Sentences Generator
And
Your saved sentences

No sentences have been saved yet

"overlain" Synonyms
covered overlaid overlayed coated blanketed overspread carpeted sheeted lapped overlapped spread mantled paved extended over veneered smeared plastered faced daubed surfaced met touched imbricated overhung overrun ridden shingled flapped over projected over extended along folded over gone beyond lapped over partly covered enshrouded cloaked shrouded hid hidden veiled clouded concealed obscured enveloped enfolded enwrapped masked swathed buried towered above dominated bestrode bestridden commanded looked down upon loomed over overlooked overtopped stood over surveyed dwarfed overshadowed towered over hung over jutted over spanned stood head and shoulders above More

1000 Sentences With "overlain"

How to use overlain in a sentence? Find typical usage patterns (collocations)/phrases/context for "overlain" and check conjugation/comparative form for "overlain". Mastering all the usages of "overlain" from sentence examples published by news publications.

type: All Declarative Interrogative Exclamative

structure: All Simple Compound Complex Compound-Complex

length: All <=10 words 10-20 words 20-30 words 30-50 words

Jupiter's x-ray aurora, overlain on a view captured by the Hubble Space Telescope.
It was overlain with the screech of a power saw cutting into metal, or a jet engine malfunctioning.
In the past year, moreover, it has been overlain by a competing idea: that China's global ambitions require a dose of anti-Americanism.
The chart below shows us the September sea ice extent between 2004 through 2012, with the 1979-2000 median extent overlain in pink.
The viewpoint she presents is of man who has fallen, overlain with the memory of images of those who jumped to their deaths.
Water is common in the Kuiper belt, and Pluto in particular is thought to consist of a rocky core overlain by a thick mantle of ice.
This system is called an overlay journal (in that the editing and journal gatekeeping is overlain on top of preprints), and it already exists to a small extent.
By his telling, it took years for his quintet, Phalanx Ambassadors, to master the shifting time signatures, oddly overlain harmonies and dyspeptic, misdirected melodies that define its debut album.
A composite shot of Europa, overlain on Hubble data taken on March 17th, 2014, the image marks some of the best evidence yet for erupting plumes of liquid water on Jupiter's icy moon.
These influences are overlain with her admiration for artist Paul Thek (1933-1988) and his 2010-2011 retrospective, Diver, curated by Elisabeth Sussman and Lynn Zelevansky at the Whitney Museum's former Madison Avenue location.
" Watching his shows, Mr. Cavett said, "the odd sensation about it is there I am sitting with Lucille Ball or someone like that, and it is overlain by the thought 'One of us is dead.
It is a portrait of a copper-colored nude with eyes closed in meditation, with the white backdrop and the woman's long, dark hair overlain with Millay verses painted the same copper color as t her skin.
Google Earth image of Cape Sable with historic shoreline position overlain, via Erik StabenauCape Sable's troubles began in the early 20th century, when settlers cut canals to the ocean to drain the inland swamp and gain access for cattle pasture.
It is true that state energy policies are getting more ambitious and complex, capacity markets have been overlain with rule upon rule to accommodate them, and the whole interaction of federal and state energy jurisdiction around power markets probably needs a rethink.
A bit closer up, and the individual tiles reveal themselves to be vintage postcards from the first third of the 20th century — black and white photographs overlain with stylized tinted colors, each one (and there are over 500) portraying a distinct slice of idealized Americana.
A menacing, haunting presence is established from the track's first note, as the drum & bass-inspired track, overlain by a chorus of synths that sound like ghostly sneers and moans, fidgets and turns every which way like a person trying to lose an ill-intentioned band of poltergeists in a haunted house's maze-like hallways.
In the mountains it is unconformably overlain by the Sassenach, the Alexo or, rarely, the Palliser Formation. It is overlain by the Crowfoot Formation in the plains.
In the central and southern Black Hills it is overlain by the Mississippian Englewood Formation. In Alberta and Saskatchewan it is overlain by the Devonian Elk Point Group.
The Lower Siwalik is conformably overlain by the Middle Siwalik.
The Middle Siwalik is conformably overlain by the Upper Siwalik.
The Lompico Sandstone is a sedimentary rock formation of lower to middle Miocene age. It overlies the Salinian basement rocks of Santa Cruz County, California. It interfingers with and is overlain by the Miocene Monterey Formation. These are in turn overlain by the mid to upper Miocene Santa Margarita Sandstone which is in turn overlain by the upper Miocene Santa Cruz Mudstone.
The geology of Israel includes igneous and metamorphic crystalline basement rocks from the Precambrian overlain by a lengthy sequence of sedimentary rocks extending up to the Pleistocene and overlain with alluvium, sand dunes and playa deposits.
These marine formations are overlain by a continental Cretaceous and Pliocene Hamada cover.
In a few upland areas it is unconformably overlain by Paleogene gravel deposits.
It is in turn overlain by the Lohan Cura Formation, separated by another unconformity.
In ascending order, glacial deposits are overlain by Early Silurian graptolite shales, Devonian sandstones and shales and Early Carboniferous deltaic sandstones. A coal bearing layer, likely tied to a marine transgression is overlain by shales and limestones, which contain coral and conodont fossils.
The approximately thick Barzalosa Formation overlies the Olini Group and the Seca Formation in the west and is overlain by the Honda Group. In the east towards Fusagasugá, the formation overlies the La Tabla Formation and is overlain by the Carmen de Apicalá Conglomerate.
The gold veins lace this ancient arc, remobilized by Mesozoic shearing and intrusions of igneous rock. The crystalline foothills are locally overlain by a Cenozoic sequence of Eocene clean beach sands overlain by Neogene volcanics, including the Diamond Head-like profile of "Table Mountain".
This is overlain gradationally by ripple-laminated sandstone that is commonly bioturbated and contains mud drapes.
Older Miocene and Pliocene crystalline limestone is overlain by the Pleistocene Ironshore Formation reef limestone and calcarenite.
Locally the White Jurassic is overlain with a large stratigraphic hiatus of the Regensburg Green Sandstone (Cenomanian).
The formation conformably overlies the Perdrix Formation or, in the Crows Nest Pass area, the Borsato Formation. It is overlain by Sassenach Formation. It is laterally equivalent to the reefal carbonate rocks of the Southesk Formation, and in some areas it interfingers with or is overlain by the Southesk.
110 In certain places, the batholith is overlain by the El Vergel Beds, alluvium and other Quaternary deposits.
Sides overlain with dark irregular marks, with some more or less joining together to form uneven vertical bands.
Thickness is . The formation rests conformably on the Sandia Formation and is disconformably overlain by the Alamitos Formation.
Kennedy and Moore (1971) describe a stratigraphy of up to three geologic formations, Stadium Conglomerate, Mission Valley Formation, and the later named Pomerado Conglomerate. The basal unit is the Stadium Conglomerate. The Stadium Conglomerate is overlain by the Mission Valley Formation. The Mission Valley Formation is overlain by the Pomerado Conglomerate.
The geology of Newmarket Hill is that of a bedrock of upper chalk, partially overlain by clay-with-flints.
Here, the upper mudstone of the TST is erosively overlain by 3 m of bioturbated, clayey sandstone and mudstone.
The Blairmore Group unconformably overlies the Kootenay Group and is gradationally overlain by the Crowsnest Formation or, where the Crowsnest Formation is absent, is disconformably overlain by the Alberta Group. It is equivalent to the Luscar Group north of the Clearwater River and to the Mannville Group in the plains to the east.
Upper Goru is a massive shale and was deposited during Late Cretaceous. It is overlain by Parh Limestone, Mughalkot (limestone interbedded with shale) and Pab Sandstone Formations, deposited during Late Cretaceous. Deccan volcanics of the Paleocene overlie the Cretaceous Pab Sandstone. These are overlain by Ranikot Formation (majorly sandstone), also Paleocene in age.
The Kilimli is composed of sandstone and carbonaceous sandstone. The Kilimli is unconformably overlain by the sandy limestone of the Cemaller Formation. The unconformity lasts at least 6.5 Ma and the Zonguldak basin experiences continuous deposition from the Turonian – Campanian. The Cemaller is overlain by the siltstone and limestone of the Baþköy Formation.
The geology of Yemen includes extremely ancient Precambrian igneous and metamorphic crystalline basement rocks overlain by sediments from the Paleozoic, Mesozoic and Cenozoic, deposited in shallow seas and lakebeds, overlain by thick volcanic rocks and loess. Erosion has played a major role in Yemen's geologic history and eliminated many rock units over time.
The Niobrara Formation is overlain by the marine Pierre Shale and is underlain by the Carlile Shale or Benton Shale.
Dorsal skin is granular- rugose and overlain with shagreen. Dorsal coloration is uniform or rarely blotched but without distinctive colors.
The basal, coarse layer of a varve is commonly overlain by microlaminared silt and clay, reflecting variable streamflow during summer.
The weathered rock beds are further overlain by transported soil, calcareous sandstone and thin bed of coarse grained conglomerate. The top of these strata are overlain by marine soil layer up to 9m thick consisting of dark brown clay silt with some fine sand overlying weathered, dark brown basaltic boulders embedded in the silt.
The type locality designated by Popov is a small outcrop located east of Trinidad, on the highway linking Trinidad and Banao. The youngest lithostratigraphic unit overlain by Lagunitas is the Oligocene Las Cuevas Formation in the type section. Lagunitas is in turn overlain by the Middle Miocene Güines Formation and younger sediments.MacPhee et al.
In the Semmering area of Austria, where the name Wettersteindolomit is used, the formation is unconformably overlain by the Kapellener Shale and overlies the Reifling Formation, in the Kalkkögel and Radstadt Tauern the dolomite overlies the Partnach Formation and is overlain by the Raibl Formation, while in Tyrol the formation, called Wettersteinkalk/dolomit unconformably overlies the Gutenstein and Steinalm Formations and unconformably underlies the Reingraben Formation. In the Aggtelek-Rudabánya mountains of Hungary, the formation, called Wetterstein Limestone Formation overlies the Reifling and Steinalm Formations and is overlain by the Szádvárborsa Formation.
Faraday has overlain and damaged the western rim, and this crater in turn has been overlain by several smaller craters. LRO image The rim of Stöfler is worn and eroded, but the outline remains relatively intact except where overlain by Faraday. The smaller Stöfler K intrudes into the northwestern rim, and Stöfler F forms an indentation into the base of the southwestern interior wall. The crater floor has been filled in with deposits, either from lava flows or ejecta from basin impacts, and is relatively flat and featureless in the northwest half.
The Slave Point Formation is unconformably overlain by the Beaverhill Lake Group or Waterways Formation in northern Alberta and by the Otter Park Member or Muskwa Member of the Horn River Formation in north-eastern British Columbia. It conformably overlays the Fort Vermilion Formation (or is unconformably overlain by the Watt Mountain Formation) in northern Alberta and it is conformably overlain by the Sulphur Point Formation or Presqu'ile Formation in north-eastern British Columbia. It is equivalent to the lower Swan Hills Formation and partly to the Livock River Formation.
The Lower Karoo corresponds to the lower portion of the Karoo Supergroup sequence. The basal unit comprises glacial tillites, being the Dwyka Formation in the Mid-Zambezi Basin, Basal Beds in the Limpopo basins and Kondo Pools Formation in the Mana Pools and Cabora Bassa Basins. These are overlain in the Mid-Zambezi by the Wankie sandstones and coal and the Madumabisa Mudstone It is overlain and overstepped by the Upper Karoo Group. In the Mana Pools and Cabora Bassa Basins, the Kondo Pools Formation is overlain by the Mkanga Formation sandstone and mudstones.
White Island consists of two Pleistocene shield volcanoes overlain by volcanic cones. The last known eruption occurred 0.17 million years ago.
It is overlain by the Glen Rose Formation. It is the lateral equivalent of the lower part of the Antlers Formation.
Leven, 1998, p.302 The open marine limestones of the formation reach a thickness of in the Julfa section of northwestern Iran. In Iran, the formation overlies the Dorud Formation and is overlain by the Khachik Formation, while in Armenia the formation rests on top of the Asni Formation and is overlain by the Arpa Formation.Leven, 1998, p.
138 The locks were built on a foundation of 12 inch x 12 inch timbers, spaced about a foot apart, laid longitudinally below the walls, overlain by traverse timbers, also 12 inch x 12 inch. These in turn were overlain with 3-inch planks, with the masonry placed upon them. All timbers were intended to be permanently wet.Davies, p.
The Eastend Formation is conformably overlain by the Whitemud Formation and gradually overlies the Bearpaw Formation. In the Frenchman River valley, the Eastend Formation is erosionally overlain by the Frenchman Formation. It is equivalent to St. Mary River Formation and Horseshoe Canyon Formation in southern Alberta, as well as the Fox Hills Formation in Montana and North Dakota.
It is generally overlain either by the Reading Formation or the Woolwich Formation, but locally in north and east Kent it is overlain unconformably by the Harwich Formation. It forms the lowermost part of the Lambeth Group. The type section is at Lower Upnor Pit, north Kent. The formation has provided fossils of the eutherian mammal Arctocyonides arenae.
In addition, the front edge of the wing is covered with a group of feathers called the marginal coverts. Within each group of wing coverts, the rows of feathers overlap each other like roof tiles (the greater coverts are overlain by the median coverts, which in turn are overlain by the outermost row of lesser coverts, and so on).
It is underlain by Upper Permian beds of the Schuchert Dal Formation and overlain by Rhaetian beds of the Kap Stewart Group.
The bedrock consists of Triassic limestones and sandstones, overlain by a thick layer of more recent alluvial sediments, predominately sand and clay.
The El Peñón Formation, part of the Villeta Group, conformably overlies the Trincheras Formation and is conformably overlain by the Capotes Formation.
In the Campine Basin the Houthem Formation is overlain by the Paleocene Opglabbeek Formation (clay and sand) and the Heers Formation (marl).
It lies unconformably on the Bliss FormationDrewes 1991 or the Coronado Sandstone and is overlain by the Montoya Group or Portal Formation.
The Stony Mountain Formation is slightly unconformably overlain by the Stonewall Formation and sharply overlays the Red River Formation or the Herald Formation.
The Sierra de Lema consists of an igneous- metamorphic basement overlain by Precambrian sedimentary rocks of the Roraima Group, with Mesozoic diabase intrusions.
The sulfide ore occurs at the same stratigraphic level as the Lower and Upper pillow lava contact, and is overlain by unmineralised lavas.
The Mitchell Settlement Formation is gradationally overlain by the Jacquet River Formation, which underlies a large area in the Jacquet River drainage basin.
It is overlain by the Lealt Shale which consists of a lower and an upper grey shale (respectively the Kildonnan and Lonfearn members) separated by a thin band of algal limestone. The shale is overlain by the thicker Valtos Sandstone which contains concretions. It is found along the east coast northwards from Poll nam Parlan and around the northern end and down the eastern side of the Bay of Laig. This in turn is overlain by the bivalve-rich limestone and shale of the Duntulm Formation and lastly the dark shales and ostracod-bearing limestones of the Kilmaluag Formation.
The Maria Farinha Formation crops out in the Parnaíba Basin in the northeastern state of Pernambuco of Brazil. The formation registers the Cretaceous-Paleogene boundary at the base of the formation, where it overlies the Maastrichtian Gramame Formation. The thick formation is overlain by the Eocene Tambaba Formation which is overlain by the Plio-Pleistocene Barreiras Formation.Ribeiro de Santana et al.
Oblique Lunar Orbiter 5 image Minnaert is a large lunar impact crater that is located on the far side of the Moon, deep in the southern hemisphere. It is partly overlain along the southeastern side by the larger and younger crater Antoniadi. To the west-northwest lies Lyman. Nearly half the crater is overlain by the rim, outer rampart, and ejecta from Antoniadi.
The Ma Butte Formation is also known as the Mill Creek Formation. It disconformably overlies the Beaver Mines Formation. It is conformably overlain by the Crowsnest Formation in the south and the contact between the two is gradational. It is disconformably overlain by the Blackstone Formation in the north, and it is correlative with the Bow Island Formation to the east.
The Baldonnel Formation is the middle member of the Schooler Creek Group. It is conformably overlain by the Pardonet Formation limestone and siltstone or unconformably overlain by the Fernie Formation shale. North of the Williston Lake it overlies the dolomite beds of the Charlie Lake Formation. It is equivalent to the upper parts of the McLearn Formation and Ludington Formation.
The eroded outer wall of Hommel is overlain and incised by a number of smaller but still sizeable craters. Hommel C overlays the western rim and Hommel A the north. Intruding into the rim are Hommel H to the northwest, Hommel B in the east, and Hommel P along the southern wall. These craters are in turn overlain by smaller craterlets.
The Stonewall Formation is overlain by the Interlake Group (conformably in the south, disconformably in the north) and sharply overlays the Stony Mountain Formation.
It is overlain by the Westbury Formation of the Penarth Group which represents widespread inundation of the Triassic basins as global sea levels rose.
Calcareous shales from the Canberra Formation are overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains".
The less resistant rocks eroded faster, retreating until the point they were overlain by more resistant rock resulting in the cuestas characteristic of scarplands.
The Zambales Mountains include Jurassic to Miocene ophiolite massifs, overlain by more recent sedimentary formation, including the Cagaluan Formation and the Santa Cruz Formation.
Orthoimagery that included natural-color and color-infrared, along with DEM derived slope and hypsography could be overlain onto the terrain model at will.
The next layer is massive, reddish-grey silt with diffused organics, overlain by an interval of varicoloured, deformed and stratified silt and medium sand.
Geologically the valley is characterised by depositions of bunter sandstone, which is overlain in places by marsh from the Cenozoic. Occasionally, black peat occurs here.
The Bronze Age structures are overlain with sterile sand, suggesting a break in occupation prior to the next phase of building.Armit (2003) pp. 29, 39.
Near the summit, the uppermost palagonites are overlain by massive cinders and bombs from fire-fountaining that preceded the filling of the crater with lava.
The Kotaneelee Formation is gradually overlain by the Wapiti Group and conformably overlays the Dunvegan Formation. It is equivalent to the Wapiabi Formation in Alberta.
The Monach Formation is part of the Minnes Group. It was deposited conformably on the Beattie Peaks Formation and is conformably overlain by the Bickford Formation, both of which also belong to the Minnes Group. To the east where it was removed by erosion, the Monach Formation is unconformably overlain by the Cadomin Formation. To the south it grades into the Gorman Creek Formation.
Middle Miocene (15 Ma) The Goliad Formation was described by Plummer in 1933,Baskin & Hulbert, 2008, p.94 as consisting of three members; the Lapara Sand, overlain by the Lagarto Creek Beds, in turn overlain by the Labahia Beds with outcrop thicknesses ranging from . The Goliad Formation comprises claystone, sand, sandstone, marl, caliche, limestone, and conglomerates and reaches in certain areas a thickness of .Page et al.
Jupiter's moons Io, Europa, and Ganymede have silicate mantles; Io's ~1100 km silicate mantle is overlain by a volcanic crust, Ganymede's ~1315 km thick silicate mantle is overlain by ~835 km of ice, and Europa's ~1165 km silicate mantle is overlain by ~85 km of ice and possibly liquid water. The silicate mantle of the Earth's moon is approximately 1300–1400 km thick, and is the source of mare basalts. The lunar mantle might possibly be exposed in the South Pole- Aitken basin or the Crisium basin. The lunar mantle contains a seismic discontinuity at ~500 km depth, most likely related to a change in composition.
It overlays sections of the Highland Ridge Trail and the Volvon Loop Trail. Part of it is overlain by the Diablo Trail which Walker helped create.
The Big Snowy Group is unconformably overlain by the Tyler Formation in Montana, and by the Watrous Formation in Saskatchewan; It disconformably overlays the Madison Group.
The Fort St. John Group is conformably overlain by the Dunvegan Formation and conformably underlain by the Bullhead Group or may rest disconformably on older units.
The oldest rocks date to the Middle Eocene and include basalts overlain by turbidite deposits. During the Oligocene and Miocene, these rocks were folded and faulted.
The clay sediments are locally overlain by peat deposits forming raised mires. At the base of the peat layers are the remains of a buried forest.
The crater contains a brecciated lens of granite fragments and particles of impact glass, overlain by shales, limestones and granite-derived sandstones of lower Cretaceous age.
The solid geology of the area comprises Silurian mudstone of the Borth Mudstone Formation, which are partially overlain by superficial deposits of glacial till (Devensian diamicton).
It conformably overlies the Mount Hawk Formation or the Southesk Formation, and is conformably overlain by the Sassenach Formation or the Palliser Formation, depending on the location.
In other places, especially in the west, the carse was overlain by peat bogs such as Flanders Moss, much of which has been cleared to improve agriculture.
The Calcare di Altamura overlies the Calcare di Bari, separated by an unconformity and is overlain by the Calcare di Caranna, separated by a transgressive angular unconformity.
The Tuana Gravel is overlain by a caliche, thought to have formed during a Pleistocene interglacial period, and several feet of recent soils (Richmond and others 2002).
The Lynx Group overlies the Arctomys Formation and the contact is gradational. It is overlain by the Survey Peak Formation and the contact is concordant but abrupt.
The Tunnel Mountain Formation is present in the front ranges of the Canadian Rockies of western Alberta, and reaches a maximum thickness of about 200 metres (600 ft). It unconformably overlies the Etherington Formation or the Todhunter Formation of the Mississippian Rundle Group, and is conformably overlain by the Late Pennsylvanian Kananaskis Formation. In areas where the Kananaskis is not present, it is unconformably overlain by the Permian Ishbel Group.
Middle Jurassic overlain this deposits, being mostly a series of cherty Marlstone containing the genus Posidonomya and several types of Radiolaria. The Late Jurassic strata is vanished locally, with the Cretaceous sedimentation starting with several continental beds with Bauxite and accompanying Laterites. Finally, on the Tertiary, the Lower Eocene continental clay and bauxite are overlain by gray carbonaceous clay and sandstone, with the and Jurassic beds and manganiferous beds eroded.
The outer glacis of Ganswindt covers nearly half the interior floor of Idel'son, reaching to the midpoint. The remainder of the interior and rim of the crater has been partly overlain by ejecta, producing a rounded, lumpy surface. Still the surviving outer rim remains distinct, and is not overlain by any other impacts of note. The largest impact within the interior is a tiny crater next to the southeastern inner wall.
The New Oxford Formation is overlain by the Gettysburg Formation in Frederick County, Maryland and in Adams, Cumberland, Lancaster, and York Counties in Pennsylvania. In all other areas to the northeast in Pennsylvania the New Oxford Formation is overlain by the Hammer Creek Formation.Wood, C. R., 1980, Groundwater resources of the Gettysburg and Hammer Creek Formations, southeastern Pennsylvania: Pennsylvania Geological Survey, 4th ser., Water Resource Report 49, 87 p.
The Chalk is overlain unconformably by the clays and sands of the Reading Formation, which were deposited during the Palaeocene, the earliest part of the Palaeogene period. These rocks outcrop between Woodgreen and Redlynch. The formation forms a part of the Lambeth Group. This formation is in turn overlain by the London Clay Formation, the outcrop of which can be traced from the Fordingbridge area via Redlynch northeast to Whiteparish.
The Capital Formation consists of compact, massive, light grey to white limestone with minor dolomite. Its total thickness is .King 1948 On the backreef side of the formation, the Capitan rests on the Goat Seep Dolomite and grades into and is overlain by the Artesia Group, while on the basin side, the Capitan rests on the Delaware Mountain Group and is overlain by the Castile Formation.Kues 2006, p.
The Whitemud Formation is part of the Edmonton Group. It rests conformably on the Eastend Formation in Saskatchewan and in the Cypress Hills area; on the Horseshoe Canyon Formation in the Drumheller area; and on the St. Mary River Formation in the Oldman River area. In southeastern Saskatchewan it is unconformably overlain by the Frenchman Formation; and in all other areas it is conformably overlain by the Battle Formation.
17 The formation is the uppermost unit in the traditional Orthoceras Limestone of Sweden, overlying the Seby Limestone and the Folkesunda Limestone is overlain by the Furudal Limestone.
The formation overlies the Silica Beds unit and is overlain by the Blaubok Conglomerate.Dauteuil et al., 2018, p.6 The Langental Formation provides many fossil invertebrates and fish.
This unit is overlain by the Ashgill Boas River Formation carbonaceous mudstone and oil shale, Churchill River Formation coral-bearing wackestone and the Sixteen Mile Brook oil shale.
Though appearing to be the remnant of a volcanic neck, it is now believed to be a tilted and eroded piece of rock overlain by a lava flow.
Turret 47B (Gap) () was also located by exploratory excavation in 1912.TURRET 47B, Pastscape, retrieved 3 December 2013 The site is now overlain by a house and garden.
The Vanguard Formation is unconformably overlain by the Mannville Group and disconformably overlays the Shaunavon Formation. It is equivalent to the Ellis Group in Montana and North Dakota.
US 321/SR 159 in Vilas, NC SR 159, overlain by US 321, traverses along the banks of Watauga Lake. It is a curvy two-lane mountain highway.
Sembar is overlain by Goru Formation. Goru is subdivided into Lower and Upper Goru. Lower Goru is sandy onshore and a proven reservoir. Offshore, however, it shales out.
These clay sediments are locally overlain by peat deposits forming raised mires. At the base of the peat layers can be found the remains of a buried forest.
It is overlain by the Atrasado Formation, with the contact placed at the base of a sandstone interval above the uppermost massive limestone of the Gray Mesa Formation.
It is divided into a lower Brathay Formation which is overlain by the Birk Riggs Formation (not present in the Howgills) and then by an upper Coldwell Formation.
The Qiongzhusian age is a regional subdivision (in China) of Cambrian Series 2 Stage 3; it is correlated with late Atdabanian rocks elsewhere and overlain by the Canglangpuian age.
517-607 The formation that reaches a thickness of about ,Tofalo et al., 2011, p.616 overlies the Guichón Formation and is overlain by the Asencio Formation.Tofalo et al.
The Muskwa Formation is a sub-unit of the Horn River Formation; it is conformably overlain by the Fort Simpson Formation and conformably underlain by the Otter Park Member.
The Tamiami formation overlies the Hawthorn at every locality where the Hawthorn has been penetrated and is overlain unconformably by the Caloosahatchee marl of the Pliocene in Charlotte County.
The pluton is overlain by sediments of the younger Huronian Supergroup. Chlorite trondhjemite of the Iceland Lake Pluton is exposed along the Lake Temagami Access Road and Iceland Lake.
They have a cream coloured body, overlain with dark mottling and a brown head. The species overwinters as a mid instar larva. Pupation takes place in May or June.
Narooma Chert from Australia Rock, Narooma From the stratigraphic point of view the terrane comprises the Wagonga Group. This consists of the Narooma Chert overlain by the Bogolo Formation.
The Grosmont Formation is conformably overlain by the Nisku Formation of the Winterburn Group or by a thin part of the Ireton Formation (to which it is equivalent in the south). It conformably overlays the Ireton Formation or Duvernay Formation. At the subcrop edge at its northeastern limit it is unconformably overlain by the McMurray Formation of the Mannville Group. The lower Grosmont is equivalent to the Mikkwa Formation in northern Alberta.
15 In this part, the formation is overlain by the Río Negro and Tibú-Mercedes Formations. In the central area at the type locality in the Lebrija River valley, the formation unconformably overlies the Bocas Formation and is overlain by the Tambor Formation. On the Mesa de Los Santos and the Bucaramanga Massif, the formation overlies the Jordán Formation with an angular unconformity dipping 10 to 15°.Ayala et al., 2005, p.
Meeting SR 48 at the community of Nunnelly, it is overlain by 48 until the junction with SR 100 junction in eastern Centerville. From there it is overlain by SR 100 until just west of Lyles where it splits from SR 100, again running south and through the small community of Littlelot. This portion of the highway is known as Littlelot Road. Just south of Littlelot is the eastern terminus along SR 50.
Terlingua stratigraphic column - Buda Limestone The Buda Limestone is a dense white to yellow sparry limestone with numerous calcite veins that weathers to yellowish or pinkish due to its iron content. In far western Texas, the formation overlies the Del Rio Formation and is in turn overlain by the Eagle Ford Group. The total thickness is about . In trans-Pecos Texas, the formation rests on the Grayson Formation and is overlain by the Boquillas Formation.
The formation overlies the Lytle Formation and is overlain by the Glancairn Formation and comprises resistant, brown-weathered sandstones, and dark shales and siilstones, also described as bioturbated brownish sandstones with black and grey silty or shaley sandstone intervals. The formation was deposited in a variety of near-shore and/or marginal marine environments. The tracks occur in the upper part of an estuarine point bar sequence, overlain by brackish bay or lagoon deposits.
R. Soc. Vict., 53, 1-125. These include the underlying Silurian rock known as the Fyansford formation above which is the 15 m thick darker Beaumaris Sandstone, overlain by yellowish Red Bluff Sandstone, as outcrops in the cliffs, ferruginised, with hard ironstone in the upper sections, extending to the platform, and as small reefs parallel to the coastline. A thin calcareous sandstone is overlain by fine sandy marl and sandstone with calcareous concretions.
The base rocks in the Kazan Region are Precambrian crystalline rocks such as gneisses, quartzites and granites. In the eastern part of the Kazan Region these are the predominate rocks. In the western portion the Precambian rocks are overlain by Paleozoic and Cretaceous sediments, many of which have been metamorphosed. In both east and west these rocks are in turn overlain in places by alluvial and lacustrian deposits, as well as glacial deposits.
The only exception is gneiss overlain by metasedimentary and metavolcanic rocks in the southeast, which were recrystallized and metamorphosed during 1.42 billion year old orogeny. A major anorthosite- adamellite pluton intrudes the province. South of the Davis Inlet, the Hopedale Gneiss is the defining rock unit. Nain Archean gneiss is overlain to the north of the community of Nain, Newfoundland and Labrador by the undeformed Ramah Group shale, sandstone and quartzite from the Aphebian.
The Glenshirra Subgroup is the lowermost (oldest) part of the succession. These rocks reflect deposition within shallow marine and fluvial environments. It is overlain by the thick sequence of proximal and distal turbidites of the Corrieyairack Subgroup which is in turn overlain by the Glen Spean Subgroup reflective of the infilling of the Corrieyairack, Strath Tummel and Cromdale depositional basins. The Bowmore Sandstone of the Highland Border Complex is correlated with the Corrieyairack Subgroup.
Diabase dikes, gabbro and serpentinite are also common. In Uzbekistan's paleo- rift zone, volcanic rocks and gabbro are up to thick, dropping to around the edges of the zone. The Karakum-Tajik microcontinent's other two zones cold high-temperature, but low-pressure metamorphic ophiolite complexes, overlain by Ordovician and Silurian flysch, tuff, andesite lava and shallow-water sandstone. In turn, these units are overlain by a thick carbonate sequence up to thick.
During the Triassic, a major marine transgression flooded Thailand. Conglomerate is common at the base of units from this time period, overlain by limestone that thickens to the westward. East of Chiang Mai, the Lampang Group has marine shale, sandstone, limestone and conglomerate three kilometers thick, overlain by an additional two kilometers of flysch. Geologists have interpreted it as shallow-water deposition in a forearc basin over a west- dipping subduction zone.
Maximum recorded length , commonly . Light brown to tan over body and head and generally lighter below the lateral line with the belly even lighter. Base colour overlain by medium to large darker, uneven blotches mostly joining together to form irregular bands, sometimes also overlain with a shading of tiny, closely packed dark grey spots. Occasionally very small black bars are present mixed in with the blotches and spots around the mid body.
Later, a locally preserved lower member (ferruginous unit and weathered zone) that unconformably overlies the Cardenas Basalt and is unconformably overlain by the upper member of the Nankoweap - was recognized.
The Szekou Formation is a light bluish gray siltstone, with shale and fine grained sandstone. The Maanshan Formation is very similar. It is overlain by Hengchun Limestone and may interfinger.
The geology of the U.S. Virgin Islands includes mafic volcanic rocks, with complex mineralogy that first began to erupt in the Mesozoic overlain and interspersed with carbonate and conglomerate units.
The solid geology of Baptist Mills comprises Triassic Redcliffe Sandstone, which is overlain by superficial deposits of Quaternary alluvium in the floodplain of the Horfield Brook and the River Frome.
The Schooler Creek Group is unconformably overlain by the Fernie shale, or by the Bullhead or Fort St. John Group. It conformably overlies the Toad Formation or the Doig Formation.
The Schistes et Grès Carteret are a series of phosphatic and glauconitic Tommotian siliciclastics exposed in Normandy, France. They overlie Precambrian conglomerates and are overlain by the Calcaires de Laize.
The Cooper Basin is located in South West Queensland and is partly overlain by the Eromanga Basin. It contains some most important on-shore petroleum and natural gas deposits in Australia.
It overlaps the Keres Group to the south and has a maximum thickness of about . It overlies the Abiquiu Formation and Santa Fe Group and is overlain by the Tewa Group.
The Aquia formation is overlain by the Nanjemoy Formation and overlies the Brightseat Formation. The Aquia formation is broken down into two members: the lower Piscataway member and upper Paspotansa member.
Azapa Formation () is a geological formation in northern Chile made up of gravels of fluvial origin. It is conformably overlain by Oxaya Formation. Azapa Formation is deformed by the Oxaya anticline.
The Floresta Formation overlies the El Tíbet Formation and is overlain by the Cuche Formation. The age has been estimated to be Late Emsian to Early Givetian.Morzadec et al., 2015, p.
It is located in Cassini Regio at . The rim has a scarp about 15 km high that generated a landslide. It is overlain by Malun, the 13th-largest crater on Iapetus.
The third, the Bethelsdorp Member, resembles the Colchester in containing dark-grey shales and sandstone, and contains marine microfossils. The upper section of the member is overlain by mudstone and siltstone.
Geologists divide the freshwater deposits into Oligocene and Miocene conglomerates, coal seams, sandstone, limestone and marl, early Miocene clays and sandstone overlain by limestone, and late Miocene marl, limestone and coal.
The Mist Mountain Formation is the middle unit of the Kootenay Group. It rests conformably on the cliff-forming sandstones of the Moose Mountain Member of the Morrissey Formation, and is conformably overlain by the Elk Formation. In the eastern foothills, the Elk Formation has been removed by erosion and the Mist Mountain Formation is unconformably overlain by the Cadomin Formation. North of the North Saskatchewan River, the Mist Mountain Formation grades into the Nikanassin Formation.
It is overlain by of lacustrine deposits called the Fall River beds. The Fall River beds are capped by of tholeiitic basalt flows which are most visible as part of the geology of the Pocumtuck Ridge to the north. The basalts are overlain by a black siltstone to conglomerate called the Turners Falls Sandstone and Mt. Toby Conglomerate. Mount Toby, the type locality for the Mt. Toby Conglomerate, can be seen directly across the Connecticut River from Sugarloaf Mountain.
The Organ Rock Formation is conformably underlain by the Cedar Mesa Sandstone. It is conformably overlain by the De Chelly Sandstone around Monument Valley and by the White Rim Sandstone in the Canyonlands National Park. In locations where the De Chelly and White Rim are absent, the Organ Rock is unconformably overlain by the Triassic Moenkopi or Chinle Formations by an erosional contact. Toward its eastern extent, the Organ Rock Formation grades into the Cutler Formation, undivided.
The rock strata at Boho Caves date from the Asbian substage of the Carboniferous period, estimated to be around 325 million years old. The rock sequence exposed at Boho consists of the Glencar Limestone Formation which is overlain by the Dartry Limestone Formation, composed of cherty limestones and limestones and shales of the Carn Limestone Member. The Dartry Limestone is, in turn, overlain by the Meenymore Formation and the Glenade Sandstone. The caves are formed within the Dartry Limestone.
There are important exposures of rocks of the lower and middle Jurassic Periods. The lowest part of the exposure consists of Cotswold Sand Formation which is overlain by the 'Cephalopod bed'. The 'Cephalopod bed' exposure is relatively thick and contains valuable fossil molluscs ammonites. The 'Cephalopod bed' is overlain by the 'scissum' beds (Leckhampton Limestone) of the Middle Jurassic, Aalenian Stage. The upper exposure consists of lower Inferior Oolite (Fiddler’s Elbow Limestone and Frocester Hill Oolite).
The Rosablanca Formation overlies the Arcabuco Formation and is overlain by the Ritoque Formation. The age has been estimated to be Valanginian. Stratigraphically, the formation is time equivalent with the Macanal Formation.
These rocks were folded by two orogeny mountain building events --the Hercynian orogeny, and Caledonian Orogeny. Paleozoic basement rocks cover much of the country and are overlain by Mesozoic and Cenozoic sediments.
The formation is overlain by the Howard Nunataks Formation of the Crashsite Group.Curtis & Lomas, 1999, p.65 The formation reaches a thickness of in the south of its extent.Webers & Splettstoesser, 2007, p.
The Three Forks Group conformably overlies the Saskatchewan Group and is disconformably overlain by the Madison Group. It is equivalent to the sum of the Wabamun Group and Exshaw Formation in Alberta.
This principle is useful in some contexts but in others, like certain parts of Sweden where grus is formed from Precambrian rocks and overlain by Quaternary deposits, it is of little value.
This is overlain by sand and very fine gravel deposited by outwash during a brief period when the Thames was blocked by ice. The site is private land with no public access.
The Basal Reef, is the most common reef horizon. It varies from a single pebble lag to channels of more than 2m thick. It is commonly overlain by shale, which thickens northwards.
Little is known about Precambrian units due to poor outcrop exposure and poor well- control. Precambrian rocks consist of quartzite, schist, and granite, and rocks are overlain unconformably by younger Paleozoic units.
Montney Formation is unconformably overlain by Jurassic or Cretaceous beds such as the Doig Formation or Fernie Group and unconformably underlain by the Permian or Carboniferous strata such as the Belloy Formation.
The formation rests on top of the Santiago and San Ricardo Formations, and is overlain by the Campanian to Maastrichtian Ocozocoautla Formation. The thickness of a composite section of the formation amounts to .
More specifically they are usually found over substrates of sand or clay overlain with silt and organic debris, and are often associated with submerged aquatic vegetation, hydrophytes, and overhanging vegetation along undercut banks.
Belonging to the rigid Shan-Thai block, the Shan Plateau is composed of consolidated partially low-grade metamorphic and Precambrian crystalline rocks overlain with a thick succession of Palaeozoic and Mesozoic sedimentary rocks.
The geology of Brazil includes very ancient craton basement rock from the Precambrian overlain by sedimentary rocks and intruded by igneous activity, as well as impacted by the rifting of the Atlantic Ocean.
The geology of South Korea includes rocks dating to the Archean and two large massifs of metamorphic rock as the crystalline basement, overlain by thick sedimentary sequences, younger metamorphic rocks and volcanic deposits.
The Holder Formation consists of limestone, red and gray calcareous shale, sandstone, and conglomerate. The maximum thickness is . The formation overlies the Beeman Formation and is overlain by the Laborcita Formation.Kues et al.
The Floresta Massif is a block in the northern part of the Altiplano Cundiboyacense, marked by a metamorphic crystalline core overlain by Devonian to Carboniferous sedimentary sequences; from old to young, the El Tíbet, Floresta and Cuche Formations. The Paleozoic succession is overlain by sediments of much younger date; the Late Jurassic Girón and Early Cretaceous Tibasosa Formations. The massif is bound to the east by the Soapaga Fault and to the west by the Boyacá Fault.Mojica & Villarroel, 1984, p.
During the Ordovician, the 650 foot thick Knox Dolomite, Stones River Group and Nashville Group sediments formed in the shallow marine platform environment of the Black Warrior Basin. Shale, limestone and undifferentiated sediments comprise the Wayne Group and Brownsport Formation from the Silurian, overlain by Devonian chert and the Chattanooga shale. Some Devonian rocks contain trilobite fossils. A number of different formations took shape during the Carboniferous, including the Floyd Shale, intermixed with several different sandstone layers and overlain by the Pottsville Formation.
They are overlain by unmetamorphosed carbonates from the late Silurian through the middle Devonian, with an angular unconformity at the base. Another angular unconformity above separates these rocks from volcanic and continental sedimentary rocks, with thick conglomerate at the base, ascending to pebbly limestone and metamorphic rocks. The upper unit is a thick cooled lava and tuff overlain by sandstone, conglomerate and Carboniferous plant remnants. The tectonic zone to the north has greater meta-pelagic rock presence and rare fossils from the Cambrian.
The 24 meter Beduh Shale Formation deposited in the Werfenian, overlying the 200 meter Mirga Mir Limestone. It is overlain by the Anisian and Ladinian age Geli Khana Formation up to 575 meters thick. These units deposited owing to rapid subsidence with the pull-apart of the crust and separation of the Iranian Plate. The 36 meter Baluti Shale Formation formed in the Rhaetic, overlain by the 834 meter Carnian-Norian Kurrah Chine Formation and Liassic 303 meter Sarki Formation.
The Morrissey Formation abruptly but conformably overlies the "Passage Beds" at the top of the Fernie Formation, and is in turn abruptly but conformably overlain by the Mist Mountain Formation. To the north in the vicinity of the North Saskatchewan River it interfingers with and grades into the Nikanassin Formation. To the east it was truncated by pre-Aptian erosion and is unconformably overlain by the Cadomin Formation. Its correlation south of the Canada-United States border in Montana is uncertain.
The Chicxulub impactor produced the Chicxulub crater and subsequent carbonate-debris breccia, which became the oil reservoir for the fields around Villahermosa and the Bay of Campeche where the Cantarell Complex is located.Barton, R., Bird, K., Hernandez, J.G., Grajales-Nishimura, J.M., Murillo-Muneton, G., Herber, B., Weimer, P., Koeberl, C., Neumaier, M., Schenk, O., Stark, J., 2010, High Impact Reservoirs, Oilfield Review, Houston: Schlumberger, pp. 14-29 The porosity is 8%-12% in the reservoir at a depth of about 1500 m, which grades from being coarse-grained to fine-grained, called Unit 1 and 2 respectively, and overlain by a seal of shaly ejecta-rich layer called Unit 3. Following impact, the carbonate platform collapsed, depositing the coarse breccias, which were then overlain mixed and overlain by finer breccias from the consequent tsunamis.
The floor is flat and devoid of significant features, but it is overlain by ray material from Copernicus to the southwest. The rim ascends to an altitude of 0.4 km above the lunar mare.
Cliff beside the Raut River The geology of Moldova encompasses basement rocks from the Precambrian dating back more than 2.5 billion years, overlain by thick sequences of Proterozoic, Paleozoic, Mesozoic and Cenozoic sedimentary rocks.
The Bogotá Formation, with a thickness of close to Tunja to near Bogotá,Bayona et al., 2013, p.8Guerrero Uscátegui, 1992, p.5 overlies the Cacho Formation and is overlain by the Regadera Formation.
The southwest part of the floor is more irregular than the remainder of the interior, and may have been overlain by ejecta from D'Alembert or elsewhere. The northeastern floor is relatively level and featureless.
At Knowle Hill and south towards Horton Heath the London Clay is overlain by the clays and sands of Wittering Formation of the Bracklesham Group, with a small outlier capping Pylehill to the north.
The area around Tanganga geologically forms part of the Santa Marta Supergroup with main rock types metamorphic rocks as phyllites and amphibolites.Caicedo & Guarín, 2011Sáenz Reyes, 2011 The phyllites are overlain by the Ciénaga Marble.
252 The subgroup overlies the Río Limay Subgroup and is overlain by the Río Colorado Subgroup.Leanza et al., 2004, p.63 Dinosaur remains are among the fossils that have been recovered from the formation.
It is believed to be Ipswichian, dating to around 125,000 years ago, and is overlain by glacial deposits of the late Devensian Hunstanton Till. The Peddars Way and Norfolk Coast Path go through the site.
Calcareous shales from the Canberra Formation are overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains". Several fault lines pass through Turner including the inactive Acton Fault.
The Roman fort of Vindolanda is a couple of miles away to the south-east. The Roman earthwork known as the Vallum runs right past Once Brewed, adjoining and also overlain by the Military Road.
The formation overlies the marine Paraná Formation and is unconformably overlain by the Puerto Alvear,Brunetto, 2013, p.22 Hernandarías and Yupoí Formations of Early Pleistocene (Uquian and Ensenadan respectively) age.Cione et al., 2000, p.
It overlaps the Polvadera Group to the north and has a maximum thickness of about . It overlies the Santa Fe Group to the south and is overlain by the Tewa Group.Smith et al. 1969, pp.
The unit lies on the La Tuna Formation and is overlain by the Bishop Cap Formation. The formation is interpreted as resulting from deposition of rythmically alternating lime and clay in a shallow marine environment.
Geological map of the Hebridean Terrane The Hebridean Terrane is one of the terranes that form part of the Caledonian orogenic belt in northwest Scotland. Its boundary with the neighbouring Northern Highland Terrane is formed by the Moine Thrust Belt. The basement is formed by Archaean and Paleoproterozoic gneisses of the Lewisian complex, unconformably overlain by the Neoproterozoic Torridonian sediments, which in turn are unconformably overlain by a sequence of Cambro-Ordovician sediments. It formed part of the Laurentian foreland during the Caledonian continental collision.
The Stillwater Complex, by contrast, is made up of ultrabasic igneous rocks exposed at the surface in Park, Stillwater, and Sweet Grass Counties. Together, these three rock formations formed between 2.54 and 1.69 billion years ago. The Pony Group and Cherry Creek Group are overlain by the Belt Series sedimentary rocks, which deposited after a period of erosion that left a large unconformity. These shallow water rocks from the Neoproterozoic range between 35,000 and 50,000 feet thick, overlain by additional Middle Cambrian sedimentary rocks.
From San Saba north to Childress, and from Wichita Falls in the east to Big Spring in the west, the surface consists of late Paleozoic (Pennsylvanian) to early Mesozoic (Triassic) marine sediments. These strata grow younger from east to west, until they are overlain unconformably by terrigenous Ogallala sediments of Miocene and Pliocene age. These late Cenozoic deposits dominate the Texas Panhandle. The geology of west Texas is arguably the state's most complex, with a mix of exposed Cretaceous and Pennsylvanian strata, overlain by Quaternary conglomerates.
Orontius is a lunar impact crater that lies in the heavily cratered southern highlands of the Moon's near side. It was named after 16th century French mathematician Oronce Fine. It is located to the northwest of the prominent ray crater Tycho, and south and east of the large walled plain Deslandres. The eastern part of the crater is overlain by the smaller crater Huggins, which is overlain in turn on its eastern rim by the still smaller Nasireddin, the trio forming a crater chain of diminishing dimensions.
The underlying geology is chalk, which outcrops in places along the east side of the valley. The subsoil is predominantly a stiff reddish clay-with-flints; in the valley itself the chalk is overlain with alluvium.
The Ishbel Group is disnconformably overlain by the Spray River Group and unconformably overlies the Tunnel Mountain Formation and the Kananaskis Formation. It is partly equivalent to the Phosphoria Formation of Montana, Idaho, Wyoming, and Utah.
However, the chemical composition is reasonably uniform across the formation. The maximum thickness is as much as . It lies on older Tertiary intrusive rocks and is overlain and interfingers withStrangway and Simpson 1976 the Sugarlump Tuff.
The formation consists mostly of sandstone and shale, with some limestone, and siltstone.Lucas et al. 1998 It rests conformably on the U-Bar Formation and is unconformably overlain by the Cowboy Spring Formation.The total thickness is .
It is divided into a lower Raydale Dolomite Formation which is overlain by the Marsett Formation and then by an upper Penny Farm Gill Formation.Its base is everywhere an unconformity with Ordovician and Devonian rocks beneath.
Mancuso et al., 2020 The formation overlies the Tarjados Formation and is overlain by the Ischichuca Formation. The formation is exposed in the Ischigualasto Provincial Park, a World Heritage site in Argentina.Kent et al, 2014, p.
In north Guam, there are no early Miocene rocks. A period of uplift and erosion wore down the Mount Santa Rosa volcanic hills means that the Bonya limestone is overlain by the deep water Janum argillaceous limestone.
The remaining rim has been worn by smaller impacts, leaving a somewhat uneven perimeter that is overlain by some small craterlets. The interior floor is pitted by several small and tiny craterlets, and lacks a central peak.
50 In the central part it is overlain by the Rosablanca Formation. In the southernmost extent of the formation, along the road from Busbanzá to Corrales, the Girón Formation unconformably rests upon the Floresta Formation.Ulloa et al.
The cliffs in these narrow valleys are the habitat to several rare plants which prefer living in narrow cliff areas in a sub-Arctic climate. In Ontario the Rove Formation is overlain by a thick diabase cap.
It is one of the brighter features in the surroundings, which is indicative of a relatively youthful feature that has not undergone significant space weathering. The crater is not significantly eroded or overlain by craters of significance.
However, the southwestern extension of this suture is poorly understood due to poor exposure. Yangtze Block contains several Archean—Paleoproterozoic crystalline basements (e.g. Kongling Complex). The igneous rocks are unconformably overlain by weakly metamorphosed Neoproterozoic sequences (e.g.
The formation consists of coarse conglomerate, red and white sandstone, and red clay. Its total thickness is , of which is conglomerate. The formation rests unconformably on the Mesaverde Group and is overlain by the Oligocene Spears Formation.
The Virgelle Sandstone is a geologic formation overlain by the Two Medicine Formation."Geological Setting," Trexler (2001); pages 300-301. It formed from the beach sands exposed on northern and western shores of the receding Colorado Sea.
The group comprises limestones and oolites and some sandstones and shales which reach a maximum thickness of 120m in the area. It is divided into a lower Skelgill Formation which is overlain by an upper Browgill Formation.
Am., 140, 170 pp. 1975. Another marine terrace escarpment is found 7 km to the east, rising 40-80m above the coastal plain, with more late Cretaceous sediments overlain by early Tertiary conglomerates and Pliocene marine sediments.
The Caballos Formation in some parts concordantly overlies the Yaví Formation and in other parts rests unconformably on the Saldaña Formation and Ibagué Batholith.Velandia et al., 2001, p.34 The formation is overlain by the Hondita Formation.
Each group comprises psammites and pelites, that's to say sandstones and mudstones which have been subjected to low grade metamorphism. Lavas, tuffs and volcaniclastics also occur through the Southern Highland Group whilst meta-limestone and quartzites are to be found within the Argyll Group. The Southern Highland Group consists of the Pitlochry Schist Formation overlain by the Loch Katrine Volcanic (or Volcaniclastic) Formation which is in turn overlain by the Ben Ledi Grit Formation. Ben Lomond, Ben Venue and Ben Ledi are all formed from the Ben Ledi grit.
The Beaverfoot Formation is present in the western ranges of the Rocky Mountains of British Columbia and forms cliffs along the eastern wall of the Rocky Mountain Trench. It is also present in the Purcell Range west of Radium, British Columbia, and in the main ranges of the Alberta Rockies between the Clearwater and North Saskatchewan Rivers. It disconformably overlies the Mount Wilson Formation or older rocks. It is conformably overlain by the Tegart Formation in the western ranges, and unconformably overlain by the Late Devonian Cairn Formation to the east in Alberta.
The Liard Formation overlies the Toad Formation, and the contact is conformable in most areas. It is conformably overlain by the Charlie Lake Formation in the southern part of its extent. To the north in the Liard River area, it is unconformably overlain by the Garbutt Formation and Buckinghorse Formation. It is laterally equivalent to the Halfway Formation in the subsurface of the Peace River plains, and to the upper part of the Llama Member of the Sulphur Mountain Formation in the southern Canadian Rockies and their foothills.
North of the Peace River it is overlain, possibly unconformably, by the Ludington Formation, and in the Liard River area it is unconformably overlain by the Fort St. John Group. It is laterally equivalent to the Doig Formation and the upper two-thirds of the Montney Formation in the subsurface of the Peace River plains, and to part of the Llama Member of the Sulphur Mountain Formation in west-central and southwestern Alberta.Gibson, D.W. 1975. Triassic rocks of the Rocky Mountain Foothills and Front Ranges of northeastern British Columbia and west-central Alberta.
The Pyramid Erosion Surface separates the Mitschell Tillite and the Weller Coal Measures, which are overlain by the Feather Conglomerate (215 m), the Triassic Lashly Formation (520 m). The Pagoda Tillite is overlain by the MacKellar Formation (140 m) of interbedded black shales and fine sandstones, the Lower Permian Fairchild Formation (220 m) arkosic sandstone, the Upper Permian Buckley Formation (750 m), the Middle- Lower Triassic Fremouw Formation (650 m), the Upper-Middle Triassic Falla Formation (530 m), and the Jurassic Prebble Formation (0-460 m) volcanic conglomerate, tuff and tuffaceous sandstone.
The Herald Formation is disconformably overlain by the Stony Mountain Formation and conformably overlays the Yeoman Formation. It can be correlated with the Fort Garry Member of the Red River Formation in Manitoba and in the Williston Basin.
The solid geology is macroporphyritic basalt with carboniferous limestone at the Middleton Quarry site and these are both overlain by low river terrace and lake alluvium. A whinstone crag and old quarry site sit close to Lochend Farm.
The Chipaque Formation overlies the Une Formation and is overlain by the Guadalupe Group. The core of the Zipaquirá Anticline consists of the Chipaque Formation.García & Jiménez, 2016, p.24 The age has been estimated to be Cenomanian-Turonian.
Turret 43A (Cockmount Hill) () was located by exploratory excavation in 1912.TURRET 43A, Pastscape, retrieved 3 December 2013 The site is overlain by turf-covered spoil from the Wall, and no remains of the turret can be seen.
The batholith is overlain by dacite from the Paleogene and Neogene periods (roughly 66 million to 1.8 million years ago) and andesite from the late Cretaceous. The andesite and monzonite are cut by dikes of dacite and rhyolite.
Dorsal coloration is red with green markings overlain with white flecks, especially on the flanks. The lower parts are pale olive with blue-white spots edged with brown. The digital tips are yellow. The iris is bright copper.
Balabusic et al., 2001, p.26 The formation, part of the Agua de la Peña Group, overlies Los Rastros Formation and is overlain by Los Colorados Formation. The Ischigualasto Formation strongly contrasts with the bounding formation in color.
The Anacacho Limestone overlies the Upson Clay, and is overlain by the Corsicana Marl.Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
An alternative subdivision uses Grey Garumnian at the base, overlain by Lower Red Garumnian and Vallcebre Limestone at the top.Bravo et al., 2005, p.51 The Vallcebre limestone is laterally equivalent with another described unit, the Suterranya Limestone.
The east rim is overlain by Zagut E, a crater with an irregular and flat floor. The floor of Zagut itself is also relatively flat, and the center is occupied by the crater Zagut A instead of a peak.
The La Naveta Formation overlies the Útica Formation and is overlain by the Trincheras Formation. The age has been estimated to be Hauterivian to Barremian. Stratigraphically, the formation is time equivalent with the Las Juntas, Ritoque and Paja Formations.
The Socotá Formation overlies the Trincheras Formation and is partly overlain by and partly time equivalent with the El Peñón Formation.Acosta & Ulloa, 2002, p.42 In other areas, the formation underlies the Capotes and Hiló Formations.Acosta & Ulloa, 2002, p.
The Simijaca Formation conformably overlies the Chiquinquirá Sandstone, and the Hiló and Pacho Formations, and is overlain by the La Frontera Formation.Acosta & Ulloa, 2001, p.32 The age has been estimated to be Turonian, or Cenomanian.Acosta & Ulloa, 2001, p.
Aerial view from north east. Mount Ainslie is to the left. Calcareous shales from the Canberra Formation from the Silurian period is overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains".
The post-Acadian movements are highlighted in the stratigraphy of the region. The Lower Old Red Sandstone is unconformably overlain by Upper Old Red Sandstone, where the Upper Old Red Sandstone is tilted close to the Highland Boundary Fault.
The underlying geology is Lewisian Gneiss overlain by peaty podzols and gleys. The Gaelic name of the island, means "large island of Rainish" and is taken from the surrounding area, which itself means "Roe deer headland", from Old Norse.
The Pajarito Mountains consist of Cenozoic intrusive granites and granodiorites overlain by late Oligocene and Miocene (23–14 myo) volcanics mainly silicic (rhyolites grading into andesites) and followed (12–8 myo) by surface basalts (lava) and intruding basaltic dikes.
The Monteith Formation is the basal formation of the Minnes Group. It was deposited conformably over the marine shales of the Fernie Formation and is conformably overlain by the Beattie Peaks Formation. To the south it grades into the Nikanassin Formation.
Euriphene species resemble Bebearia. The upperside ground colour of the males of some species is grey overlain with a metallic steely- blue sheen (E. barombina, E. coerulea and E. veronica). In other species the ground colour is reddish brown (E.
The Mealla Formation comprises sandstones ranging upward to siltstones with a basal conglomerate bed. The formation unconformably overlies the Yacoraite Formation and is overlain by the Thanetian Maíz Gordo Formation. The thickness of the formation ranges from .Narváez, 2009, p.
Calcareous shales from the Canberra Formation is overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains".Henderson G A M and Matveev G, Geology of Canberra, Queanbeyan and Environs 1:50000 1980.
The Regadera Formation overlies the Bogotá Formation and is overlain by the Usme and Tilatá Formations. The age has been estimated, based on palynological data of Echitriporites trianguliformis var. orbicularis, Nothofagidites sp. and Multiporopollenites pauciporatus, to be Middle to Late Eocene.
The Crowfoot Formation is overlain by the Stettler Formation and overlays the Southesk Formation. It is equivalent to the Calmar Formation and part of the Graminia Formation in central Alberta and to the Torquay Formation in Saskatchewan, Manitoba and Montana.
The Hiló Formation overlies the Capotes Formation and is overlain by the Simijaca Formation. The age has been estimated to be Late Albian to Early Cenomanian. Stratigraphically, the formation is time equivalent with the Une and Pacho Formations.Acosta & Ulloa, 2001, p.
The Beaverhill Lake Group consists of anhydrite and carbonate rocks at the base (the Fort Vermillion Formation), overlain by interbedded sequences of calcareous shale, argillaceous micritic limestone, limestone and dolomite. The group becomes thicker and more shaly to the west.
The Swasey Limestone was deposited in the Bathyuriscus-Elrathina zone (contemporaneous with the Burgess Shale). This is overlain in turn by the Bolaspidella zone (uppermost Middle Cambrian) Wheeler Shale and Marjum Formation, then the Cedaria zone (lowermost Upper Cambrian) Weeks Formation.
This gabbro consists of laminated plagioclase with and the augite-pigeonite pyroxene cumulus. The upper portion of the intrusion consists of the 1.7 km thick Forrestal Range section, with the Saratoga Gabbro cumulates overlain by the 300 m thick Lexington Granophyre.
The Pinnacles, with white sand overlain by red clay Boyd commissioned the construction of a sandstone tower overlooking the entrance to the harbour of Twofold Bay to alert whaling crews of the approach of their prey. The tower was never completed.
As the acropolis developed, these were overlain by later architecture but the area covered by the complex remained within the early- established boundaries.Harrison 2003a, pp. 184–185. Between 250 and 550 AD, masonry began to be employed in building palace structures.
Overall the region is characterized by an eroded plateau with bedrock overlain by varying thicknesses of loess. Most characteristically, the river valleys are deeply dissected. The bluffs lining this reach of the Mississippi River drainage basin currently climb to not quite .
The formation is overlain by either the Backbone Ranges Formation and the Vampire Formation, depending on the locality. These two formations have a common base with the Ingta formation, and both continue onwards until the base of the Sekwi Formation.
The Valle de Angeles Formation comprises claystones, sandstones and quartz- and shale-rich conglomerates.CEAH, 2007, p.22 The formation has a thickness of and dates to the Late Albian to Early Cenomanian. The formation is overlain by the Guanaco Formation.
The Sulphur Mountain Formation is laterally equivalent to Montney, Doig, and Halfway Formations in the subsurface beneath the plains of Alberta and northeastern British Columbia, and to the Toad, Grayling, and Liard Formations in the foothills of northeastern British Columbia. It unconformably overlies the Permian Ishbel Group or, in some areas, the Mississippian Rundle Group. It is conformably overlain by the Whitehorse Formation in the southern part of its extent and by the laterally equivalent Charlie Lake Formation in the north. In areas where those formations were removed by erosion it is unconformably overlain by the Jurassic Fernie Formation.
To the northwest of the Santander Massif, the formation overlies the Bocas Formation and is unconformably overlain by the Tablazo Formation. In some locations in this area, the formation is found in faulted contact with the Bucaramanga Gneiss, La Virgen Formation and the Tablazo and La Luna Formations. In the Serranía de San Lucas, the Noreán Formation conformably overlies the Morrocoyal Formation and in this area is overlain by the Tablazo Formation and the Arenal Conglomeratic Unit. Across the San Lucas mountains, the formation is in faulted and discordant contact with the Norosí Batholith, the San Lucas Gneiss and the Sudán Formation.
The Colorado Group is overlain by the Montana Group and underlain by the Dakota Group in the Williston Basin of the western Great Plains. It is unconformably overlain by the Lea Park Formation shale and unconformably underlain by the Blairmore, Mannville or Swan River Group in Western Canada. The lower part is equivalent with the Ashville Formation in eastern Saskatchewan and southern Manitoba, with the upper part corresponding to the Vermillion River Formation and Favel Formation. It is equivalent to the sum of Crowsnest Formation, Blackstone Formation, Cardium Formation, and the lower Wapiabi Formation of the Alberta Group in the Canadian Rockies foothills.
The road itself was designed to be of unbound aggregate that could in the future be overlain with an asphalt surfacing. The cost of construction aggregate in Afghanistan is high (around $250 to $650 per cubic metre) because of security and transport costs, therefore Foley attempted to minimise its use. A series of trials using various foundation systems was carried out at Camp Bastion to assess the capacity of a geosynthetic cell system that can be shipped flat but unfolds to form a hollow honeycomb structure that can be backfilled with aggregate and overlain with a wearing course.
From oldest to youngest they comprise the Llandovery age Reservoir Formation (named for North Esk Reservoir where these rocks are to be found), the Deerhope Formation, the Cock Rig Formation and the Wether Law Linn Formation overlain by the Wenlockian age Henshaw Formation. These are in turn unconformably overlain by the late Silurian to early Devonian age sandstones and conglomerates of the Greywacke Conglomerate and Swanshaw Sandstone formations. A further unconformity separates these from the overlying Pentland Hills Volcanic Formation though all three formations are collected together within the Lanark Group. The Volcanic Formation forms such summits as East and West Kip.
Ordovician rocks include numerous limestone and marl sequences in the Kunda, Aseri, Lasnamae, Uhaku, Idavere, Johvi, Keila, Rakvere, Nabala, Vormsi, Pirgu and Porkuni stages. Juuru Stage microcrystalline nodular limestone and red marl from the Silurian transgressively overlies Ordovician rocks, ascending through a sequence that includes the Raikkula, Adavere, Jaani, Jaagarahu, Siesartis, Dubysa, Pagegiai, Minija and Jura stage rocks, which include argillite, dolomite, marl, clay and other basin sediments. The early DevonianTilzee and Stoniskiai Stage rocks are disconformably overlain by the Kemeri Stage with clays and siltstones up to 170 meters thick. This is in-turn overlain disconformably by the Rezekne Stage.
Copper-rich sandstone is found close to the Gissar area. Except in the east, where bauxite and continental sandstone formed, the Cretaceous immersed Uzbekistan in a shallow sea that left behind limestone and gypsum. With the beginning of the Cenozoic, in the Paleogene deposition changed leaving behind a sequence with thick green clay at the base, overlain by limestone and then sandstone and clay in the east. In the middle Paleogene, thick sequences of gypsum and carbonate overlain by of clay, sandstone and carbonate formed in other parts of the country, producing oil and gas in the lowest unit.
In the north and northwest wall of the Valles caldera, the Paliza Canyon Formation appears to be conformably overlain with dacite and quartz latite flows of the Tschicoma Formation (Polvadera Group). However, the alteration of the Paliza Canyon beds in contrast with the fresh appearance of the Tschicoma beds suggests a disconformity between the formations. The Paliza Canyon Formation is also locally overlain unconformably by the Bandelier Tuff. Beds assigned to the Basalt of Chamisa Mesa have since been found to be unremarkable in age and composition and are now assigned to the Paliza Canyon Formation.
The wood lies on the northern margin of the glacial ridge that forms Muswell Hill. The surviving section of the wood lies on London Clay overlain by head. To the immediate west and south this is overlain by gravels of a former course of the Thames, capped by glacial till of Anglian age.Sheet 256 North London, 1:50,000 Geology Series, Keyworth: British Geological Survey, 2006, It was here in 1835 that N. T. Wetherell discovered a strange mixture of rocks and fossils normally found in the north of England that led to the subsequent recognition of glacial deposits in southern England.
These are overlain by more than 250m thickness of dark grey mudstones and siltstones of the Brathay Formation which, with the overlying Coldwell and Wray Castle formations are collected together as the Tranearth Group and, in age terms, span the Wenlock / Ludlow boundary. The larger part of the range is formed from sandstones of the Coniston Group. This unit is roughly 1000m thick; it includes a basal Screes Gill Formation up to 300m thick and also contains numerous siltstone bands. These are overlain by the sandstones, mudstones and siltstones of the Bannisdale and Kirkby Moor formations, collected together as the Kendal Group.
At this point the highway is overlain by US 70 for approximately one mile (1.6 km); it then turns north as a primary highway to Charlotte, where it terminates just south of the downtown area with another intersection with State Route 48.
"Arbuckle Mountains." Retrieved October 7, 2013. The granite rocks of the Arbuckles date back to the Precambrian Eon some 1.4 billion years ago which were overlain by rhyolites during the Cambrian Period. The range reaches a height of 1,412 feet above sea level.
The fifth metacarpal (which connects to the little finger) is as short as the first, but has a more "pinched" appearance. Some phalanges (finger bones) are obscured by the overlain skull, but those that are visible are short, with sharp and curved claws.
The Boscawen SSSI, which encompasses the whole of the cove, "is a nationally important site for Quaternary geomorphology and Quaternary stratigraphy. Coastal exposures at the site show a sequence of granitic shore platform overlain in turn by raised beach deposits and head deposits".
It is overlain by thick sequences of chalk and Totternhoe Stone. Large parts of the site are a working quarry which is closed to the public, while other areas have been filled in and are now fields which are crossed by footpaths.
59 The Talampaya Formation is overlain by the arid fluvial sandstones and conglomerates of the Tarjados Formation, eroding the Talampaya Formation.Balabusic et al., 2001, p.26 The formation, reaching a maximum thickness of with a general thickness of approximately ,Aceituno Cieri et al.
The Guaduas Formation unconformablyVillamil, 2012, p.208 overlies the Arenisca Labor-Tierna Formation of the Guadalupe Group and is overlain by the Cacho Formation. The age has been estimated to be Upper Maastrichtian-Lower Paleocene, spanning the K-T boundary.Montoya & Reyes, 2005, p.
From Bury St Edmunds and Sudbury eastwards the Chalk is overlain by an extensive spread of Pliocene to Pleistocene age 'crag' stretching to the North Sea coast. Slightly older deposits known as Corralline Crag occur in the vicinity of Aldeburgh and Orford.
Calcareous shales from the Canberra Formation is overlain in places by Quaternary alluvium. This rock includes the limestone of the original title of Canberra "Limestone Plains".Henderson G A M and Matveev G, Geology of Canberra, Queanbeyan and Environs 1:50000 1980.
The Shaunavon Formation is conformably overlain by the Sawtooth Formation and conformably overlays the Gravelbourg Formation. It is equivalent to the Sawtooth Formation in southern Alberta, as well as to the Bowes member and Firemoon Member of the Piper Formation in Montana.
There are multiple craters along the rim and within the interior, including a pair of small craters in the western half. Most of Weyl is overlain by a portion of the ray system from the crater Ohm to the east- southeast of Shternberg.
The Wapiti Group forms the present day erosional surface in British Columbia, and is overlain by the Scollard Formation in its eastern reaches. It conformably and gradually overlays the Kotaneelee Formation in British Columbia, and the Smoky Group in north-western Alberta.
The hindwings are rather broad, dark brown and have a small narrow androconial pocket basally. Females have a paler thorax and forewings. These are yellowish, overlain more or less extensively with brownish fuscous scales. The hindwings are grey and narrower than in males.
The upper plate of the NSD consists of rocks of the highest tectonostratigraphic levels of the Norwegian Caledonides, the upper allochthon, unconformably overlain by conglomerates and sandstone of Devonian age. The lower plate of the NSD is formed by the Western Gneiss Region.
The Heers Formation is almost everywhere overlain by the Hannut Formation (clay, sand and limestone from the late Paleocene). The Orp and Gelinden members are also recognized in the Netherlands (north of Belgium). Dutch stratigraphers see them as part of the Landen Formation.
The Seca Formation, part of the Ancón Group, conformably overlies the Socorro Formation and is overlain by the Punta Ancón Formation. The Seca Formation comprises grey to greenish shales deposited in a marine platform with submarine fans environment.Lorenzo et al., 2018, p.
This ooidal limestone lies above either the Yedmandale Member or the Lower Calcareous Grit Formation. It is overlain by either the Middle Calcareous Grit or Malton Oolite Members. It is distinguished from the latter by its smaller grain-size and poorer sorting.
The surface rocks consist mainly of Cretaceous sedimentary limestones, conglomerates, and sandy- limey- shales. There is some interbedded gypsum. These Cretaceous rocks are overlain in places by Neogene and Quaternary alluvial sediments with some volcanics. There is a mercury mine in the municipality.
Geologically the area is basalt overlain by limestone with the coastal landforms characterised by the rugged cliffs and headlands of Cape Nelson and Cape Bridgewater, dunefields, and by swamps and freshwater lakes further inland. The limestone contains mammalian fossil deposits of Pleistocene age.
The formation consists mostly of dark green to olive clay shale with some thin siltstone beds and highly fossiliferous calcareous beds. It lies conformably on the Muleros Formation and is conformably overlain by the Mojado Formation. Total thickness is . Lucas et al.
The formation consists of up to of thinly bedded light brown sandstone. It with a slight angular unconformity on the Sloan Canyon Formation and is overlain unconformably by the Exeter Sandstone.Ziegler et al. 2019 The formation is usually assigned to the Dockum Group.
The Ankazomihaboka Formation is a Coniacian geologic formation in the Mahajanga Basin of northwestern Madagascar. The formation comprises claystones and sandstones deposited in a fluvial to lacustrine environment.MAD 96 at Fossilworks.org The formation is overlain by the Marovoay Beds and overlies basalt.
Overlain by the Bannisdale Formation of the Kendal Group and underlain by the Wray Castle Formation of the Tranearth Group, it is divided into several formations. These are, in ascending order (oldest first): Wray Castle, Gawthwaite, Latrigg, Poolscar, Moorhow (or Moorhowe) and Yewbank.
The Kirusillas Formation is a Homerian geologic formation of central Bolivia. The formation comprises black shales, overlies the Llallagua Formation and is overlain by the Pampa and Guayabillas Formations. The Kirusillas Formation is laterally equivalent to the Lipeón Formation.Veizaga Saavedra et al.
The Mount Wilson Formation is present in the Rocky Mountains of Alberta and British Columbia. It rests conformably on the Owen Creek Formation in the eastern main ranges and on the Glenogle Formation in the western main ranges, and is overlain by the Beaverfoot Formation.
The Perdrix Formation overlies the Maligne Formation or, where the Maligne is absent, the Flume Formation. It is conformably overlain by the Mount Hawk Formation and the contact is gradational. Laterally it interfingers with the Peechee Formation and the reefs of the Cairn Formation.
The Survey Peak Formation is present in the Rocky Mountains of Alberta and British Columbia. It thickens westward. It overlies the Mistaya Formation or the top of the Lynx Group, and is overlain by the Outram Formation. The basal contact is conformable but abrupt.
The Gracias Formation is a sedimentary unit, consisting of sandstone, siltstone, claystone and a few conglomeratic beds. The formation crops out in western Honduras and ranges from in thickness. The formation overlies the Padre Miguel Group, while it is overlain by Pleistocene basalts.N.N., s.a.
The Santa Cruz Mountains are largely the result of compressive uplift caused by a leftward bend of the San Andreas Fault. The Salinian Block basement rocks are overlain by Miocene rock strata of the Lompico Sandstone, the Vaqueros Sandstone and the Santa Margarita Formation.
The formation was probably deposited in a fore-reef environment in an open shelf system.Scott, 1995, p.297 The lower boundary of the Campur Formation is transitional into the underlying Cobán Formation. The formation is overlain by the Sepur Formation of the Petén Group.
At the beginning of the Mesozoic, the Aaiun-Tarfaya coastal basin filled with clastic material and evaporate deposits, as well as basalt extruded during rifting. Marine transgression in the Jurassic formed carbonate, marl and clastic sequences, overlain by additional clastic sequences from the Cretaceous.
Calcareous shales from the Canberra Formation is overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains". The higher parts of O'Connor in the west are different. Towards the south near Black Mountain is the Black Mountain Sandstone.
Farther northeast, the fault is overlain by young alluvial deposits of the Middle Magdalena Valley. The fault is marked by well preserved fault scarps, long straight traces, displaced drainages, and it forms aligned river courses. The slip rate is calculated at per year.Paris et al.
Pipe Rock viewed on a bedding surface This thin strip of Lower Paleozoic strata lie unconformably on both the Lewisian complex and the Torridonian. The sequence is divided into the lower Cambrian Ardvreck Group overlain by the Durness Group of Cambrian to lower Ordovician age.
14 The Tarjados Formation, as the underlying Talampaya Formation, belongs to the Paganzo Group.Tarjados Formation at Fossilworks.org The formation is exposed in the Talampaya National Park of La Rioja Province. The Tarjados Formation is overlain by the Chañares Formation, separated by a regional unconformity.
The Capotes Formation, part of the Villeta Group, overlies the Socotá and El Peñón Formations, and is overlain by the Hiló Formation. The age has been estimated to be Early Albian. Stratigraphically, the formation is time equivalent with the Simití Formation.Acosta & Ulloa, 2001, p.
The Guadalupe Group overlies the Conejo Formation in the central part of the Altiplano Cundiboyacense and the Chipaque Formation in the eastern part and is overlain by the Guaduas Formation. Some authors define the Guadalupe Group as a formation and call the individual formations members.
This unnamed formation has been almost completely obliterated, and is overlain in the northwest by Lindenau, and along the outer northeast side by Rothmann. The crater is named after the Medieval French Jewish scholar Levi ben Gershon, better known by his Graecized name as Gersonides.
The Labiche Formation is overlain by the Belly River Formation and conformably overlays the Pelican Formation. It is equivalent to the parts of the Colorado Group in central Alberta and to the sum of Smoky Group, Dunvegan Formation and Shaftesbury Formation in north- western Alberta.
Vyāsa is a crater on Mercury. It was named by the IAU in 1979, after the Indian poet Vyasa. Vyāsa is an ancient crater, overlain by two much younger craters – Stravinsky and Sholem Aleichem.Venus and Mercury, and How to Observe Them, by Peter Grego. 2008.
The Löwenstein Formation (Stubensandstein in Baden-Württemberg, Burgsandstein in Bavaria) is a lithostratigraphic formation of the Keuper in Germany. It is underlain by the Mainhardt Formation and overlain by the Trossingen Formation. It dates back to the middle Norian.Weishampel, David B; et al. (2004).
The Macanal Formation, a unit of the Cáqueza Group, concordantly overlies the Guavio, Santa Rosa, Ubalá, Chivor and Batá Formations,Terraza et al., 2013, p.110 and is concordantly overlain by the Las Juntas Formation. The age has been estimated to be Berriasian to Valanginian.
The geology of Lithuania consists of ancient Proterozoic basement rock overlain by thick sequences of Paleozoic, Mesozoic and Cenozoic marine sedimentary rocks, with some oil reserves, abundant limestone, dolomite, phosphorite and glauconite. Lithuania is a country in the Baltic region of northern-eastern Europe.
1986 on the Love Ranch Formation,McMillan 2004, p. 254 is unconformably overlain by the Bell Top Formation, Rincon Valley Formation, or Santa Fe Group, and has a thickness of about . Radiometric ages of intrusions and interbedded flows range from 42 to 51 million years.
The formation consists of gray shale with some interbedded siltstone and silty limestone, with some fine grained sandstone towards the top of the formation. The total thickness is . It rests conformably on the Del Norte Formation and is conformably overlain by the Muleros Formation.
It is overlain by the Bar B Formation. The formation is of middle Pennsylvanian age and may correlate with the Lead Camp Limestone in the San Andres Mountains, the Gobbler Formation in the Sacramento Mountains, and the Los Moyos Limestone of the Manzano Mountains.
The Dinlence Formation overlies the Cemaller and consists of andesites and andesitic tuffites. It is possible that the Dinlence is the Yemislicay Formation since it too contains andesites and andesitic tuffites. The Dinlence is overlain by the marls, and limestones of the Alapý Formation.
They are around long and wide, including the wings. They are overlain by fertile scales containing one seed each, embedded on the upper surface. They are arranged helically. The "ligules" (the free tip of the fertile scale characteristic of Araucaria) are wide, high, and long.
The Benson & Hedges Classic is a defunct tennis tournament that was played on the Grand Prix tennis circuit from 1973–1974. The event was held in Christchurch, New Zealand at the Cowles Indoor Stadium. This had a wood floor overlain with carpet for tennis events.
192 This formation in most of the basin is overlain by the Río Negro Formation.Reichler, 2010, p.183 The Late Miocene succession in the westernmost area of the basin is represented by the Arroyo Chasicó and eolian Cerro Azul Formations,Visconti et al., 2010, p.
The Doig Formation is unconformably overlain by the Halfway Formation of the Schooler Creek Group; the contact is marked by a dolomitic bed and a chert and quartz conglomerate bed. To the west it is overlain by younger Jurassic beds. It conformably overlies the Montney Formation and the contact is marked by a phosphate pellet bed in the base of the Doig. The formation correlates with the lower Llama Member of the Sulphur Mountain Formation in the southern ranges of the Canadian Rockies, with the Whistler Member of the Whitehorse Formation in the Muskwa Ranges, and with the Toad Formation in the upper Liard River area.
The Besa River Formation is conformably overlain by the Prophet Formation or Banff Formation in its eastern extent, while to the west it is overlain by the Mattson Formation and Stoddart Group, and abruptly overlays the Dunedin Formation in the west of its extent in British Columbia, and the Slave Point Formation in the east. In the Northwest Territories, it rests on the Nahanni Formation in the east and the Road River Formation in the west. Towards the southwest, it passes laterally into the Fort Simpson Formation and Exshaw Formation. To the south, it passes into the Dunedin Formation, Horn River Formation and Exshaw Formation.
The Elk Point Group is conformably overlain by the Manitoba Group in Manitoba and Saskatchewan, and by the Beaverhill Lake Group in Alberta. It rests unconformably on Precambrian basement rocks in northern Alberta, on Cambrian strata in northeastern Alberta and in Saskatchewan, and on Ordovician to Silurian formations in western Alberta, Saskatchewan and southwestern Manitoba. In the Northwest Territories, some of its uppermost units are exposed at surface or are unconformably overlain by Cretaceous strata. The Lower Elk Point Group is equivalent to the Stone Formation and its equivalents, and the Headless and Nahanni Formations, in northerneastern British Columbia and the southwestern Northwest Territories.
The sediments exposed in the badlands at Dinosaur Provincial Park were laid down over a period of about 1.5 million years during the Campanian stage of the Late Cretaceous epoch, and belong to three different geologic formations. The top of the terrestrial Oldman Formation, which outcrops at the base of the sequence, is the oldest. It is overlain by a complete section of the terrestrial Dinosaur Park Formation, which is in turn overlain by the base of the marine Bearpaw Formation. The Dinosaur Park Formation, which contains most of the articulated dinosaur skeletons, was laid down between about 76.5 and 74.8 million years ago.
The Khewra Salt Mine is excavated within the base of a thick layer of highly folded, faulted, and stretched Ediacaran to early Cambrian evaporites of the Salt Range Formation. This geological formation consists of a basal layer of crystalline halite, which is intercalated with potash salts. This basal layer is overlain by gypsiferous marl, which is covered by interlayered beds of gypsum and dolomite with infrequent seams of oil shale. These strata are overlain by of Neoproterozoic to Eocene sedimentary rocks that have been uplifted and eroded along with the Salt Range Formation to create the Salt Range at the southern edge of the Pothohar Plateau.
These are overlain by Paleoproterozoic rocks which were formed in rift basins. The Western Block consists of an Archean (2.6–2.5 billion years ago) basement which comprises tonalite-trondhjemite-granodiorite, mafic igneous rock, and metamorphosed sedimentary rocks. The Archean basement is overlain unconformably by Paleoproterozoic khondalite belts, which consist of different types of metamorphic rocks, such as graphite-bearing sillimanite garnet gneiss. Sediments were widely deposited in the Phanerozoic with various properties, for example, carbonate and coal bearing rocks were formed in the late Carboniferous to early Permian (307-270 million years ago), when purple sand-bearing mudstones were formed in a shallow lake environment in the Early to Middle Triassic.
The Naiset Formation is present in Rocky Mountains of southeastern British Columbia. It unconformably overlies the Gog Group. It is overlain by the Cathedral Formation, and the contact is gradational. Equivalent strata to the east of the Kicking Horse area are assigned to the Mount Whyte Formation.
14, no. 6, p. 405-441. It consists of limestones, calcareous shales and mudstones, and siltstones, and can be subdivided into four informal members: a basal siltstone, overlain in turn by a putty-colored calcareous shale, a limestone and shale unit, and a massive, cliff-forming limestone.
20 The formation mainly consists of marls and turbiditic sandstones and conglomerates deposited in the northeastern part of Hispaniola.Díaz de Neira, 2017, p.663 The formation overlies the Los Hidalgos Formation and is overlain by the La Jaiba Conglomerate and in places by the Villa Trina Formation.
The cap is convex, reaching in diameter. The colour is yellow-fawn overlain by a dark-brown velvety network of thread- like filaments. The flesh is pale yellow-fawn. The gills are free from attachment to the stem, crowded closely together, and pink with whitish margins.
Layers of shale at the north end of the cove. Red shale sandwiched between layers of conglomerate sandstone. The bare cliff face reveals different rock layers. The cliff face is an exposed face of a greatly disturbed Devonian sequence, overlain in places by Permian sandstones and breccias.
The Fómeque Formation overlies the Las Juntas Formation and is overlain by the Une Formation. The age has been estimated to be Barremian to Late Aptian. Stratigraphically, the formation is time equivalent with the Mercedes Formation. The formation has been deposited in a shallow marine environment.
Geological Society of Australia – Coal Geology Group. 1, 341–353. The basin is underlain by the Carboniferous Drummond Basin and overlain by the Cretaceous – Jurassic Eromanga Basin. The Triassic and younger sediments of the Galilee Basin form the basal sequence of the Great Artesian Basin drainage basin.
The Pastos Bons Formation is a Late Jurassic (Oxfordian to Kimmeridgian) geologic formation of the Parnaíba Basin in Maranhão, northeastern Brazil. The formation forms part of the sag phase of the basin. It overlies the Sardinha Formation and is overlain by the Mosquito Formation.De Castro et al.
Nardi and Nardi, a similar pair of geologists published their findings in 1975 of gypsum and sulfide formations related to the Messinian salinity crisis—a massive desiccation of the Mediterranean which left thick salt deposits. In the north, San Marino is overlain by Pliocene marine sediments.
Lower Portlandian micrite from the La Tour-Blanche Anticline. The rock is strike-slip-faulted in an ESE-WNW-direction and shows a calcite-filled pull-apart. The La Tour- Blanche anticline is cored by Upper Jurassic. Lowest outcropping member is uppermost Kimmeridgian overlain by Lower Portlandian.
The lower part of the formation is trachytic with abundant sanidine phenocrysts, melanite and pyroxene. The upper part contains sanidine, analcime, melanite and rock fragments. It is unconformably overlain by the shales of the Blackstone Formation that were deposited during a marine transgression in the Late Cretaceous.
The La Frontera Formation overlies the Simijaca Formation and is overlain by the Conejo Formation, all units belong to the Villeta Group. The age has been estimated to be Turonian. Stratigraphically, the formation is time equivalent with the Chipaque, Hondita and La Luna Formations.Montoya & Reyes, 2005, p.
The Pine Point Formation is overlain by the Presqu'ile Formation and Sulphur Point Formation; It conformably overlays the Chinchaga Formation and Fitzgerald Formation. It is equivalent to Muskeg Formation in northern Alberta, the Dunedin Formation in British Columbia and the upper Nahanni Formation in western Northwest Territories.
Eastern Cuba, southeast of the Cauto Basin, by contrast has a Cenozoic volcanic arc complex, with ophiolites north and east of the Sierra Maestra as Mesozoic-age orogen rocks overlain by Paleogene sedimentary rocks and tuff. Sedimentation due to the tectonic activity continued into the Oligocene.
The geology of Sint Eustatius represents a young Pleistocene volcanic island. The oldest rocks are overlain by the Sugar Loaf-White Wall Formation shallow marine limestone. The Quill is the island's highest point and although partially eroded records a pyroclastic volcano with a two kilometer wide crater.
The geology of Missouri includes deep Precambrian basement rocks formed within the last two billion years and overlain by thick sequences of marine sedimentary rocks, interspersed with igneous rocks by periods of volcanic activity. Missouri is a leading producer of lead from minerals formed in Paleozoic dolomite.
The Kotcho Formation is overlain by the Exshaw Formation and conformably overlays the Tetcho Formation. To the east, it grades into the upper Wabamun Group carbonate, and to the south-west into the Palliser Formation. To the east it is replaced by the Besa River Formation shale.
The Tetcho Formation is conformably overlain by the Kotcho Formation and conformably overlays the Trout River Formation and Fort Simpson Formation. It is equivalent to the lower Wabamun Group in Alberta and to parts of the Besa River Formation in the Liard area of British Columbia.
The La Cruz Formation is an Aptian geologic formation in Argentina. Pterosaur fossils of Pterodaustro guinazui have been recovered from the formation.Hualtarán at Fossilworks.org The formation, the uppermost unit of the El Gigante Group, overlies the El Toscal Formation, and is overlain by the Lagarcito Formation.
These sands are overlain by Pliocene sediments consisting of layers of sand, silt, mud, peat, and pebbles.Fujita, K., and D.B. Cook, 1990, The Arctic continental margin of eastern Siberia, in A. Grantz, L. Johnson, and J. F. Sweeney, eds., pp. 289–304, The Arctic Ocean Region.
The bedrock of Skiddaw, commonly known as Skiddaw Slate, is the Kirkstile Formation. This Ordovician rock is composed of laminated mudstone and siltstone with greywacke sandstone. At the summit this is overlain by scree and to the south are areas where the underlying Loweswater Formation surfaces.
The Belloy Formation is disconformably overlain by Triassic or younger beds (Montney Formation, Fort St. John Group). It is unconformably overlies Mississippian sediments such as those of the Rundle Group. The Belloy Formation is homotaxial with the Belcourt Formation and Kindle Formation of the Rocky Mountains.
The geology of Thailand includes deep crystalline metamorphic basement rocks, overlain by extensive sandstone, limestone, turbidites and some volcanic rocks. The region experienced complicated tectonics during the Paleozoic, long-running shallow water conditions and then renewed uplift and erosion in the past several million years ago.
The Mount Simon Sandstone is the basal sandstone of the Potsdam Sandstone. It was deposited in a nearshore environment, unconformably overlying Precambrian basement. It is overlain by the Eau Claire Formation or Ordovician strata. It is presumed to be Upper Cambrian in age, though not verified.
The Drina Formation ("Drina Formacija") is a stratigraphic unit in Bosnia and Herzegovina and Serbia. It was deposited between the Cambrian and the Carboniferous onto Neoproterozoic basement. It is composed of clastic sediments, limestone and volcanic rocks. The Drina Formation is conformably overlain by the Golja Formation.
This has a high water table, and a subsoil of lenticulated glacial drift containing pockets of clay and running sand overlain in part by peat, so this is not very stable. Before landscaping the waste tip was covered with a 6m layer of clean top soil.
The Monitor Butte Member overlies the Shinarump in most areas. The Monitor Butte is an overbank (distal floodplain) facies with lacustrine deposits. This is overlain in western areas by the channel-deposit facies Moss Back Member. More commonly, the Monitor Butte grades into the Petrified Forest Member.
Due to its large areal extent, the Cardium Formation falls within different stratigraphic groups in different regions (Alberta Group, Colorado Group, and Smoky Group). It is conformably overlain by the Wapiabi Formation and underlain by the Blackstone Formation. The formation is partly equivalent to the Kaskapau Formation.
1, p. 171-181. The Arapahoe Formation consists of alluvial fan and fluvial deposits that prograded eastward from the growing Rocky Mountain Front Ranges. It rests unconformably on the Laramie Formation, and is conformably overlain by the Denver Formation. It reaches a maximum thickness of about .
The summit of the fell is representative of the Birker Fell Formation. This is composed of plagioclase-phyric andesite lavas and subordinate sills. To the south en route to High Seat are garnet-bearing porphyric andesite. Much of the northern section is overlain by peat and till.
This ranges from thick, and forms an almost continuous pavement on the western half of the island. The aeolianite is in turn overlain by sand dunes. These are discontinuous in western and northern parts of the island, but in the south-west and east they are extensive and consolidated.
The Simla Formation consists of recessive argillaceous siltstones, overlain by thick-bedded, cliff-forming limestones and dolomitic limestones. It was deposited as a shallow subtidal, open-marine carbonate shelf.Talon, V.B. 2002. Sedimentology of an open marine platform of late Frasnian age: The Simla Formation, west-central Alberta, Canada.
The Beattie Peaks Formation is part of the Minnes Group. It was deposited conformably on the Monteith Formation and is conformably overlain by the Monach Formation, both of which also belong to the Minnes Group. To the south it grades into the lower part of the Gorman Creek Formation.
When described, the genus name Villicumia was chosen by Sánchez in reference to Sierra de Villicum where the type locality is. Similarly the species epithet canteraensis was coined as a reference to the La Cantera Formation which is directly overlain by the Don Braulio Formation at Sierra de Villicum.
The Craven inliers are found to the north of the North Craven Fault. In these inliers, calcareous siltstones and muddy limestones of the Norber Formation are overlain by siltstones and mudstones of the Sowerthwaite Formation. The Dam House Bridge Tuff Member forms the basal part of the Sowerthwaite Formation.
In some places, isolated diabase and gabbro dikes intrude the older Precambrian rocks. Unmetamorphosed sandstone, siltstone, arkose and conglomerate, probably from the Cretaceous are found in a narrow, five kilometer band along the coast, overlain by Neogene marine sediments formed between 23 million and 2.5 million years ago.
The caudal fin is slightly rounded. There are 54 to 62 scales in its lateral line. The adults are greyish-brown in colour overlain with a mottled pattern and with darker fins. The small juveniles are yellow with wide, dark irregular bars and irregular dark spots on their fins.
The narrow belts trend east-northeast with the widest part to the southwest. These iron-bearing rocks are of sedimentary origin which overlie an igneous series. The iron formation is tightly folded with greenstone. and is overlain by granites in the Vermilion, Trout, Burntside, Basswood and Saganaga lake areas.
6 and comprises red sandstones and siltstones deposited in a fluvial meandering environment. The Río Loro Formation unconformably overlies the Cretaceous Los Blanquitos Formation and is overlain by the Río Nío Formation. The Río Loro Formation is correlated with the Mealla Formation of the Salta Basin to the northeast.
The Keg River Formation is conformably overlain by the Muskeg Formation and unconformably overlays the Chinchaga Formation. It is equivalent to the Pine Point Formation, Hume Formation and Nahanni Formation in north-eastern British Columbia and the Northwest Territories and to the Winnipegosis Formation in Saskatchewan and eastern Alberta.
The roof was timber framed and originally had triangular gable ends. The floor of the lower room was comprised partly of sandstone bedrock, which may have been overlain by timber decking. Any other evidence of the original floor levels in this room was presumably destroyed by the 1972 works.
Within the Kufra Basin in the northeast are lower Palaeozoic sandstones which are overlain by Nubian Sandstones. There are also continental clastic rocks of lower Cretaceous age and rocks of marine origin from the Upper Cretaceous. Within the Chad Basin, the Neogene Chad Formation is composed of lacustrine sediments.
42, p. 55–758, doi: 10.1130/G35912.1. which yield dioctahedral phyllosilicates. Importantly, some of these areas (Mawrth Vallis and Oxia Planum) have weathering profiles of Al- smectites overlain by Fe/ Mg smectites (all of which appear to be dioctahedral), and then poorly crystalline / amorphous phases like allophane and imogolite.
After production begins the parasequences act as separate drainage units with the flooding surfaces, which are overlain by shales or carbonate-cemented horizons, forming a barrier to vertical reservoir communications. Sequence stratigraphic principles have optimized production potential once reservoir scale architecture is identified and separate drainage units identified.
The graben is a Late Palaeozoic- Mesozoic triple junction failed rift. Precambrian metamorphic rocks, composed of granulite-facies sequences intruded by granites and pegmatites, are overlain by the Permian sedimentary Amery Group. These rocks outcrop on the Platforma Kamenistaja and Else Platform within the northern Jetty Peninsula (Jetty Oasis).
Turret 36B (Housesteads) () lies within Housesteads Roman Fort.TURRET 36B, Pastscape, retrieved 3 December 2013 It was demolished when the fort was built, and overlain with buildings. The foundations of the turret survive, and the walls have been excavated and consolidated, standing to a maximum height of 0.7 metres.
The Ellis Group is unconformably overlain by the shales and sandstones of the Mannville Group and rests on the carbonates of the Rundle Group. It grades westwards to the shales of the Fernie Group, and eastwards to the shale, sandstones and limestones of the Vanguard and Shaunavon Formations.
The Manitoba Group is conformably overlain by the Duperow Formation and disconformably overlays the Prairie Evaporite Formation or Winnipegosis Formation of the Elk Point Group. The lower Manitoba Group is equivalent to the Muskeg Formation in northern Alberta, while the upper part correlates with the Beaverhill Lake Formation.
The Judith River Formation conformably overlies the Claggett Formation and Pakowki Formation. It is overlain by the Bearpaw Formation. It is equivalent to the Belly River Formation in the southern Canadian Rockies foothills, the Lea Park Formation in central Alberta and the Wapiti Formation in the northwestern plains.
A stratigraphic unit both underlain and overlain by the Tanglewood Member, the Stamping Ground Member is similar to the Millersburg unit, but is unconnected to it and stratigraphically lower. Deposited in relatively shallow waters, it is rich in stromatoporoids, particularly Labechia huronensis. Red algae and brachiopods are also present.
At Big Dan, the Arsenic Lake Formation is overlain by a heavily wooded boreal forest. It consists of several tree species, such as cedar, alders, jackpine, spruce, birch and poplar. In some areas, however, fir is quite extensive and very thick. Swamps are extensive in areas of low ground.
The Kakisa Formation is disconformably overlain by the Trout River Formation and conformably overlays the Redknife Formation (east) or the Fort Simpson Formation (west). It is equivalent to parts of the Winterburn Group in central Alberta. Towards the west, it becomes shaley and turns into the Fort Simpson Formation.
The geology of Egypt includes rocks from Archaean - early Proterozoic times onwards. These oldest rocks are found as inliers in Egypt’s Western Desert. In contrast, the rocks of the Eastern Desert are largely late Proterozoic in age. Throughout the country this older basement is overlain by Palaeozoic sedimentary rocks.
The Lagarcito Formation is an Albian geologic formation in Argentina. Pterosaur fossils have been recovered from the formation. The formation overlies the La Cruz Formation and is overlain by the San Roque Formation. The sandstones and mudstones of the formation were deposited in a fluvial and mostly lacustrine environment.
The Tortonian has limestone, marl and conglomerate in the northwest and similar units plus clay, salt, and gypsum in the Al-Furat Basin. Basalt, tuff, breccia, limestone, clay, sandstone and conglomerate were common from the Pliocene, overlain by alluvial conglomerate, basalt and flood plain deposits from the Quaternary.
Outwash plains and terminal moraines are also featured in the park. Soil types vary from rock or volcanic ash of vary depth to deep, wet soils overlain with peat. Although permafrost exists at higher elevations, it is not present in the lowlands. Two physiographic provinces cover the park.
The formation consists of about of brown, yellow, or gray limestone and siltstone and brown to greenish-gray shale. It disconformably overlies the Onate Formation and is overlain by the Percha FormationKues 2004 or the Contadero Formation. It pinches out in the west in the Basin and Range province.
The Caballero Formation consists of nodular gray argillaceous limestone, which grades upward into nodular gray marl with shale lenses. It rests conformably on the Percha Shale and is overlain unconformably by the Lake Valley Limestone. The formation likely correlates with the Chouteau Limestone of the upper Mississippi valley.
The Lytle Formation consists of white to light gray gravels and conglomerates. It is variable in thickness but is about at the type location. It is separated from the underlying Morrison Formation by a significant regional unconformity. It is overlain by the South Platte Formation or the Glencairn Formation.
The formation consists of brown to gray shale alternating with thin ray ledges of limestone. Shale makes up 65 to 75 percent of the formation. The total thickness is up to .Kues 2001 The formation rests on the Berino FormationNelson 1940 and is overlain by the Panther Seep Formation.
SR 43 begins in Madison County in Three Way at an interchange with US 45/US 45W/SR 5. It goes northeast as a divided four-lane highway, overlain by US 45E, and SR 186 for a short distance, before leaving Three Way and crossing into Gibson County.
The coal measures are carboniferous rocks laid down between 290 and 354 million years ago. West and east of Doncaster the coal measures are overlain by younger rocks, permian limestone,BGS, Barnsley, p. 1 where the area is referred to as the concealed coal field.Hill, South Yorkshire Coalfield, p.
The formation is called the Kettle Point Formation in Ontario, and is the stratigraphic equivalent of the New Albany Shale in the Illinois Basin. It is overlain by the Bedford Shale, and underlain in some areas by the Jordan River Formation, and elsewhere by the Thunder Bay Limestone.
Joined to the southern rim is the crater Saussure. To the southwest, just east of Tycho, is Pictet. The rim of Orontius is battered, worn, and overlain by a number of different craters. A pair of craters to the west have intruded into the crater wall, forming inward bulges.
Dark green clay with sandstone and siltstone interbeds, together up to 40 meters thick, overlies Vendian age rocks, defining the Lower Cambrian and the start of the Paleozoic. It is overlain by the Lontova Stage clays. The Vergale Stage has an angular unconformity with basement rocks in the east and contains brown oolitic ironstone, sandstone, siltstone and argillite up to 45 meters thick with the 42 meter Rausve Stage sandstone and siltstone above it. The mid-Cambrian Kybartai Stage sits above the Rausve Stage with abundant glauconite and is overlain in the west by the 67 meters of clay in the Deimena Stage or the Paneriai Stage argillite and sandstone in the east.
The Swaziland Supergroup and the Ancient Gneiss Complex are overlain by tuff, shale, quartzite, conglomerate and graywacke. The two formations are separated by faulting. Granite, gneiss, amphibolite and a variety of sediments and volcanics formed the Pongolo Supergroup in the Mesoarchean. The Neoarchean and Paleoproterozoic is represented by granite and granodiorite.
The northern rim of Oersted is overlain by a broken, lava-flooded craterlet. Just to the south is a younger, still-intact crater named Oersted A that was formed after Oersted was flooded. To the northwest, the flooded crater Oersted P is attached to the northwest arm of the outer rim.
The oldest rocks in this zone are the ophiolites of Late Cretaceous–Paleocene overlain by a thick sequence (about 5,000 m) of sandstone, shale, and marl. The whole sequence is deformed prior to Early Miocene. Thick sequence of Neogene rock units, in excess of 5,000 m, covers the older series.
The Corona Formation was defined as a formation by Venturini in 1990.Ronchi et al., 2012, p.305 It is the lowermost Gzhelian unit in the late Pennsylvanian Pramollo Group, overlying the Kasimovian Pizzul Formation and overlain by the Auernig Formation in the Carnian Alpine border region of Austria and Italy.
The Ungava Peninsula, situated on the northeast portion of the Canadian Shield, is where the Rae Province connects with the Superior Province. The region is composed of Archean rocks (ca. 2.7-2.9 Ga) from the Douglas Harbour Domain (see Superior craton). The Archean rocks are overlain by Paleoproterozoic supracrustal sequences (ca.
This crater has been worn and eroded by a history of impacts. Vega B overlies the southern part of the southern floor and inner wall. The east-northeastern section of the rim is overlain by a merged pair of small craters. A cluster of small craters lies along the northwestern rim.
The land therefore is raw, with many outcroppings of ancient bedrock, overlain in places by thin layers of gravelly soil and, in the west, silts deposited by Glacial Lake Agassiz. Eagle Mountain, the highest natural point in Minnesota at 2,301 feet (701 m) is located in the Superior National Forest.
The thick Cacho Formation overlies the Guaduas Formation and is overlain by the Bogotá Formation.Guerrero Uscátegui, 1992, p.5 The age has been estimated to be Late Paleocene, based on paleoflora studied by Thomas van der Hammen in 1957. The formation is laterally equivalent to the Lower Socha and Barco Formations.
In the greater part of the basin the surface rock is Eocene London Clay, flanked at the margins by older deposits such as the Reading Beds. In large areas towards the western end the London Clay is overlain by rather younger deposits of the Bagshot Beds etc., forming sandy heaths.
Such a bulge can be caused by a second, merged crater. The northern edge is also the most worn and overlain by impacts. The interior of Mach is marked by several small craters, particularly in the northeastern bulge. Several craters also lie along the edges to the west and northwest.
The Saskatchewan Group is conformably overlain by the Three Forks Group and conformably overlays the Manitoba Group carbonates. It is equivalent to the upper Beaverhill Lake Formation, the Woodbend Group and the lower part of the Winterburn Group in central Alberta, and with the Jefferson Group in Montana and North Dakota.
The rim of Malapert forms an irregular ring of peaks around the interior floor. The western side of the rim is overlain by what appear to be impact craters. There are also small craters overlying the southeastern rim. Much of the interior and details of the rim remain hidden by shadows.
The outer rim of Apollonius is somewhat worn and is overlain by a pair of small craters (including Apollonius E) across the western wall. The nearly flat interior floor has a low albedo and has been covered by lava. It lacks a central peak or notable small craters across the bottom.
The Haskard Group and Turnpike Bluff Group rest unconformably on the Archean- Middle Proterozoic Shackleton Range Metamorphic Complex. The Ordovician-Early Devonian Blaiklock Glacier Group (475 Ma) also unconformably overlies the Shackleton Range Metamorphic Complex. This group is composed of sandstones and conglomerates, and is unconformably overlain by the Beacon Supergroup.
The Chandler Bridge Formation is a geologic formation in South Carolina. It preserves fossils dating back to the Chattian (Late Oligocene) of the Paleogene period, corresponding to the Arikareean in the NALMA classification.Chandler Bridge Formation at Fossilworks.org The formation overlies the Ashley Formation and is overlain by the Edisto Formation.
At this location due to Paleogene uplift, it is uncomfortably overlain by the Lutetian Ikharkút Conglomerate. In the upper levels of the formation, there are sandstone lens beds present, which represent channel bodies. These are indicative of an anastomosing fluvial system. The exposure at this locality is between 100–150 m.
An angular unconformity separates weathered basement rock from the Merkys Formation fanglomerates, formed in the Neoproterozoic. Salica Formation arkose and siltstone overlies these units, overlain in the east by the Kieva Formation with siltstone, clay and sandstone. Sedimentary rocks up to 2.3 kilometers thick define the entire Phanerozoic rock record.
At a later stage these were overlain with in-situ concrete slabs, which in turn have deteriorated over the years. The revetment was increasing vulnerable to wave action so has been strengthened by filling existing holes in the concrete with lean sand asphalt (LSA) and overlaying with open stone asphalt (OSA).
MESSENGER NAC mosaic of Murasaki crater. Much of Murasaki is overlain by ejecta, impact melt, and secondary craters from the Kuiper impact. Murasaki is a crater on Mercury located at 12 S, 31 W. It is 132 km in diameter. It was named after 10th-11th century Japanese writer Murasaki Shikibu.
Copmanthorpe lies 4 miles south-west of York city centre. The village lies on glacial moraine of sandstone overlain with boulder clay. The highest point of the village is on Top Lane at 81 feet above sea level. The village has two greens, Low Green and the smaller Memorial Green.
These sequences then pass up into the sandstones of the Abu Thora Formation. In the northern Gulf, at Wadi Araba, the early Carboniferous is overlain by upper Carboniferous of the Rod e Hamal, Abu Darag and Ahmeir Formations. In the southern Gulf the Carboniferous strata are capped by Permian volcanics.
The Santa Cruz Mudstone is a geologic formation in California. The siliceous organic mudstones of the formation were deposited in deep water and fluvial environments. The formation overlies the Santa Margarita Sandstone and is overlain by the Purisima Formation. The Santa Cruz Mudstone was formerly considered part of the Monterey Formation.
The Mugher Mudstone is a geologic formation located in Ethiopia. It dates to the Tithonian stage of the Late Jurassic. The lithology consists of gypsum, dolomite and shale alternations at the base, overlain by mudstone intercalated with fine to medium grained sandstone. Indeterminate dromaeosaurid teeth are known from the formation.
Nightingale Island is the heavily eroded remnant of a volcano that was once much larger. The oldest potassium–argon dating from the island is 18 ± 4 Ma. The youngest volcanic activity on the island is indirectly dated to 39,160 uncalibrated years BP by radiocarbon dates on peat overlain by volcanic tuff.
The Gething Formation is the uppermost unit of the Bullhead Group. It conformably overlies the Cadomin Formation and is disconformably overlain by the Bluesky Formation. It is correlated with the Gladstone Formation in the southern foothills, and is equivalent in age to the McMurray Formation that contains the Athabasca Oil Sands.
The formation is overlain by the Menefee Formation. The Point Lookout Sandstone was deposited in the Cretaceous Interior Seaway, as part of a regressive sequence as the seaway was receding. It is transitional between the marine environment of the underlying Mancos and the coastal plain environment of the overlying Menefee Formation.
The Hollebeke Formation is present in Rocky Mountains of southeastern British Columbia and southwestern Alberta, west of the Lewis Thrust Fault and south of about 50°N latitude. It unconformably overlies Ordovician or Cambrian formations, or the late Precambrian Purcell Supergroup, depending on the location. It is overlain by the Borsato Formation.
In ascending order, the Unkar Group is overlain by the Nankoweap Formation, about thick; the Chuar Group, about thick; and the Sixtymile Formation, about thick. These are all of the units of the Grand Canyon Supergroup.Hendricks, JD, and GM Stevenson (2003) Grand Canyon Supergroup: Unkar Group. In SS Beus and M Morales, eds.
Clear schistosity can be observed. The diamictite found implies a source of glacial origin. It is probably correlated to the glaciation event of the Gondwana supercontinent during the Late Paleozoic. The Diuri Formation is then overlain by the Setikhola Formation, which is characterized by feldspathic sandstone, shale, graywacke, coal lenses and plant fossils.
The Consuelo Formation was described by Bermúdez in 1950 based on a section of marls in the Consuelo El Tejar quarry in La Habana Province.Gutiérrez Domech, 1969, p.32 The formation overlies the Príncipe and Capdevila Formations with an unconformity,Gutiérrez Domech, 1969, p.33 and is overlain by the Tinguaro Formation.
It is the lowermost unit in the Marree Subgroup, overlying the Cadna-owie Formation and is overlain by the Coorikiana Sandstone. The formation dates to the Aptian to Albian stages of the Early Cretaceous.Bulldog Shale at Fossilworks.org The Bulldog Shale is composed of finely laminated carbonaceous and pyritic mudstone and claystone beds.
In the Cautley and Dent inliers, rocks of the Dent Group occur in two fault bounded strips next to the Dent Fault. In these inliers, calcareous mudstones of the Cautley Mudstone Formation are overlain by the Ashgill Formation. The Cautley Volcanic Member is a unit of volcaniclastic rocks, within the Cautley Mudstone Formation.
The Une Formation, part of the Villeta Group, overlies the Fómeque Formation and is overlain by the Chipaque Formation. The age has been estimated to be Albian-Cenomanian. Stratigraphically, the formation is time equivalent with the Simijaca, Aguardiente, Caballos and Pacho Formations. The formation has been deposited in a near shore deltaic environment.
The Rya Formation is a geologic formation in Skåne County, southern Sweden. It is Early to early Middle Jurassic (early Sinemurian to late Aalenian) in age. The Rya Formation comprises siltstones, claystones, sandstones, mudstones and rare coal beds. The formation overlies the Höganäs Formation and is overlain by the Vilhelmsfält and Mariedal Formations.
The Trincheras Formation is the lowermost unit of the Villeta Group,Acosta & Ulloa, 2001, p.22 and conformably overlies the Murca, La Naveta and Útica Formations. The formation is overlain in a transitional pattern by the Socotá and El Peñón Formations. The Trincheras Formation is subdivided into the El Tigre and Anapoima Members.
The Usme Formation unconformably overlies the Regadera Formation and is overlain by the Tilatá Formation.Guerrero Uscátegui, 1992, p.6 The age has been estimated, based on palynological data, to be Late Eocene to Early Oligocene. The depositional environment has been interpreted as marine with the upper part deposited in a deltaic setting.
Silurian calcareous shales from the Canberra Formation is overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains". Greywacke from the Ordovician age Pittman Formation is in the north west.Henderson G A M and Matveev G, Geology of Canberra, Queanbeyan and Environs 1:50000 1980.
The Ungava Peninsula, situated on the northeast portion of the Canadian Shield, is where the Rae Province connects with the Superior Province. The area is composed of Archean rocks (ca. 2.7-2.9 Ga) from the Douglas Harbour Domain (see Superior craton). The Rae Craton Archean rocks are overlain by Paleoproterozoic supracrustal sequences (ca.
The Pakowki Formation is abruptly overlain by the Milk River Formation and gradationally overlays the Judith River Formation or Foremost Formation. It is equivalent to the upper part of the Lea Park Formation in central Alberta. It is not differentiated from the Riding Mountain Formation to the east into eastern Saskatchewan and Manitoba.
33Plancha 120, 2010 The formation is divided into the Lutitas Negras Inferiores, Arcillolitas Abigarradas and Arcillolitas con Nódulos Huecos Members, and stretches across from northeast to southwest. The Paja Formation overlies the Ritoque and Rosablanca Formations and is overlain by the Simití and Tablazo Formations and dates from the Hauterivian to Late Aptian.
The formation comprises marine shales and limestones. The thick Jagua Vieja Member consists of black shales and horizontally laminated marly micritic to biomicritic limestones. The latter contains calcareous concretions which the fossils are found in.Iturralde Vinent & Norell, 1996 The formation overlies the San Cayetano Formation and is overlain by the Guasasa Formation.
The Flin Flon – Snow Lake greenstone belt is 250 km long by 75 km wide and is exposed just north of McClarty Lake. The belt is bounded by metasedimentary gneisses and metavolcanics of the Kisseynew Domain to the north and extends to the south where it is unconformably overlain by Ordovician age dolomite.
The Gladstone Formation rests conformably on the Cadomin Formation. It is overlain by the Beaver Mines Formation in the south, and by the Moosebar Formation in the north. It is equivalent to the Gething Formation of northeastern British Columbia. The upper calcareous portion is equivalent to the Ostracod Beds of the Alberta plains.
The Elk Formation is the uppermost unit of the Kootenay Group. It gradationally and conformably overlies the Mist Mountain Formation. It is disconformably overlain by the Cadomin Formation and to the east it was truncated by pre- Cadomin erosion. To the north Elk strata may correlate with part of the Nikanassin Formation.
The Lake Valley Limestone consists of gray cherty limestone with thin shale beds. It overlies the Caballero Formation and is overlain by Pennsylvanian beds. The total thickness is .Laudon and Bowsher 1941 Members of the formation, in ascending stratigraphic order, are the Andrecito, Alamogordo, Nunn, Tierra Blanca, Arcente, and Dona Ana Members.
The geology of Nigeria includes large areas where Precambrian basement rocks are present at the ground surface, and other large areas where the basement rocks are overlain by younger sedimentary rocks.Tijani M, Crane E, Upton K, Ó Dochartaigh BÉ and Bellwood-Howard I (2018). Africa Groundwater Atlas: Hydrogeology of Nigeria. British Geological Survey.
Geochemical Journal, 41, 201-211 The Yilanli is a dolomitic limestone unit with calcareous black and gray shales. It was deposited in a shallow marine passive margin setting. It is conformably overlain by the Alacaagzi Formation, and has accumulated over 1000 m of sediment. The Alacaagzi Formation contains economic deposits of coal.
Lower surfaces are creamy brown to cream or white. The upper surfaces of the body and head and the upper sides are overlain with dusky grey shading with dark, almost black, blotches and stripes. Gill covers are translucent with a golden patch. The iris is coppery gold and the fins are translucent.
The formation consists of dark gray deep marine limestone interbedded with shale and sandstone interpreted as turbidites.Mazullo 1995 The total thickness is about . The base of the formation is largely concealed in the subsurface, and the formation is overlain by the Cutoff Shale. The formation grades laterally into the Victorio Peak Formation.
2019 In some locations, there is minor quartz-pebble conglomerate at the base of the formation, which lies on the Tucumcari ShaleDobrovonly et al. 1947 or Glencairn Formation. It is overlain by the Pajarito Formation and has a thickness of up to . The formation was laid down in a low-accommodation deltaic environment.
The Laguna Palacios Formation is a Maastrichtian geologic formation of the Chubut Group in the Golfo San Jorge Basin in Patagonia, Argentina. The formation partly overlies and partly is laterally equivalent to the Lago Colhué Huapí Formation and is overlain by the Salamanca Formation of the Río Chico Group.Casal et al., 2015, p.
The Late Cretaceous strata is overlain by basaltic lavas ranging in age from Pliocene to Quaternary. The Quaternary volcanic rocks form volcanic cones.Kos’ko, M.K., B.G. Lopatin, and V.G. Ganelin, 1990, Major geological features of the islands of the East Siberian and Chukchi Seas and the Northern Coast of Chukotka. Marine Geology. vol.
Dore Holm For its size, Shetland has a complex geology.Con (2003) pp. 90-91 The base is a platform of Lewisian gneiss overlain with the East Mainland Succession of metamorphic rock, some of Dalriadan age. Basins of Old Red Sandstone and volcanic intrusions of a later date have formed in this metamorphic cover.
The oldest sedimentary rocks in the Baltic Sea area that are not metamorphosed are Jotnian orthoquartzite, siltstones and conglomerates. Jotnian sediments are scattered.Usaityte, 2000, p. 153 In the south and east of the Baltic crystalline shield the rocks are overlain by an extensive sedimentary cover that constitutes part of the East European platform.
The geology. In: Currie, P.J. and Koppelhus, E.B. (eds), Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington and Indianapolis, p. 54-82. . The bottom of the formation typically consists of a basal sandstone unit overlain by the interbedded coal seams, carbonaceous shales and mudstones of the Mackay coal zone.
The formation consists mostly of gray red to red or mottled gray green mudstone containing limestone nodules. About 25% of the formation is massive fine-grained laminar gray red sandstone. It rests conformably on the Santa Rosa Formation, and is overlain disconformably by the Trujillo Formation. The total thickness of the formation is .
The Yorkshire Dales National Park is formed principally from sandstones, mudstones and limestones of Carboniferous age though includes Silurian sandstones and shales in the Howgill Fells in the northwest part of the park. The geological succession of the Yorkshire Dales is that of Carboniferous Limestone, overlain by the Yoredale Series which is in turn overlain by the Millstone Grit. The V-profile river valleys that had been cut into this upland area during the previous tens of millions of years were modified by widespread glaciation during successive Quaternary ice ages resulting in the present day landforms. Extensive development of karst resulted in England's greatest concentration of limestone pavements and cave systems including the Three Counties System, which is the UK's longest at over 86km.
Here, it is overlain by younger rocks at San Marcos Pass, on the crest of the Santa Ynez Range, cropping out west of the pass and forming much of the crest north of Goleta. It disappears north of the Santa Ynez Mountains beneath younger formations, and is removed, for the most part, by erosion north of the Santa Ynez River, where it appears at only a few localities. It grades into and is overlain by the Sacate Formation in the western part of its outcrop belt, and dips south beneath the modern California coastal plain in the southern part. Continuing south into the offshore region beneath the Santa Barbara Channel, the Cozy Dell is found in oil wells at Molino field some feet below the sea floor.
The Sangamonian Stage, originally the Sangamon interglacial stage, is defined on the basis of the Sangamon Soil, a paleosol, which is developed in contemporaneous colluvium and older glacial tills and loesses and overlain by Wisconsinan loesses or tills. Although originally described from water wells in northwestern Sangamon County, Illinois, the current type sections for the Sangamon Stage are the Rochester section in eastern Sangamon County and the Chapman section in Morgan County, Illinois. In the Rochester Section, the Sangamon Soil is developed in Sangamonian colluvial sediments, called “accretion gley”, that accumulated contemporaneously with the development of the Sangamon Soil. In the Rochester section, the Sangamon Soil is developed directly in Illinoian glacial till and overlain by Roxana Silt, the oldest of the two regional Wisconsinan loesses.
The formation, nine to eleven metres thick in total, contains two subdivisions, the Svarvare Mudstone Member, two to three metres thick, which is overlain by the Gannarve Siltstone Member, seven to eight metres in thickness. (This is also known as the Silte Siltstone, but does not form part of the Slite Group.) The water depth was decreasing as the Gannarve member was deposited, so the member shows evidence of shallowing up. The formation is overlain with an oolite, which rests unconformably on an erosion surface – a sequence boundary – created at a time of low sea level. This erosional surface formed a flat – a rocky shore which was inundated by the sea at times, but was also subject to subaerial rainfall.
The Red River Formation is slightly unconformably overlain by the Stony Mountain Formation and sharply overlays the Winnipeg Formation in Manitoba, the Deadwood Formation in western Saskatchewan and the Canadian Shield in northern Manitoba. The lower Red River Formation is equivalent to the Yeoman Formation, while the Fort Garry Member correlates with the Herald Formation.
Lamarck is a crater in the southwestern part of the Moon. The northern portion of the crater is overlain by the walled plain Darwin. To the southeast is Byrgius. The outer wall of this formation has been heavily damaged by subsequent impacts, leaving a disintegrated rim that forms a low, irregular ridge in the surface.
Lehman (1994) advocated a simplified stratigraphy of up to five geologic formations. The basal unit is the Santa Rosa Sandstone, a braided stream channel-related facies. The Santa Rosa is overlain by the Tecovas Formation, which is dominated by overbank (distal floodplain) deposits with lenses of channel-deposits. Minor lacustrine deposits are also occurring.
The Ordovician rocks comprise flaggy shales, limestones, red quartzites, quartzites, sandstones and conglomerates. Siliceous limestones belonging to the Silurian overlie the Ordovician rocks. These limestones are in turn overlain by white quartzite and this is known as Muth quartzite. Silurian rocks which contain typical Silurian fauna are also found in the Vihi district of Kashmir.
The Clearwater Formation is part of the Mannville Group. It is conformably overlain by the Grand Rapids Formation and conformably overlies the McMurray Formation. It is equivalent to the Bluesky Formation and the lower Spirit River Formation in the Peace River region, and may be equivalent to the Cummings Member in the Lloydminster region.
The bedrock of the park is basalt formed by volcanic activity 1.1 billion years ago. This is overlain by a thick layer of glacial debris. During the Wisconsin glaciation 16,000 years ago, a small glacial lobe branched northeast off the Des Moines Lobe, blocking drainage from farther north. Water backed up into Glacial Lake Grantsburg.
Mount Greylock and the neighboring Taconic Mountains are comprised predominately of Ordovician phyllite, a metamorphic rock, overlain on younger layers of metamorphosed sedimentary rock, especially marble. Mount Greylock is the product of thrust- faulting, a tectonic process by which older rock is thrust up and above younger rock during periods of intense mountain building.
Autostar Suite Astronomer Edition. CD-ROM. Meade, April 2006. The outer rim of Nearch has been worn by smaller impacts, and is overlain by a few more significant craters along the eastern rim. The most notable of these is Nearch A, a 43-kilometer-diameter crater that intrudes into the southeastern rim of Nearch.
The geology of Anguilla consists of Lesser Antilles island arc volcanic rocks overlain by Oligocene, Miocene and Pliocene reef limestone. Older tuff and basalt outcrops in only two places on the island, which are tilted. During the Pliocene and Pleistocene, the underlying Anguilla Bank likely connected Saint Bartholomew and Saint Martin as one island.
The Finlayson Lake district preserves the Slide Mountain Terrane which has chert, greenstone, phyllite, conglomerate and metavolcanic rocks in the Fortin Creek Group overlain by chert, limestone, argillite and quartzite as well as gabbro and ultramafic rocks. Eclogite from 270 million years provides evidence that the Slide Mountain Terrane subducted beneath the Yukon-Tanana Terrane.
In the Tauglboden Basin the Ruhpolding Formation is followed by the Tauglboden Formation of Kimmeridgian and lower Tithonian age. In the Sillenkopf Basin of the southern Tirolic Unit the Ruhpolding Formation is underlain by the Strubberg Formation and overlain by the Sillenkopf Formation which was deposited at the same time as the Tauglboden Formation.
The Golden Valley Formation is present as a series of outliers in western North Dakota. It is underlain by the Sentinel Butte Formation and unconformably overlain by the White River Group. It reaches thicknesses of up to and is subdivided into two members: the Bear Den Member (lower) and the Camels Butte Member (upper).
Cliff of sedimentary rock layers at Doles sala The geology of Latvia includes an ancient Archean and Proterozoic crystalline basement overlain with Neoproterozoic volcanic rocks and numerous sedimentary rock sequences from the Paleozoic, some from the Mesozoic and many from the recent Quaternary past. Latvia is a country in the Baltic region of Northern Europe.
Extensional faults were reactivated during the Eocene Alpine orogeny. The Ionian Zone is thrust westward over the Preapulian Zone and overlain by molasse facies. The Gavrovo-Tripolis Zone underlies Crete, the Dodecanese islands and much of the western mainland. Bauxites indicate a dry time in the Eocene and Oligocene flysch unconformably overlies older carbonates.
7, pp. 901–919. Except for the Derevyannye Hills, Pleistocene sediments blanket almost the entire surface of New Siberia Island. These deposits consist of layers of marine sediments overlain by terrestrial sediments. The lower marine sediments are composed of three superimposed beds of marine to brackish water clay containing fossil mollusks and capped with peat.
The massif consists of a basement formed by Cambro- Ordovician rocks, overlain by the Middle Silurian Sierra Grande Formation. The early Paleozoic section is covered by metamorphic and igneous complexes; the Permian Pailemán and Navarrete Plutonic Complexes,González et al., 2014, p.175 and the unconformably overlying Early to Middle Jurassic Marifil Volcanic Complex.
The formation is composed of massive gray limestone with a few thin beds of brown sandstone, with a total thickness of . It is exposed in the Finlay Mountains (), the Sierra de Juarez,Kottlowski 1973 and the Cerro de Cristo Rey uplift (). The formation overlies the Cox Sandstone and is overlain by the Del Norte Formation.
The outer wall is completely overlain by the crater pair formed by crater Dawson across the northwest rim and Dawson D on the northern rim. The southern rim is somewhat more heavily marked by gouges and irregularities in the surface, compared to the northeast rim. On the floor are a number of tiny craterlets.
The Angostura Colorada Formation was defined by Volkhaimer in 1973 and unconformably overlies the Late Triassic volcanics of the Sañicó Formation. The formation is partly overlain by the Huitrera and Collón Cura Formations,Prez & Massaferro, 2013, p.223 and in other parts by the Coli Toro Member of the Los Alamitos Formation.Ottone, 2009, p.
Urbani & Mendi, 2010, p.17 The Castillo Formation is overlain by Quaternary alluvium and in places by the Capadare Formation.Urbani & Mendi, 2010, p.19 The formation, deposited in a calm near- shore lagoonal brackish environment, with possibly fluvial influence, has provided a rich assemblage of fossil crocodylians, turtles, giant sloths and various types of fish.
The islands are of volcanic origin with basement rocks forming between the late Cretaceous and early Eocene. Tectonic movements raised the seabed to allow coral building. The whole Rennell area is thought to have been initially deposited as coralline algal limestone and then dolotomized. This dolomitic reef complex is overlain by younger undolotomized reef limestone.
This crater is overlain by part of the ray system radiating from Larmor Q to the northwest. The rim of Dante is circular but somewhat eroded. The fresh crater Dante G is attached to the exterior along the east-southeastern rim. The interior floor of this crater is uneven and marked by several small impacts.
The Messoyakha reservoir is located underneath the gas hydrate where it is believed that the depressurization of the reservoir due to conventional gas production led to the depressurization and dissociation of gas from the hydrates. The Messoyakha gas field is enclosed in an anticlinal structure trap and is overlain by a thick permafrost zone.
In the northern part, the Glen Rose is laterally continuous with the Paluxy Formation.Sellards, pp. 320-321. The Glen Rose overlies the Hensel Sand and is overlain in turn by formations of the Fredericksburg division. In 1974, Keith Young concluded, based on ammonite zonation, that the formation ranges from late Upper Aptian into the Lower Albian,Young p. 175.
Montgolfier is a worn lunar impact crater that is located in the northern hemisphere of the Moon's far side. To the east-northeast is the crater Paraskevopoulos, and southwest of Montgolfier lies Schneller. Due south is the smaller Woltjer. The entire southern rim of this crater has been overlain by a cluster of four smaller craters.
National Geographic Magazine, 92: 429-522. Cape Hordern is an ice- free cape, overlain by morainic drift, at the western end of the Bunger Hills. It was first observed by members of the western party of the Australian Antarctic Expedition (1911-1914), who were unable to reach it due to heavy crevassing on the Denman and Scott Glaciers.
This chain is designated Catena Kurchatov. This is a roughly circular, bowl-shaped crater with a slight outward bulge along the western face. Although worn, the rim edge remains well-defined and is not overlain by any significant impacts. The interior floor is about half the crater diameter, and there are only a few tiny craterlets marking the surface.
The basin is situated within a topographic high, known as the Somaliland escarpment and is filled with up to three kilometers of Late Cretaceous and Cenozoic sedimentary rocks. In places within the basin, the Late Cretaceous Jesomma sandstone is overlain by the eroded remnants of the Eocene Taleh Anhydrite. The basin contains shale, limestone, mudstone, sandstone and evaporite.
The Green Ammonite Member is up to 31 metres thick predominantly consists of medium grey mudstones, with 3 limestone horizons, Lower Limestone; Red Band, and Upper Limestone, it is conformably overlain by the Dyrham Formation in some areas, but in the Charmouth area there is an erosive unconformable boundary with the much younger Albian aged Gault clays.
Specific lava flows normally extend over and reach a thickness of . But in some areas, lava flows reach thicknesses of . A number of pillow lava and pillow breccia deposits are exposed throughout the Chilcotin Group. Pyroclastic fall deposits, composed of lapilli, were erupted from volcanoes in the Pemberton Belt and are overlain by subsequent basaltic lava flows.
Attached to the northern rim is the lesser crater Lehmann, and to the northeast is the even smaller Drebbel. Southwest of Schickard is Wargentin, a lava-flooded plateau. Schickard has a worn rim that is overlain in several locations by smaller impact craters. The most prominent of these is the irregular Schickard E across the southeastern rim.
The UK Centre for Ecology & Hydrology, (part of UK's Natural Environment Research Council, NERC) describes the catchment area thus: "Headwaters are steep; lower valley is broad and very flat. Bedrock extrusive igneous rocks, 50% overlain by superficial deposits. Land use arable in the valley; grassland in headwaters, some forest." The catchment covers an area of 181 km2.
Satellite craters Nonius is a lunar impact crater. It is located in the rugged southern highlands on the Moon's near side. It was named after 16th century Portuguese mathematician Pedro Nunes, Latinized as Nonius. The northwestern side and about half the interior floor are overlain by the rim and outer rampart of the walled plain Walther.
The Röt Formation or Rötton Formation (German for Röt Shale) is a geologic formation of the Buntsandstein in Germany. It preserves fossils dating back to the Middle Triassic period (Anisian or Aegean or Bithynian in the regional stratigraphy).Röt Formation at Fossilworks.org The formation overlies the Plattenstein and Solling Formations and is overlain by the Jena Formation.
Bedford Shale is found in Crawford County, Pennsylvania, where it is also known as "Hayfield limestone". It is extremely lenticular and highly localized, and gray to bluish-gray in color. It is frequently interbedded with ripple marked siltstone, and contains a few thin siliceous limestone layers. It overlays the Cussewago Sandstone and is overlain by the Berea Sandstone.
The wings could be folded for transport. The fuselage of the NiD 940 was also a steel tube structure, flat-sided and short, not reaching the wing trailing edge. It was covered with tulipwood plywood overlain with fabric. A well glazed cabin provided two side-by-side seats, with room for a third seat and baggage space behind them.
The Hondita Formation is the lowermost unit of the Güagüaquí Group. It is overlain by the Loma Gorda Formation and its base has not been observed. The age has been estimated on the basis of ammonites to be Turonian. Stratigraphically, the formation is time equivalent with the lower parts of the Chipaque, La Luna and La Frontera Formations.
The overlying Lower Anhydrite Member consists of microcrystalline anhydrite with minor beds of fine- to medium-crystalline dolomite. The Zama Member at the center consists of fragmental carbonate, and is overlain by the Upper Anhydrite which consists of interbedded microcrystalline anhydrite and fine- to medium-crystalline dolomite. The Bistcho Member at the top is a fragmental carbonate unit.
The Muskeg Formation is disconformably overlain by the Watt Mountain Formation and conformably underlain by the Keg River Formation. It is correlated with the Pine Point Formation, Presqu'ile Formation and Sulphur Point Formation. It grades into the halite-rich Prairie Evaporite Formation to the southeast through a decrease in its anhydrite content and an increase in its halite content.
The Fernie Formation is conformably overlain by the Morrissey Formation in the south, by the Nikanassin Formation in central Alberta and by the Monteith Formation in northeastern British Columbia. It rests disconformably on Triassic units in the west, and unconformably on upper Paleozoic units such as the Schooler Creek Group and the Montney Formation farther east.
Eupithecia hohokamae is a moth in the family Geometridae first described by Frederick H. Rindge in 1963. It is found in the United States in southern Arizona and California. The length of the forewings is 11–12 mm for males and 10–12 mm for females. The forewings are pale gray, overlain with grayish brown and blackish-brown scales.
Eupithecia phyllisae is a moth in the family Geometridae first described by Rindge in 1963. It is found in the US states of New Mexico and Arizona. The length of the forewings is 7-8.5 mm for males and 7–9 mm for females. The forewing ground color is pale grayish white, heavily overlain with pale reddish-brown scales.
Thistle Island has a crystalline basement overlain by calcareous aeolianite. There are steep cliffs of calcareous aeolianite on the shore. There are recent beach sands on the eastern side, and several small lakes exist on the other sided of a strip of coastal dunes. Albatross Island, a tiny island predominantly crystalline basement with a thin layer of calcareous aeolianite.
Whiteless Pike has a small peaked summit overlain with loose stones and bearing a cairn. The steep slopes add foreground to the view, which includes a fine prospect of the Scafells. The Helvellyn range and Western Fells are well seen, with the rather drab close-up of Grasmoor perhaps the only disappointment. Buttermere, Crummock and Loweswater complete the view.
The Palliser Formation is disconformably overlain by the Exshaw Formation and conformably underlain by the Alexo Formation. It is equivalent to the Wabamun Group in central Alberta, to the middle part of the Three Forks Formation in Saskatchewan and Montana and to the Tetcho Formation and Kotcho Formation in the Fort Nelson area of British Columbia.
At its base the Thornhill Basin has a sequence of olivine basalt lavas with some interbedded breccia and sandstone, known as the Carron Basalt Formation. The lavas are overlain by either the Durisdeer Breccia Formation or the Locherben Breccia Formation. Both of these breccia formations pass laterally and upwards into aeolian sandstones of the Thornhill Sandstone Formation.
The Cooper Basin is a Permian-Triassic sedimentary geological basin in Australia. The basin is located mainly in the southwest part of Queensland and extends into north eastern South Australia. It is named after the Cooper Creek which is an ephemeral river that runs into Lake Eyre. For most of its extent, it is overlain by the Eromanga Basin.
The initial city was overlain by a second, and that by a third, hence Phylakopi I, II, III. The pottery section of the report was written by C.C. Edgar. By the time he finished writing in 1904, Evans was already at Knossos, and his topic was obsolete. The Mycenaean horizon seemed even further away than ever.
A minority of human images are shown with sexual characteristics, such as male genitalia or female breasts. A minority of human and animal images are overlain with depictions of projectiles (presumably arrows or atlatl darts). The images are essentially silhouettes, without representational details inside their outlines. Instead, geometrical patterns such as stripes or bands of different colors are used.
The tuff is well bedded with numerous plankton fossils. Geologists have inferred that the rock formed during the Oligocene and is overlain by the Tagpochau Limestone. The Donni Sandstone Member of the Tagpochau Limestone is informally known as the Donni formation. It is exposed near the village of I Donni and throughout the eastern end of the island.
Both the northern and southern ends of Vogel's rim are interrupted by smaller craters. Vogel B to the north is overlain in turn along its northern rim by an even smaller crater, thus forming a cluster of interconnected craters with Vogel being the largest. The rim of Vogel is otherwise relatively intact and not significantly worn.
The geology of Quebec involves several different geologic provinces, made up of ancient Precambrian crystalline igneous and metamorphic rock, overlain by younger sedimentary rocks and soils. Most of southern Quebec is dominated by the Grenville Province, while the vast north is divided between the large Superior Province and the Churchill Province to the east, near Labrador.
The Stoddart Group is overlain by the Ishbel Group in the foothills and the Prophet Formation in the northern plains; it conformably overlays the Debolt Formation. It can be correlated with the Tunnel Mountain Formation, the Kananaskis Formation, the Mattson Formation and the Mount Head Formation of the southern Canadian Rockies, and with the Amsden Formation in Montana.
The geology of Wyoming includes some of the oldest Archean rocks in North America, overlain by thick marine and terrestrial sediments formed during the Paleozoic, Mesozoic and Cenozoic, including oil, gas and coal deposits. Throughout its geologic history, Wyoming has been uplifted several times during the formation of the Rocky Mountains, which produced complicated faulting that traps hydrocarbons.
Certain areas are overlain by the Utica Shale, roughly thick in some areas. At Wintergreen Park, the Utica Shale is a black and thinly laminated with bentonite. The occurrence of bentonite shows that volcanic ash once fell in that area or nearby. Between here and the mouth, certain sections contain fossils, including trilobites, brachiopods and graptolites.
The crater Weigel B, actually slightly larger than Weigel, is attached to the southwestern exterior. This satellite crater is overlain by multiple impacts along its northern and western rim. The inner walls of Weigel have only some minor irregularities, and generally slope straight down to the bottom. The interior floor is a level, nearly featureless plain.
The "Highland Flutes" lie between the moraine and the lake; the "Toimi Drumlin Field" is on the far side of the moraine, just west of the highlands. The North Shore Highlands therefore are composed of mafic outcroppings and volcanic ridges along the lakeshore overlain in places by a ground moraine, and an inland glacial moraine paralleling that shoreline.
The solid geology of St Philip's Marsh comprises Triassic Redcliffe Sandstone in the east, and Triassic mudstone and halite-stone of the Mercia Mudstone Group to the west. The solid geology is overlain by Quaternary Tidal Flat Deposits of silt and clay,, Geology of Britain Viewer. which are in turn covered by deep deposits of made ground.
In the east calcareous Shales from the Canberra Formation is overlain by Quaternary alluvium. This rock is the limestone in the original name of Canberra "Limestone Plains". The Narrabundah Ashstone is part of this formation and can be seen in the easternmost corner. In the higher west including Mount Pleasant is grey quartz andesite from the Ainslie Volcanics.
This sequence consists of the Appleby Group, dominantly sandstones, and the Cumbrian Coast Group consisting mainly of siltstones and dolomites overlain by evaporites and red shales (locally with the development of halite). On the western edge of the Lake District and in the Vale of Eden the Appleby Group includes thick breccias, known as the Brockram.
The Arroyo Ojito Formation is composed of sediments deposited from streams draining the Sierra Nacimiento, San Juan Basin, and southeastern Colorado Plateau. These are mostly moderately to poorly sorted arkosic sandstone, mudstone, and conglomerate. The upper beds are coarse and more poorly sorted. The formation rests on the Cerro Conejo Formation and is unconformably overlain by the Ceja Formation.
It has a southern and northern entrance. The minaret is small and has a narrow base with no ornamental markings. There are outer and inner prayer areas. The mosque has undergone a number of renovations in its history, resulting in its roof being overlain with corrugated metal and concrete block pathways being created for the open prayer area.
Various subdivision schemes have been proposed for the Cura-Mallín unit since the 1980s. In 1983, Niemeyer and Muñoz identified two members; the Río Queuco Member, overlain by the Malla Malla Member. In two publications published in 1995 and 1997, Suárez and Emperan divided Cura-Mallín Formation in two diachronous members: Guapitrío and Río Pedregoso. Utgé et al.
The Harwich Formation is a geological formation found in the London Basin of southeastern England. It is Ypresian (early Eocene) in age. It lies unconformably on the Lambeth Group over most of its extent, but may overlie either the Thanet Formation or the Chalk Group to the south. It is overlain by the London Clay Formation.
Gamow is a large lunar impact crater on the far side of the Moon. It is located in the northern hemisphere, to the southeast of the walled plain Schwarzschild. The crater is named after the Russian-American physicist George Gamow. This is a worn and eroded feature, with a rim that has been battered and overlain by multiple impacts.
The Red Wing Creek structure shows up well in seismic studies. The underlying Ordovician rocks are overlain by disturbed Devonian and Mississippian rocks. The structural disturbance is filled by thick rocks of Jurassic age, suggesting that the impact took place during the Triassic. Shell Oil Company drilled exploratory wells on the Red Wing Creek structure in 1965 and 1968.
The formation consists of highly fossiliferous gray shale and buff calcareous sandstone with some limestone nodules. It overlies the Morrison Formation and is overlain by the Mesa Rica Sandstone. The formation is interpreted as marine shales deposited during the Kiowa-Skull Creek transgression.Holbrook and Wright Dunbar 1992 It is likely the lateral equivalent of the Glencairn Formation.
The formation is divided into two informal members. The lower member is mostly calcareous shale with some interbedded fine sandstone and nodular limestone, while the upper member is fossiliferous medium-gray limestone interbedded with tan shale. The two sections are and thick. The formation lies conformably on the Finlay Limestone and is conformably overlain by the Smeltertown Formation.
Veiga et al., 2011, p.174 The Lotena Formation is overlain by the La Manga Formation and overlies the Lajas Formation of the Cuyo Group.Veiga et al., 2011, p.178 Initially, the fossil find of the pterosaur Herbstosaurus pigmaeus was reported from the formation,Wellnhofer, 1991, p.81 but this fossil was found in the younger Vaca Muerta.
The Rundle Group is disconformably overlain by the Rocky Mountain Formation in the front ranges of the Canadian Rockies and by the Fernie Formation in the foothills and by Cretaceous beds in the prairies. It conformably overlies the Banff Formation. The Rundle Group can be correlated with the Mission Canyon Formation in southern Saskatchewan, northeastern Montana and North Dakota.
The La Jolla Group is a group of geologic formations in coastal southwestern San Diego County, Southern California. Its locations include the coastal La Jolla San Diego region. The formation preserves fossils dating back to the Cretaceous period. The Cretaceous aged formations of the La Jolla Group include the Point Loma Formation overlain by the Cabrillo Formation.
The site is in the Forest of Dean near Longhope in west Gloucestershire. The site is of particular importance for research of late Silurian rocks in the southern Welsh Borders region. The rock exposures show extensive and continuous section through the Lower and Upper Longhope Beds of the Ludfordian. These beds are overlain by Clifford's Mesne Sandstone.
The Ilfracombe Slates are overlain in turn by the Morte Slates Formation of Frasnian to Famennian age. Extending east from Challacombe, the slates provide much of the high ground south of the B3358 road through Simonsbath and Exford including Setta Barrow and form the Brendon Hills before extending to the easternmost extremity of the park at Elworthy.
The Baldy Hill Formation is a dark purple, reddish brown, or greenish gray silty to sandy mudstone with some fine-grained sandstone. Its base is not exposed at the type section, but it is at least . It is overlain by the Travesser Formation, with the contact marked by the Cobert Canyon Sandstone Bed, a persistent layer of conglomerate beds.
The Neumayer Channel Tectonic Block is bounded by the Neumayer Fault and the Fournier Fault, which are parallel SW-NE trending strike-slip faults. The block consists of an Early Tertiary granite-granodiorite pluton intruded by a system of Early of Late Tertiary vertical dykes. These intrusive rocks are overlain by basaltic- trachyandesitic lavas and tuffs.
Solimana together with Ampato and Coropuna form the Cordillera Ampato. The basement dates back to the Precambrian-Paleozoic and is buried beneath several pre-Oligocene formations. The Tacaza formation forms a Miocene-Oligocene layer of volcanic and sedimentary rocks that are overlain by Quaternary volcanoes, which include the Barroso Group formation and the Pliocene Sencca formation.
The Spray Lakes Group comprises the quartzose sandstones of the Tunnel Mountain Formation and its equivalents in the lower part, and the dolomites and limestones of the Kananaskis Formation in the upper part. It is unconformably overlain by the Permian-age strata of the Ishbel Group, and underlain by the Late Mississippian strata of the Rundle Group.
The Qasr el Sagha Formationis a geological formation located in Egypt The formation is part of the Wadi El Hitan World Heritage Site. The Qasr el Sagha Formation overlies the Birket Qarun Formation and is overlain by the Gebel Qatrani Formation. The sandstones and shales of the formation were deposited in a deltaic to shallow marine environment.Gingerich et al.
The rim of Faraday has been significantly overlain by subsequent impacts, most notably by an overlapping pair across the southwest rim and a crater across the northwest rim. There is a low central ridge running from the southwest to the northeast, nearly dividing the crater floor in half. The floor is nearly flat in the northwest half.
The sandy floodplain above the Borovka valley contains creeks and oxbow lakes. The Buzuluk pine stand occupies a large hollow filled with sandy sediments of marine genesis overlain by alluvial sands. The depth of the sands reaches 90 meters. At some points the river banks are made of red sandstones, conglomerates and mudstones of the Permian and Lower Triassic.
Overlying the Selborne Group is the Chalk Group, a suite of limestones of Upper Cretaceous age which is formally divided into a lower/older Grey Chalk Subgroup (of Cenomanian age) and an upper/later White Chalk Subgroup (of Cenomanian to Campanian age). The Grey Chalk corresponds to the traditional Lower Chalk division and comprises 15-25m of the West Melbury Marly Chalk Formation overlain by 35-75m of the Zig Zag Chalk Formation. The White Chalk corresponds to the traditional Middle and Upper Chalk divisions and comprises up to 35m of the Holywell Nodular Chalk Formation, overlain successively by the New Pit Chalk, Lewes Nodular Chalk, Seaford Chalk, Newhaven Chalk, Culver Chalk and Portsdown Chalk formations. Each of these formations had 'member' status in earlier descriptions of the succession.
The Beaverhill Lake Group is conformably underlain by the formations of the Elk Point Group. In most areas it is conformably overlain by the formations of the Woodbend Group, and in northwestern Alberta and northeastern British Columbia it is disconformably overlain by the Muskwa Formation. It is equivalent to the Souris River Formation in southeastern Alberta, Saskatchewan and Manitoba, and to the Flume Formation of the Fairholme Group in the Canadian Rockies. According to D.L Griffin, it is equivalent to the Slave Point Formation and Waterways Formation in northeastern Alberta, with the Slave Point Formation and the lower Hay River Formation in the District of Mackenzie, as well as the Horn River Formation and Fort Simpson Formation northwest of the Slave Point-Keg River facies in northeastern British Columbia and the Northwest Territories.
Stricklin 1971. A stratigraphic column at the Mount Bonnell location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and then the Eagle Ford Group. Formations within the Trinity Group include the Hammett Formation, Cow Creek Formation, Hensel Formation, and Lower and Upper Glen Rose Formation.
The Flume Formation rests unconformably on formations of late Cambrian to Ordovician age or, in parts of the mountains and foothills, on the Middle Devonian Yahatinda Formation. It is conformably overlain by the reefs of the Cairn Formation, or where they are absent, by the Southesk Formation. It is equivalent in part to the upper Beaverhill Lake Group farther to the east.
The remainder of the film depicts his trial. Judge Gerry reads his sentence as per the court records, though omitting the two consecutive repeats of "dead." As Packer walks through the courthouse door, a blue glow emanates from behind it, the image freezes, and, in voiceover and overlain title cards, Pry briefly summarizes what happened to Packer after the trial.
Cechenena mirabilis is a moth of the family Sphingidae. It is known from the Himalayas in India. It differs from all other Cechenena species by the blue- green ground colour of the forewing upperside which is overlain by a dark green basal and median pattern. There is a H-shaped patch just distal to the small and indistinct pale discal spot.
Clementine mosaic Sniadecki is a lunar impact crater on the far side of the Moon. This is a circular, bowl-shaped feature that is not overlain by any significant impacts. However the larger satellite crater Sniadecki Q is attached to the southwestern outer rim and has disrupted the rim edge somewhat. There is also a small crater attached to the western outer rim.
Llyn Bodgylched has been designated as a SSSI for its biological interest. The lake is partially impounded by an embankment along its western shoreline and a dam at its southern end. The lake is set in a shallow basin in Precambrian rock of the Mona complex which has been overlain by boulder clay and there are alluvial deposits along the western shore.
Phalaenopsis philipipinensis is a pendent epiphyte. The leaves are oblong-elliptic to oblong-oblanceolate, tapered to the base, obtuse-rounded. The upper surface is dark green overlain with silvery gray marbling, while the lower surface is dark purple. Inflorescences are described as laxly arching-pendent panicles (up to 120 cm long) with floral bracts that are minute and triangular (up to 8mm long).
The Maligne Formation is present in Canadian Rocky Mountains and foothills between the Kakwa Lakes area of northeastern British Columbia and the Cline River area of west-central Alberta, a distance of about 300 km (186 mi). It overlies the Flume Formation and is overlain by the Perdrix Formation. It grades laterally into the carbonate rocks of the upper Cairn Formation.
Their highest point is Staple Hill (). Exmoor is a large upland area straddling Somerset and North Devon, close to the Bristol Channel. It is composed from the Exmoor Group of sedimentary rocks and is overlain by moorland with wet, acid soil. The Exmoor coastline has rocky headlands, ravines, waterfalls and towering cliffs that are the highest sea cliffs on mainland Britain.
Astley Green is the southernmost colliery on the Manchester Coalfield. It accessed the coal seams of the Middle Coal Measures laid down over 300 million years ago in the Carboniferous Period and overlain by Permo-Triassic rocks. A layer of alluvial deposits consisting of clay, sand, gravel and marl overlay the rock. The coal seams dipped at 1 to 4.5 towards the south.
The Old Red Sandstone which characterises the Brecon Beacons inland is also present in Gower. The lowermost strata are exposed at the back of Rhossili Bay beneath Rhossili Down. Overlying these are the brown sandstones with thin mudstones of the Brownstones Formation. This formation is unconformably overlain by the Upper Old Red Sandstone, represented in Gower by the Pennard Conglomerate Formation.
Fig. 1. A simple map showing tectonic components in China. The location of the Western Block of North China Craton is marked in red. Modified from Zhao, 2001. The Western Block of the North China Craton is an ancient micro- continental block mainly composed of Neoarchean and Paleoproterozoic rock basement, with some parts overlain by Cambrian to Cenozoic volcanic and sedimentary rocks.
Some coastal areas of Northern Kimberly are formed of basalt, and the Mitchell Plateau and Bougainville Peninsula are overlain by a layer of bauxitic duricrust. The southern Dampierland region, which includes the Dampier Peninsula and the coastal plain extending to the southwest, are on deposits of red sand. The topography of Dampierland is mostly gentle, with coastal dunes and lagoons.
In the Sedona region, it is overlain by the Hermit Formation, and the colorful Schnebly Hill Formation. The Supai Group is coeval with the Hermosa Group of east and south Utah; the Hermosa Group extended southeastwards from Utah to Durango,Blakey, Ranney, 2008. Ancient Landscapes of the Colorado Plateau, "Geologic X-sections", (cross-sections), p. XVIII. Type section, pg. 54.
The horse motif was the first image to be engraved. Later, vertical lines are overlain across the body and in front of the horse. The overall effect creates an impression of a palisade, fence or even falling spears. If this is the case, we might be seeing a scene in which horses are guided by a wooden structure—maybe for hunting purposes.
The Jujols Group is less metamorphic than the mesozonal Canaveilles Group. Its sedimentation lasted probably into the lowermost Ordovician. After a longer hiatus, up to 100 m of Caradocian (Ordovician stage 5 and 6) conglomerate follow unconformably upon the Jujols Group—the Rabassa Conglomerate. This is overlain by nearly 500 m of the Cava Formation, interlayered greywackes, and shales containing volcanic horizons.
The Loma Gorda Formation is the uppermost unit of the Güagüaquí Group. It overlies the Hondita Formation and is overlain by the Oliní Group. The age has been estimated on the basis of ammonites to be ranging from Turonian to Coniacian. Stratigraphically, the formation is time equivalent with the upper parts of the Chipaque, La Luna and La Frontera Formations.
The Purcell Supergroup is equivalent to the Belt Supergroup of the northwestern United States. The base of the Purcell is not exposed in Canada, but it is inferred to rest unconformably on the Canadian Shield. The Purcell is unconformably overlain by the Neoproterozoic Windermere Supergroup in most areas, or by younger Cambrian or Devonian formations where the Windermere is absent.
The Debolt Formation is the upper most component of the Rundle Group. It rests conformably on the Shunda Formation, resting on shale and carbonates. It is overlain conformably by the Golata Formation of the Stoddart Group in the west, and the upper contact becomes unconformable with gradually newer formations to the east and north (Permian, Triassic, Jurassic and Cretaceous beds).
Both are intruded by granites associated with the Iwokrama Formation. Some folding occurred before these were overlain by the locally unconformable almost flat lying Roraima GroupGibbs, A.K & Barron, C.N (1993). The Geology of the Guiana Shield. Oxford University Press.. Major mafic sills and dykes of the Avanavero Suite intrude all of the older rocks, and are part of a Large Igneous Province (LIP).
The Peace River Formation is a sub-division of the Fort St. John Group. It is conformably overlain by the Shaftesbury Formation shale and is conformably underlain by the Spirit River Formation. It is equivalent to the Commotion Formation in British Columbia and to the Scatter Formation in the Liard River area. It correlates to the Buckinghorse Formation in north-eastern British Columbia.
Where the valley has not been flooded to make reservoirs, the sides are 'V' shaped. The valley floor consists of solid Millstone Grit overlain with till drift. The drainage can be described as slowly permeable and seasonally waterlogged. The bedrock is covered with fine loam over clay soils and some peat soils at higher elevations on the fringe of the moorland.
Originally known as the Kap Stewart Formation, it was later raised to Group status. It comprises three formations, the organic-rich lacustrine mudstones with interbedded sheet sandstones of the Rhætelv Formation (developed in the basin centre) the alluvial plain sandstone and conglomerate of the Innakajik Formation overlain by delta plain sandstones to mudstones of the Primulaelv Formation (both restricted to the basin margin).
The Warkworth Subgroup is up to 1000m of inter-bedded sandstone and mudstone formed from turbidity currents. These accumulated in a bathyal submarine fan. The Meremere Subgroup is finer grained and represents a bathyal submarine fan and basin floor facies.Edbrooke 2001, Geology of the Auckland area P.24-25 The Waitemata Group is overlain by the volcanic and volcaniclastic Waitakere Group.
Maungdaw district. The Indo-Burman Range is a sedimentary belt mainly consisted of Cenozoic flysch sediments and a core of Mesozoic ophiolites dated back to late Jurassic overlain on a thick Mesozoic sequence. All the above unconformity lies on a metamorphic basement dated back to pre-Triassic. The core Mesozoic ophiolites consists of serpentinite peridotites, pillow basalts and red cherts etc.
The Tunjuelo Formation conformably overlies the Marichuela Formation and in other parts the Subachoque Formation. The Tunjuelo Formation is overlain by the thin Chía Formation. The age has been estimated to be Pleistocene based on palynology and radiocarbon dating, covering the Pleistocene from 2.6 to 0.01 Ma.Montoya & Reyes, 2005, p.72 The depositional environment has been interpreted as fluvio- glacial terraces.
Modeling of gravity and magnetic data along the fault has confirmed the presence of an extensive ophiolite suite. The Dalradian metasedimentary rocks are overlain by an obducted ophiolite that is continuous for at least several kilometres on either side of the Highland Boundary Fault. The models generated from magnetic data suggest that the ophiolite is only slightly displaced vertically by the fault.
Much of North Shropshire is a plain which is a basin of Permian and Triassic New Red Sandstone, overlain by Jurassic deposits in a small area near Wem. This basin continues north into Cheshire. Faulting has occurred within the sandstones, because of basin extension during and after the infilling of the basin. Escarpments form small prominent hills within the plain.
In the Zinder region, he made a discovery of Lower Cretaceous rocks being overlain by Upper Cretaceous successions. His geological collections are housed at the Muséum national d'histoire naturelle in Paris.Four Centuries of Geological Travel: The Search for Knowledge on Foot ... edited by Patrick N. Wyse Jackson, Geological Society of London The botanical species Pennisetum chudeaui Trab. Maire is named in his honor.
The Coyote Mountains range consists of uplifted metamorphic basement rocks overlain by younger volcanic and sedimentary rocks. The peaks and mountain ranges are primarily Paleozoic and Jurassic basement rocks, which consist of marble, schist, and gneiss. This metamorphic basement rock and overlying volcanic and sedimentary rocks have been uplifted and exposed due to seismic activity along the Elsinore Fault Zone.
The exposures are of Middle Jurassic sediments of the Aalenian and Bajocian Stages, and are nationally important for research of the period in the United Kingdom. The strata are Lower Inferior Oolite which is overlain with Upper Trigonia Grit. There are no Middle Inferior Oolite strata present. This is as a consequence of a period of uplift and warping of the crust.
The Horn River Formation is overlain by the Fort Simpson Formation and underlain by the limestones of the Lonely Bay Formation, Nahanni Formation or Pine Point Formation. It is equivalent to the Slave Point Formation. In the Northwest Territories it includes the Muskwa Formation, and the Waterways Member of the Hay River Formation. It includes the pinnacle reefs of the Horn Plateau Formation.
The Castilletes Formation overlies the Jimol Formation and is overlain by the Ware Formation. The age has been estimated to be Middle Miocene (16.7 to 14.2 Ma), Colloncuran and Friasian in the SALMA classification. The invertebrate fauna of the Castilletes Formation is highly similar not only to that of the underlying Jimol Formation, but also to the Cantaure Formation of Venezuela.Moreno et al.
The geology of Saba represents a young Pleistocene volcanic island. The oldest rocks are overlain by the Sugar Loaf-White Wall Formation shallow marine limestone. Mt. Scenery is the island's highest point and records a pyroclastic volcano that is the highest point in the Kingdom of the Netherlands. Zion's Hill or Hell's Gate is part of a basaltic andesite lava flow.
The Conejo Formation is the uppermost unit of the Villeta Group. It overlies the La Frontera Formation and is overlain by the Guadalupe Group. The age has been estimated on the basis of ammonites to be ranging from Turonian to Santonian. Stratigraphically, the lower part of the formation is time equivalent with the upper part of the Chipaque,Montoya & Reyes, 2005, p.
The Chorrera Formation unconformably overlies the Late Cretaceous Guadalupe Group. The formation is overlain by the Pleistocene Subachoque Formation. The age of the Chorrera Formation has been estimated to be Late Pliocene based on its stratigraphical position. The depositional environment is characterised by alluvial fans formed during the main phase of tectonic uplift of the Eastern Ranges in the Late Pliocene.
These are overlain by lower Paleozoic (Cambrian to Devonian) (meta-)sediments. The whole sequence was deformed, metamorphosed and intruded by felsic magmas during the Hercynian orogeny. The massif is cut in three by two major late Hercynian southeast-northwest striking shear zones (the North and South Armorican Shear Zones). The divisions are simply called the North, Central and South Armorican Zones.
The Comfort member lies above the New Hanover member. It contains bryozoa and sea urchin fossils and beds of glauconite and phosphate pebbles that mark breaks in deposition. The Comfort member was deposited in the late middle Eocene and is overlain by the Spring Garden member. The Spring Garden member is a siliceous rock cemented with calcite and containing detrital phosphate.
An arc of craterous depressions from the south rim of Alphonsus curves to the west, dividing Alpetragius from Arzachel crater. To the west-northwest is the crater-like outline of Alpetragius X, now flooded by the mare and overlain across the east by ejecta from Alpetragius. Alpetragius is similar in appearance to Behaim crater on the far side, although Behaim is larger.
Yamamoto is a damaged lunar impact crater that is located to the north of the large walled plain D'Alembert. To the north-northeast is the crater Avogadro. This feature lies on the northern hemisphere of the Moon's far side. Several parts of the crater rim are overlain by subsequent impacts, particularly along the northeastern section which has been almost completely obliterated.
Continued uplift due to the Laramide orogeny drove accelerated erosion in the Cenozoic. Eastern Montana lowlands were covered in up to 4000 feet of sediment. The Fort Union Formation in the east, made up of the Tongue River, Lebo and Tullock members is a remnant of Paleocene deposition. It is overlain by Wasatch Formation mudstone and stream conglomerate which has been significantly eroded.
One such example is Big Bay, which is a Carolina bay that is overlain by eolian dunes in the valley of the Wateree River (Sumter County, South Carolina). These eolian sand dunes at Big Bay have been dated by optically stimulated luminescence techniques at 29,600 ± 2,400 to 33,200 ± 2,800 BP, and thus this Carolina bay must be older than these dates.
The second subsequence is the Miocene Real Group, consisting of fluvial sandstones and conglomerates. Similar to the Real Group, the final subsequence is the Pliocene Mesa Formation, which is composed of sandstones and conglomerates deposited due to the Eastern Ranges uplift. The uppermost sedimentary rocks of the basin are Pleistocene alluvial fan deposits, overlain by Holocene sediments of the Magdalena River.
The Grayling Formation unconformably overlies the Permian Fantasque Formation. It is equivalent to the lower Montney Formation in the subsurface of the Peace River plains and to the Phroso Siltstone Member of the Sulphur Mountain Formation in west-central and southwestern Alberta. Its contact with the overlying Toad Formation is gradational. The Toad Formation is conformably overlain by the Liard Formation.
The Bajada Colorada Formation, first defined by Roll in 1939, pertains to the Mendoza Group.Moyano Bohórquez, 2004 It overlies the Quintuco and Picún Leufú Formations and is overlain by the Agrio Formation. The contact with the Agrio Formation is discordant and the unconformity has been dated to 134 Ma.Leanza, 2005, p.151 The formation is laterally equivalent with the Mulichinco Formation.
The Muskiki Formationis is part of the Smoky Group. It is conformably underlain by the Cardium Formation and conformably overlain by the Bad Heart Formation. The Kaskapau Formation in northern Alberta replaces the upper Blackstone Formation, the Cardium Formation, and the Muskiki Formation. Where the Kaskapau Formation includes post Cardium beds, the Muskiki is considered a member of the Wapiabi Formation.
The quarry exposes a section through the Marl Slate and the Ford and Raisby Formations of the Upper Permian. It is the type locality for the Raisby Formation, a carbonate unit of the English Zechstein sequence. The exposed sequence commences with the Yellow Sands, which are overlain by the Marl Slate and some 200 feet of calcareous and dolomitic limestones.
The lower part of the succession is dominantly andesitic. Locally in the western part, the lowest formation is the non-volcanic sandstones of the Latterbarrow Formation. In the Furness Inlier the Greenscoe Tuff Formation is the lowermost unit. In the southwest at Millom Park the Whinny Bank Tuff Formation is the lowermost unit, overlain by the Po House Tuff Formation.
The coarse sandstones and beds of conglomerates, about in thickness. The formation is resistant to erosion and is largely barren, but at a few places there are lenses or interbeds filled with finely preserved fossils. The formation overlies the Viche Formation, and is overlain by the lower Onzole Formation. The Angostura Formation is time-equivalent with the fossiliferous Gatún Formation of Panama.
Pseudopolyptychus is a genus of moths in the family Sphingidae, containing one species, Pseudopolyptychus foliaceus, which is known from Guinea, Ivory Coast, Burkina Faso, Togo and from Ghana to Nigeria. It is an undistinguished species, with pale brown forewings overlain with darker brown markings. The thorax is pale brown with a longitudinal dark brown median line. The proboscis is very short.
Hau kuahiwi is found within low to mid-elevations, between in highly degraded remnants of native dry forests. The substrate is basaltic bedrock overlain by dry, crumbly red- brown soil. The current population exists in the Lower Koaie Canyon, a tributary of Waimea Canyon, at an elevation of roughly . Mean temperature in this habitat ranges from and average annual rainfall is .
The formation consists of volcanic sand and gravel eroded off the Keres Group of the southern Jemez Mountains. Smith et al. 1969, pp.2-8 The formation is restricted to sedimentary strata composed purely of volcaniclastic sediments that overlie Keres Group volcanic rocks and correlative volcanic sediments south of the Jemez Mountain and are in turn overlain by Pliocene and early Pleistocene gravels.
Saudi Aramco developed the unit to supply water to its outlying operations. The unit formation is overlain by the early Eocene Rus Formation, named for Umm ar Ru'us. Originally known as the Chalky Zone, it was renamed in 1946. It occurs only a few places, extending 180 kilometers north of Wadi as Sahba and occupying the breached center of the Dammam Dome.
The rim of Pons is somewhat elongated in shape, being longer along a northeast-southwest axis than in the perpendicular direction. The outer wall is irregular and notched, particularly at the northeastern end where it is partly overlain by the satellite crater Pons D and multiple smaller formations. The interior is uneven, with low ridges projecting from the north and southeastern rims.
Pillow lavas and breccia overlain with slabby pieces of sulfide formed from hydrothermal venting on the east side of the Southern Explorer Ridge. Bathymetry image showing the crest of Southern Explorer Ridge. Purple and dark blue colors indicate deepest depths. The Explorer Ridge is a mid- ocean ridge, a divergent tectonic plate boundary located about west of Vancouver Island, British Columbia, Canada.
It contains traces of pyrite and is overlain by phyllite. Tea Tree Gully freestone, as found in the largest quarry in the park, is a feldsparthic sandstone bedded with quartzite. Decay of the feldspar has enabled it to be cut and dressed as a quality building stone. The Tea Tree Gully iron (or silver) mine lies in an iron-rich fault zone.
Bedrock essentially refers to the substructure composed of hard rock exposed or buried at the earth's surface; an exposed portion of bedrock is often called an outcrop. Bedrock may have various chemical and mineralogical compositions and can be igneous, metamorphic or sedimentary in origin. The bedrock may be overlain by broken and weathered regolith which includes soil and the subsoil.
The Rasmussen Lowlands is a 3,000 km2 coastal plain complex of wetlands in the Kitikmeot Region, Nunavut, Canada. It was designated a Ramsar wetland of international importance by the Ramsar Convention on May 24, 1982. It is also classified as an Important Bird Area. The poorly drained area consists of flat lowlands overlain by marine silts and sand, with numerous tundra ponds throughout.
Mill Creek passes through the middle of the Erie Zoo. Erie is situated in northwestern Pennsylvania at (42.114507, -80.076213), on the southern shore of Lake Erie across from the Canadian province of Ontario. It is northeast of Cleveland, Ohio, southwest of Buffalo, New York, and north of Pittsburgh. Erie's bedrock is Devonian shale and siltstone, overlain by glacial tills and stratified drift.
The oldest sedimentary rocks that outcrop in the Siljan area are of Ordovician age. The sequence is dominated by limestone formations with one prominent black shale, the Fjäcka Shale, which is bituminous and has generated petroleum, sourcing the oil found in limestone cavities in the same area. The Ordovician sequence is overlain by rocks of the Llandovery Series (Lower Silurian).
The solid geology of St Werburghs comprises Triassic Redcliffe Sandstone to the south-east of Glenfrome Road, and Triassic mudstone and halite-stone of the Mercia Mudstone Group to the north. The solid geology in the Mina Road Park area and in the valleys of the River Frome and Horfield Brook is overlain by superficial deposits of Quaternary alluvium., Geology of Britain Viewer.
The lava flows are overlain by thin alluvial deposits. The lava flows are horizontal and each flow has two distinct units. The highly weathered vesicular trap and underlying weathered jointed and fractured massive trap constitutes the main water-yielding zones. The soil is mostly formed from igneous rocks and are black, medium black, shallow and calcareous types having different depths and profiles.
The imported limestone was essential as a blast furnace flux. The local coal measures contained two very notable seams. The low sulphur better bed coal was used to make a blast furnace coke of very high quality. The black bed coal, 130 feet above it, was a good general purpose coal overlain with seams of ironstone with a 32% iron content.
The formation consists of uniform, very well sorted, fine-grained pink to buff sandstone with lesser amounts of shale and siltstone. It has a total thickness of . The sandstone is highly bioturbated and in some place shows ripple marks and low- angle crossbedding. It overlies and intertongues with the Mancos Shale and is overlain and intertongues with the Crevasse Canyon Formation.
Crested Butte is a laccolith, formed when magma intruded into Mancos Shale approximately 30 million years ago. Subsequently the softer, overlying sedimentary rock has eroded away, exposing the more resistant igneous rock. The bulk of Crested Butte is composed of quartz monzonite porphyry and granodiorite porphyry. The lower slopes consist of Mancos Shale overlain with debris from the granitic slopes above.
The former mine is situated about 4 kilometres from an ancient temple dedicated to the deity Hathor. The turquoise is found in sandstone that is, or was originally, overlain by basalt. Copper and iron workings are present in the area. Large-scale turquoise mining is not profitable today, but the deposits are sporadically quarried by Bedouin peoples using homemade gunpowder.
The Albian, 105–100 Ma, Zonguldak Formation is predominantly limestone with areas of dolomitization.Hoşgörmez, H., Yalçin, M.N., Cramer, B., Gerling, P., Faber, E., Schaefer, R.G., and Mann, U. (2002). Isotopic and molecular composition of coal-bed gas in the Amasra region (Zonguldak basin—western Black Sea). Organic Geochemistry,33, 1429-1439 It is conformably overlain by the Albian, 105–112 Ma, Kilimli Formation.
Paleocurrents confirm deposition by stream flow from the Ortiz Mountains to the east. The total thickness is over . The formation is divided into four informal members, described as a sandstone facies, a conglomeratic sandstone facies, a conglomerate facies, and a muddy sandstone facies. The formation interfingers with the underlying Tanos Formation and is overlain with angular unconformity by the Tuerto Formation.
Trinity Group stratigraphic column in Texas The Hammett Shale is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell Fault location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and then the Eagle Ford Group.
Edwards Group stratigraphic column in Texas The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell Fault location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and then the Eagle Ford Group.
The Bradbury Group consists of fluvial conglomerates, cross-bedded sandstones, and mudstones reflecting a basaltic provenance. Sandstone clinoforms indicate deltaic deposits. The Murray Formation is a laminated mudstone overlain by a cross-bedded or clinoform sandstone, though in places the base is a conglomerate. Thus, the formation is interpreted to have been deposited in a lacustrine environment adjacent to a fluvial-deltaic one.
The mantle of Goniobranchus pruna is mostly light grey, with dark plum or black spots and a broad white band at the margin overlain with large round orange spots at regular intervals.Gosliner, T.M., Behrens, D.W. & Valdés, Á. (2008) Indo-Pacific Nudibranchs and seaslugs. A field guide to the world's most diverse fauna. Sea Challengers Natural History Books, Washington, 426 pp.
Pelvic fins moderately long about 90% of pectorals, which are paddle shaped. Maximum recorded size , commonly . Colour tan to brown on the back and sides continuing over the head and snout, fading to creamy white on the lower surfaces. Base colour overlain with closely spaced dark blotches, some joining together to form unevenly shaped vertical stripes generally extending well below the lateral line.
The Redknife Formation is conformly overlain by the Kakisa Formation and overlies the Tathlina Formation in northern Alberta and the Fort Simpson Formation in British Columbia and Northwest Territories. The Fort Simpson Formation replaces the Redknife Formation to the west. The Redknife Formation can be correlated with the Nisku Formation and upper part of the Ireton Formation in central Alberta.
The reservoir is located in three eastward- tilted fault blocks 1500 m subsea and consists of cyclic shallow-marine sandstones from the Fensfjord, middle Heather, Sognefjord and upper Heather formations in the Jurassic Viking Group, and are overlain by Upper Jurassic to Paleocene clays. Located in the eastern margin of the Viking Graben, water depths range from 300–355 m.
These filaments are significantly longer than in Murray cod. Eastern freshwater cod are vary from cream or greyish-white to yellow on their ventral (“belly”) surfaces. Their backs and flanks are usually an intense yellow or gold in colour, overlain with a dense pattern of black to very dark green mottling. The effect is a marbled appearance sometimes reminiscent of a leopard's markings.
The bedrock of Wamdeo town is formed by basement granite. The Stratigraphy unit is overlain by widespread eluvium deposit and minor deposit of alluvium. Basement Complex Most of the basement complex of the area is dominated by biotitic granite which is light gray, very coarse grained and occasionally pegmatitic and aplitic. Porphoric feldspar is occasionally present and sometimes shows a general parallel alignment.
Their music featured an abrasive industrial-dance sound, with funky, grind-hop drum loops overlain by harsh vocals and thought-provoking audio samples from various movies and documentaries. Their lyrics focused mostly on the issues of racism and mass media. N.A.P. released their first album Gesticulate in 1993 with bassist and pianist Dan Bates on the now defunct General Purpose Cassettes (G.P.C.) label.
The Bullhead Group overlies a major regional unconformity caused by pre-Bullhead erosion. It rests unconformably on the Fernie Formation, the Nikanassin Formation, the Minnes Group or the Kootenay Group, depending on the location and the extent of the erosion. It is overlain conformably by the glauconitic sandstones and marine shales at the base of the Fort St. John Group.
Only a low, eroded rim of Hevelius rises above the surface. The western wall is overlain by several small impacts. The flat floor of the crater has been flooded by lava, and is now cross-crossed by a system of small clefts named the Rimae Hevelius. There is a low, one-km-high central peak offset to the northwest of the midpoint.
U.S. Geological Survey, Reston, Virginia. The Muav is overlain in some areas by the Devonian Temple Butte Formation, but the major unit above, are the vertical cliffs of Mississippian Redwall Limestone. The Muav is located in the lower elevations of the Grand Canyon, Arizona.Hampton, HM (1998) Geologic Map of the Grand Canyon in the Vicinity of the South Rim Visitor Center.
Hawks Crag Breccia, Hawks Crag, Buller River Unconformably overlying the basement rocks west of the Alpine Fault is a terrestrial sequence that represents Zealandia's progressive movement away from Gondwana. The Hawks Crag Breccia formed from erosion off fault scarps. It is also New Zealand's best source of Uranium. These are then overlain by coal measures formed in swamps from the continued extension.
The Baguio Mining District consists of Late Cretaceous ophiolite basement rocks. These are overlain by Eocene back arc tholeiitic Pugo Metavolcanics. These grade into the Dalupirip Schist, which is separated from the Early Oligocene-Early Miocene sedimentary Zigzag Formation by an unconformity. The Zigzag is composed of deep depositional environment interbedded green sandstones, red siltstones, oligomicitc conglomerates, and minor limestone units.
The beds consists of thin to very thick layers of a light grey, fine grained argillaceous sandstone, containing a small calcareous element. The sandstones are occasionally intercalated with very thin-bedded blue-grey claystone. In places, the sandstone is overlain by the upper Burgsvik beds, which comprise thin-bedded, light-to-bluish grey, oolitic limestone with alternating sandy beds containing problematic structures described by Manten (1966).
Location of the Nauen Plateau within its surrounding natural regions. The Nauen Plateau () is a low plateau in the German states of Brandenburg and Berlin. It rises above the surrounding countryside by an average of and is a largely contiguous upland area that was formed during the Saale and Weichselian glaciations. It consists predominantly of ground moraine deposits, partly overlain by gently rolling end moraine formations.
This makes the Moppin Complex one of the oldest known rock units in New Mexico.McLemore 2011, p.380 It likely correlates with the Pecos Complex of the Santa Fe Mountains and the Gold Hill Complex of the Taos Mountains The complex is overlain by the Vadito Group. The lower part of the Vadito Group contains amphibolite bodies that may be transitional with the Moppin Complex.
The geology of Socotra is part of the national geology of Yemen. Ancient Precambrian metamorphic rocks are intruded by younger igneous rocks, overlain by limestones and other marine sediments that deposited during marine transgression periods in the Cretaceous and the past 66 million years of the Cenozoic. The island is on the Somali Plate, which rifted away from the Arabian mainland within the past 60 million years.
The 10-meter-thick Lower Hamstead Member follows directly upon the Bembridge Marls Member with a 40-centimetre-thick olive to black seam, the Black Band. This layer is very rich in organic matter and was deposited under freshwater conditions. At its base it carries calcrete nodules and rootlets. The Black Band is overlain by roughly 4 metres of a greenish- greyish clay-silt interlayering.
The Mount Whyte Formation outcrops in the southern Rocky Mountains of southwestern Alberta and southeastern British Columbia, and is present in the subsurface beneath the southwestern Alberta plains where it grades onto the Earlie Formation. It grades into the Snake Indian Formation to the north and Naiset Formation to the west. It disconformably overlies the Lower Cambrian Gog Group and is conformably overlain by the Cathedral Formation.
A prominent bowl-shaped crater, Thebit A, lies across the west-northwestern rim. The west-northwestern rim of this crater is overlain in turn by the even smaller Thebit L. Together this forms an elegant arrangement that makes Thebit relatively simple to identify. The floor of Thebit crater is rough and has no central peak. The rim displays a terrace, and has a hilly outer rampart.
The Los Angeles basin is still active tectonically and the region continues to experience earthquakes as a result. Due to the number of faults and fault splays, seismic activity is not concentrated in one particular area. The cities that are overlain by the Newport–Inglewood and Whittier fault zones have a higher probability of experiencing seismic activity. The region experiences earthquakes that are mostly mild (magnitude ≤2.25).
This crater is of the type traditionally termed a walled plain. It has a heavily eroded outer rim that is overlain by several smaller craters. Among these are Wilhelm A and Wilhelm K across the southwest rim, and Wilhelm B just to the northwest along the western rim. Wilhelm C intrudes into the north-northeast rim, and Wilhelm D is attached to the northeast outer rim.
Cape Henderson () is an ice-free cape, overlain by morainic drift, marking the northwest end of the Bunger Hills in Antarctica. It was mapped from air photos taken by U.S. Navy Operation Highjump in February 1947, and was named by the Advisory Committee on Antarctic Names for the , the destroyer escort of the western task group of Operation Highjump, Task Force 68, 1946–47.
A pair of smaller craters lies along the northeastern rim, and a crater is intruding into the northwest rim. To the south is an outward projection that has the appearance of a crater partly overlain by Joule. The remainder of the rim and inner wall is somewhat irregular. The interior floor is more level than the terrain surrounding the crater, but is marked by some small craterlets.
Eustatic sea level of the Ordovician The base of the formation is formed by a thick grey calcarenitic limestone bed, which is overlain by thin-bedded calcarenitic and calcilutitic limestones. The upper half of the formation consists of thick-bedded calcarenitic limestones. In Kårgärde, the formation comprises medium-bedded, coarse-grained, grey to dark grey limestones with chamositic grains in some beds.Kårgärde at Fossilworks.
The Kupferschiefer is overlain by the Zechstein Limestone sub-unit of the Werra Formation. The unit has been dated to 257.3 ± 1.6 Ma, placing it in the Wuchiapingian stage of the Late Permian.Ezcurra et al., 2014b The age of the unit corresponds to the Ilinskoe part of the Sokolki Assemblage Zone of European Russia and the Tropidostoma Assemblage Zone of the Karoo Basin of South Africa.
In the Curtis Mountains region of northeastern Arizona, the Entrada is overlain by the Wanakah Formation.O'Sullivan, 2003 Gregory and Moore worked out the geographic extent of the formation and gave an overview of it in 1931. The extent was revised several times afterwards (most recently in 1992 by Condon). It was divided into the Gunsight Butte, Cannonville, and Escalante members by Thompson and Stokes in 1970.
The Pacho Formation, pertaining to the Villeta Group, partly overlies and is partly lateral equivalent with the Hiló Formation and is partly overlain by and partly time equivalent with the Simijaca Formation. The age has been estimated to be Late Albian to Cenomanian. Stratigraphically, the formation is time equivalent with the Une Formation. The formation has been deposited in an outer marine platform environment.
Boethius is a small lunar impact crater located on the east edge of Mare Undarum near the eastern lunar limb. To the southwest is the dark, lava- flooded crater Dubyago. Boethius is circular and cup-shaped, with inner walls sloping down to the tiny central floor. It has a higher albedo than the surrounding terrain, and is not overlain by other impact craters of note.
The Neoproterozoic West Congolian Supergroup occurs in the Nyanga syncline with feldspathic sediments overlain by dolomites, cherts and dolomitic limestone with stromatolites. Alluvial diamonds have been found, near the border with the Central African Republic border. A giant granitoid massif known as the Cahillu Massif extends with NS foliation through south-central Congo. At Mayoko a relict greenstone belt occurs, with sub-vertical banded iron formation.
Precambrian rocks of the Archean to Neoproterozoic Age form the central part of the Republic of the Congo, overlain by continental Cretaceous and Tertiary Sediments.Geological Altas of Africa The East is made up of Quaternary alluvial sedimentation. The Coastal basin is made up of Cretaceous to Quaternary marine sediments, including phosphatic sequences and evaporites. The Precambrian Mayombe Range boards the basin to the East.
The more powerful brake system employed vented front discs and four-piston calipers instead of the previous versions two-piston calipers. The rear brakes were ventilated discs replacing the previous solid discs, and two-piston calipers replacing single-piston calipers. The calipers are painted red with the SUBARU name in white overlain. The US-spec STIs receive the same facelift as the Japanese-spec STIs.
The youngest part of the succession comprises siltstones and mudstones, with carbonate-rich beds, deposited in a shallow marine setting. Coaly detritus, muscovite, very small shells and shell fragments, and framboidal pyrite nodules (0.1–0.3 mm in diameter) are characteristic constituents of this member. ;Pankarp Member The dark mudstones of the Döshult Member are overlain by the Pankarp Member with a sharp conglomeratic boundary.Frandsen & Surlyk, 2003, p.
Further dykes were intruded during the Palaeogene period. The whole is overlain by unconsolidated sediments from the last ice age and the post-glacial period.British Geological Survey 1:625,000 scale geological map Bedrock Geology UK North 5th Edn. NERC 2007 The exploitation of various of these rocks and deposits has contributed to economic activity in the area and left a number of legacies in the landscape.
Pan de Azúcar Formation (, Sugar-loaf formation) is a geologic formation of Hettangian–Sinemurian (Jurassic) age made up of chiefly by sandstone, tuff, mudstone and limestone. The formation is located in the Coast Range of northern Chile. The formation interdigitates and is coeval with the Posada de los Hidalgo Formation. It concordantly overlies the Cifuncho Formation and is overlain by the La Negra Formation.
It has a similar albedo to the surface of Mare Crisium to the north, making it stand out somewhat from its surroundings. The floor has suffered no significant impacts since it was created, although there are undoubtedly many minor impacts across its surface. The outer rim of Firmicus has undergone some erosion, particularly along the northern rim where it is overlain by a pair of small craterlets.
The Sorthat Formation is a geologic formation on the island on Bornholm, Denmark. It is of latest Pliensbachian-Lower Toarcian age. Plant fossils have been recovered from the formation, along with several traces of invertebrate animals. The Sorthat Formation is overlain by fluvial to lacustrine gravels, along with sands and clay along with parts covered by coal beds, that are part of the Aalenian-Bathonian Bagå Formation.
297: 1–17. with the WAC extending across 14 countries in Western African, coming together in the late Precambrian and early Palaeozoic eras to form the African continent. It consists of two Archean centers juxtaposed against multiple Paleoproterozoic domains made of greenstone belts, sedimentary basins, regional granitoid- tonalite-trondhjemite-granodiorite (TTG) plutons, and large shear zones. The craton is overlain by Neoproterozoic and younger sedimentary basins.
The lake is a small pool fed by water dripping from the ceiling. In wet seasons the water accumulates at a rate necessitating periodic bailing. The passages not open to the public are similar to those already described except they are constricted at many points. Orange-brown clay that covers the floor and lower walls of these passages is often overlain by calcareous formations.
Location of the Grenville and Superior Craton The geology of Ontario consists of the study of the rock formations in the most populated province of Canada. Ontario has some of the oldest rocks on Earth. It is made up of ancient Precambrian igneous and metamorphic rock and overlain by younger sedimentary rocks and soils. About 61% of the province is covered by the Canadian Shield.
The southern part of Acton has a complicated arrangement of sediments that include the Pittman Formation greywacke and the black coloured Acton Shale Member from the Ordovician age. Then from the Silurian age there is mudstone, State Circle Shale, and Camp Hill Sandstone. Some limestone is found near the National Museum of Australia. Calcareous shales from the Canberra Formation are overlain by Quaternary alluvium on the north.
The site of Milecastle 36 is located on King's Hill, 800 metres northeast of Housesteads Roman Fort.MILECASTLE 36, Pastscape, retrieved 3 December 2013 The milecastle was robbed of most of its remaining stone in 1831. Part of the east and west walls are indicated by robber- trenches. The remainder of the milecastle has been destroyed by surface quarrying, and the featureless interior is overlain by Wall tumble.
Milecastle 8 (West Denton) was a milecastle of the Roman Hadrian's Wall. Its remains are located in what is now West Denton, Newcastle upon Tyne. The milecastle has two associated turret structures which are known as turret 8A and turret 8B. The turrets and milecastle were excavated in the 1920s, yielding some pottery and stone carvings, but have since been overlain by modern roads.
The alluvial deposits in the vicinity of Gilt and Dunclain Creeks were tested using Banka and sonic drilling techniques. In February 1989, overlapping geochemical and radiometric anomalies drew attention to the Wenot Lake area some 800 m to the south of the Omai Stock. Subsequentlv, eight exploratory holes were drilled leading to the discovery of a second orebody overlain by a supergene-enriched saprolite blanket.
To the northeast is Krasovskiy. The crater has been heavily damaged and disrupted by subsequent impacts, leaving a formation that is scarcely recognizable as a crater. The rim and the interior are very irregular, and are overlain by several smaller impacts. The most notable of these are Lipskiy V along the northwestern edge and Lipskiy S is located just to the west of the midpoint.
The Jimol Formation overlies the Uitpa Formation and is overlain by the Castilletes Formation. The age has been estimated to be Early Miocene (17.9 to 16.7 Ma), corresponding to the Santacrucian in the SALMA classification. The invertebrate fauna of the Jimol Formation is similar to the fauna found in the latest Early Miocene Cantaure Formation of Venezuela and the Culebra Formation of Panama.Moreno et al.
47 The group unconformably overlies the Perijá Formation and is overlain by an unnamed Carboniferous sequence. The Río Cachirí Group is time-equivalent with the Floresta and Cuche Formations of the Floresta Massif, Altiplano Cundiboyacense and the Quetame Group of the Eastern Ranges.Ayala, 2009, p.21 The sediments of the Río Cachirí Group were deposited in an epicontinental sea at the edge of the Paleo-Tethys Ocean.
The geology of Guatemala encompasses rocks divided into two tectonic blocks. The Maya Block in the north has igneous and metamorphic North American Craton basement rocks, overlain by late Paleozoic metasedimentary rocks, which experienced deformation during the Devonian. Red beds, evaporites and marine limestone from the Mesozoic overlie these rocks. A karst landscape formed in the thick limestone units across the north of the country.
Another channel branching from the right bank of the Naguman River is the Shah Alam, which again merges with Naguman River further in the East. In general the sub-soil strata is composed of gravels, boulders, and sands overlain by silts and clays. Sand, gravel and boulders are important aquifer extends to a depth of about . As further confined water bearing aquifer occurs at depths greater than .
Colour is overall beige to olive-brown becoming silvery white on the under sides. The main colouration is overlain with large blotchy darker makings usually merging into uneven bands, often overlaid with tiny dark grey spots. The body often has a horizontal band, sometime two, of gold or copper coloured flecks, also sometimes over the head and snout and sometimes extending onto the caudal peduncle.
Love waves are horizontally polarized shear waves (SH waves), existing only in the presence of a semi-infinite medium overlain by an upper layer of finite thickness. They are named after A.E.H. Love, a British mathematician who created a mathematical model of the waves in 1911. They usually travel slightly faster than Rayleigh waves, about 90% of the S wave velocity, and have the largest amplitude.
The uppermost facies association appears to reflect an environment on the fringes of the sea. Fining-up is observed on to scales, with trough cross bedding at the bases of units overlain by current ripples. Fine sandstones and green shales are also present. The upper units are strongly bioturbated, with an abundance of vertical burrow such as Skolithos \- a fossil typically found in marine environments.
This term is generally used to refer to a small local area of ground water that occurs at an elevation higher than a regionally extensive aquifer. The difference between perched and unconfined aquifers is their size (perched is smaller). Confined aquifers are aquifers that are overlain by a confining layer, often made up of clay. The confining layer might offer some protection from surface contamination.
These excavations also discovered a second henge, which surrounded a Neolithic timber mortuary enclosure. A second such timber structure lay just outside the henge, partly overlain by a complex of two burial cairns. Nearby is the Balbirnie stone circle, which is also part of the complex. Until recently the henge was used as a sporting field where local youths played football and other games.
The Duvernay Formation is a unit of the Woodbend Group. It is conformably overlain by the Ireton Formation and Grosmont Formation and it conformably overlays the Cooking Lake Formation. It is equivalent to the Leduc Formation reefs. it is equivalent to the Perdrix Formation in the Rocky Mountains, and is the stratigraphical equivalent of the Muskwa Formation in the Fort Nelson area of North-Eastern British Columbia.
Near the Wyoming line, the Dakota Sandstone is overlain by the Aspen-Mowry Shale. In the Wasatch Plateau, the Ferron sandstone represents a brief marine regression to the east and serves as an important natural gas horizon. The Emery and Mesaverde sandstone indicate similar regressions (the Mesaverde marks the last one in the late Cretaceous). Coals formed in units such as the Straight Cliffs Formation.
The Trout River Formation is conformably overlain by the Tetcho Formation and disconformably overlays the Kakisa Formation. In its western extent, it overlies and grades into the Fort Simpson Formation. It is equivalent to the Sassenach Formation in the central Alberta Rockies, with the Graminia Formation in central Alberta, the Crowfoot Formation in southern Alberta, the Torquay Formation in Saskatchewan and Lyleton Formation in Manitoba.
The escarpment consists primarily of the Manlius Formation at the base, which is overlain by the Coeymans Formation. The Manlius Formation contains stromatoporoids and abundant desiccation features, notably prism cracks. The Coeymans Formation is a more massive limestone, appears bluish in color, and contains corals and brachiopods, notably gypidula coeymansensis. The gradational contact between the Manlius and Coeymans Formations represents a transgression, or rise in sea level.
The Kootenay Group conformably overlies the marine shales of the Fernie Formation. In most areas it is disconformably overlain by the nonmarine strata of the Blairmore Group, although in some western areas the contact may be conformable. North of the North Saskatchewan River the Kootenay Group grades into the Nikanassin Formation. To the south it may correlate with the upper part of the Morrison Formation in Montana.
A craton is an ancient part of the Earth's continental crust which has been more or less stable since Precambrian times. Cratons whose ancient rocks are widely exposed at the surface, often with relatively subdued relief, are known as shields. If the ancient rocks are largely overlain by a cover of younger rocks then the 'hidden' craton may be referred to as a platform.
Within the Bajuvaric Unit the Ruhpolding Formation conformably overlies the Chiemgau Beds, further west in the Allgäu Alps it overlies the upper Allgäu Beds. It is conformably overlain by the so-called Aptychus Limestone of the Ammergau Formation. The changeover to the Aptychus Limestone is gradual. The lower contact of the Ruhpolding Formation is very distinct and outlined by a several centimeter thick bedding joint.
Topography of Togo The geology of Togo is largely of gneisses and granitic rocks of Proterozoic age in the central and southern part of the country. These are overlain in the coastal zone by Cretaceous and Cenozoic sediments. The northern part of the country has a basement of Neoproterozoic metamorphic rocks and Paleoproterozoic granite. The south of the country is covered in sedimentary basins, covering 3,300 km.
The northern part of West Bengal is covered by fans of sediment washed down from the Himalayas. The Baikanthapur formation is the youngest fan in the area. It consists of very fine white sand inter-layered with ochre yellow sticky silty clay and overlain by dark grey to thick silty loam. The Shangaon formation represents the deposits of the flood plain faces of the Baikunthapur formation.
Bradgate Park and its surrounding areas were heavily overlain in the (geologically) recent past by glacial deposits of Boulder Clay. The Quaternary period includes the last ice age. As the ice melted, some 10,000 years ago, the solid material within the ice settled over the 'natural' rocks below. This material includes unsorted clay and sand particles, small and large pebbles and large stones and boulders.
The Millstone Grit is in turn overlain by the end Carboniferous Coal Measures which in this region are all assigned to the Pennine Lower Coal Measures Formation. It comprises mudstones, siltstones and sandstones and of course coal seams. Coal Measures rocks occur along the eastern and western margins of the region, on either side of the ‘Pennine Anticline’, and across much of the West Pennines.
A view of the scarp face of the Ochils from the Wallace Monument, facing east. The Ochil Fault is the geological feature which defines the southern edge of the Ochil Hills escarpment in Scotland. North of the fault, Devonian lava flows and pyroclastic deposits slope gently down, thinning towards the north. These are in part overlain by Old Red Sandstone rocks formed later in the Devonian period.
The Haynesville Shale is overlain by sandstone of the Cotton Valley Group and underlain by limestone of the Smackover Formation.Ground Water Protection Council and ALL Consulting (2009) Modern Shale Gas Development in the United States: A Primer. Reported prepared under contract no. DE-FG26-04NT15455 for U.S. Department of Energy, Office of Fossil Energy and National Energy Technology Laboratory, U.S. Department of Energy, Washington DC. 96 pp.
The Las Juntas Formation, the uppermost unit of the Cáqueza Group, overlies the Macanal Formation and is overlain by the Fómeque Formation and the Apón Formation in the Sierra Nevada del Cocuy.Villamil, 2012, p.168 The formation is subdivided into three members, from old to younger; Arenisca de El Volador, Lutitas Intermedias and Arenisca de Almeida. The age has been estimated to be Hauterivian.
Farther south, the area called the Quaboag Hills includes Hampden, Monson, Wales, Warren, Holland, and Wilbraham on the Connecticut border. Numerous other towns stretching east towards Worcester are sometimes included in the Quaboag Valley region. Geology is similar to the Hilltown-Berkshire uplands with resistant metamorphic rocks overlain by thin and rocky soil. With less relief, the river valleys are less pronounced, but still moderately high gradient.
On March 17, 1874 they began the return journey. They were to visit the Pamir and Afghanistan areas but could not do so due to the political situation and returned to India via Ladakh. On June 16, 1874 he had severe headaches as they crossed the Karakoram pass (5580 m). That night, he wrote.... :...upon this followed massive dolomitic limestone and this was overlain with blue shales.
The rock underlying the Appalachian Plateau consists of a base of Precambrian rock, overlain by sedimentary rock from the Paleozoic Era. On top of the basement is a thick layer, approximately 20,000 feet, of a mixture of Cambrian, Ordovician, and Middle Silurian rock. This rock consists of shale, siltstone, and sandstone. Above this layer is the Upper Silurian evaporate basin, or basin of chemically formed sedimentary rocks.
The Reedsville Shale is stratigraphically above them, and overlain by the ridge forming Bald Eagle Sandstone. The valley has been intensely karstified, as evidenced by the numerous sinkholes, springs, caves, and disappearing streams. Within a number of caves in this valley a new species of fish, a type of troglomorphic sculpin, was identified in 2003 by Luis Espinasa, an associate professor of biology at Marist College.
The Reedsville Shale is stratigraphically above them, and overlain by the ridge forming Bald Eagle Sandstone. The valley has been intensely karstified, as evidenced by the numerous sinkholes, springs, caves, and disappearing streams. Within a number of caves in this valley a new species of fish, a type of troglomorphic sculpin, was identified in 2003 by Luis Espinasa, an associate professor of biology at Marist College.
The sills are thought to have formed by crystal settling. Recent study has suggested that at least one of the sills represents a multiple intrusion. In some places the basalt is overlain by Jurassic mudstone, which weathers to form much more fertile soil than elsewhere in the Western Isles. The islands can be visited via various cruises from other Hebridean Islands and from mainland Scotland.
Paaren im Glien The Hohennauensches Bruch in the West Havelland Nature Park Wide urstromtal lowlands characterize the countryside of the Havelland. Plateaux rise above the general level of the land like islands, mostly formed from Ice Age ground moraines. But end moraines from the Saale and Weichsel glaciations also occur. The former were overlain to a greater or lesser extent by the advancing Weichselian ice sheet.
This is overlain by the Permian White Rim Sandstone. Both are sometimes considered part of the Cutler Formation. Overlying these are the Triassic Moenkopi Formation (which is bounded top and bottom by unconformities), the Chinle Formation, the cliff-forming Wingate Sandstone, the Kayenta Formation, and the crossbedded Triassic-Jurassic Navajo Sandstone.Geologic Map of Canyonlands National Park and Vicinity, Utah, 1982 Edition, by P. W. Huntoon et al.
North of the mountain chain in Tibet the West Rongbuk Glacier flows east to join the main Rongbuk Glacier. Near Lingtren, the Khumbu glacier is at about whereas the West Rongbuk glacier is at about . Geologically the south face of the mountain is of black gneiss overlain by a thick sill of massive granite. The gneiss has been intruded with many thinner granite sills.
The Bonneterre Formation is an Upper Cambrian geologic formation which outcrops in the St. Francois Mountains of the Missouri Ozarks. The Bonneterre is a major host rock for the lead ores of the Missouri Lead Belt. The Bonneterre Formation lies conformably on the Lamotte Sandstone and in places lies directly on the Proterozoic igneous core of the mountains. The Bonneterre is conformably overlain by the Davis Formation.
The Graneros Shale is primarily dark gray shale with minor sandstone and limestone. It rests on the Dakota Group and is in turn overlain by the Greenhorn Limestone. The thickness varies from . The northern part of the formation has been divided into (in ascending stratigraphic order) the Skull Creek shale, the Newcastle sandstone, the Nefsy shale, the Mowry shale, and the Belle Fourche shale.
The group consists mostly of dolomitePray 1953 but with some limestone and a basal sandstone. The total thickness is about .Pope 2004, p.46 The group overlies the El Paso Formation and is overlain by the Fusselman Formation or Percha Formation,Pope 2004, p.52 with both contacts difficult to define in some exposure areas.Paige 1916 Biostratigraphy of the group is consistent with deposition in the Cincinnatian.
It is overlain everywhere by the Abo Formation or its equivalents, with the transition typically gradational, with the base of the Abo placed at the top of the last massive marine limestone bed below the fluvial redbeds typical of the Abo. The transitional zone between the Madera Group and the Abo Formation is sometimes assigned to the Bursum Formation, which is not included in the Madera Group.
Red lines: Seasonal temperature extremes (dotted=average). Permafrost is soil, rock or sediment that is frozen for more than two consecutive years. In areas not overlain by ice, it exists beneath a layer of soil, rock or sediment, which freezes and thaws annually and is called the "active layer". In practice, this means that permafrost occurs at an mean annual temperature of or below.
The hills are a northward extension of the Central Russian Upland. The ridge is overlain by deposited glacial materials in the form of terminal moraines and other detritus. The Valdai Hills reach their maximum height of near Vyshny Volochyok.Русская Венеция - Offline The Volga, the Daugava (the Western Dvina), the Lovat, the Msta, the Dnieper, the Syas, and other rivers originate in the Valdai Hills.
Surrounded by gently rolling countryside, Eastwood is 8 miles to the Northwest of the City of Nottingham in Nottinghamshire and close to the county boundary with Derbyshire. The area contains coal measures, with shale, mudstone, and sandstone, overlain by yellow clay. Alluvial deposits from the River Erewash run roughly north-south. The town is centred on Nottingham Road, which runs along a north west-south east ridge.
Typically, these units are one to two kilometers thick. The Kurama Unit has volcanic rocks from the Ordovician, Silurian turbidites and andesite flows. An angular unconformity separates these rocks from a Devonian molasse unit, striking to the northeast with layers of andesite and tuff and overlain by a Devonian to Carboniferous carbonate unit. A volcanic unit caps the sequence, extending into Early Triassic age.
Triassic rocks are mostly found in western North Macedonia, although less in the Vardar Zone, covering only a small area in the Delchevo border zone near Bulgaria. They are mainly volcanic rocks in the lower units overlain by carbonaceous dolomite. Jurassic rocks are particularly common in the Vardar Zone, particularly in the west. In this area, rocks are extremely varied due to ophiolite formations and massifs.
Going east from Talybont-on- Usk the Plateau Beds are increasingly overlain by the sandstones of the Quartz Conglomerate Group until, as the Plateau Beds are cut out south of Llangynidr, the Quartz Conglomerate constitutes, in its outcrop along the southern side of the Usk valley, the entire upper ORS sequence in the east. It forms an isolated outlier at the very summit of the Sugar Loaf.
Colour mostly dark olive-brown on the back and sides above the lateral line with the sides of the body in front of the anal fin becoming lighter and cream on the belly surfaces. Base colour overlain with many small dark markings joining into small to medium irregular blotches especially over the head and snout. Gill covers translucent and dusky; iris golden; fins translucent.
The Dunvegan Formation is conformably overlain by marine shales of the Kaskapau Formation in the Peace River Country and overlies conformably and transitionally the shale of the Fort St. John Group. The relationship between the Dunvegan and the overlying/underlying units is diachronous and the boundaries of the Dunvegan are placed at the first and last appearances of sandstone within the shale- dominated succession.
Mount Benarat () is a mountain located in Gunung Mulu National Park in Sarawak, Malaysia. Consisting of limestone on the western side which is overlain by gritstone on the eastern side. It contains many caves which have been discovered and explored by British and American cavers. The Benarat 2005 Caving Expedition discovered Moon Cave after climbing 60 m up the cliffs on the southern end of the mountain.
Veneneia is the second-largest crater on asteroid 4 Vesta, at 52°S latitude. 'Vesta seems more planet than asteroid', Science News, 2012 Mar 22 in diameter, it is 70% of the equatorial diameter of the asteroid, and one of the largest craters in the Solar System. It is at least 2 billion years old. However, it is overlain and partially obliterated by the even larger Rheasilvia.
The rim edge has some wear, but is not overlain by other impacts of significance. The interior floor is roughly circular and featureless. The name was approved by the IAU in 1988 in honor of Christa McAuliffe, who was killed in the Space Shuttle Challenger disaster on January 28, 1986.McAuliffe crater, Gazetteer of Planetary Nomenclature It was formerly designated Borman Y, a satellite crater of Borman.
The strata are underlain and overlain by sandstones, and the upper are gypsiferous. The formation was deposited in a calm near-shore marine to brackish lagoonal environment with possibly fluvial influence.Cerro La Cruz at Fossilworks.org Elements of the fauna are consistent with the hypothesis that a tributary and/or delta of the Orinoco existed in this area of northwestern Venezuela during Early Miocene times.
Oblique view facing east-northeast, from Apollo 8 Danjon is a lunar impact crater on the far side of the Moon. It lies less than a crater diameter to the east-southeast of the larger crater Langemak. To the east-northeast of Danjon is the crater Perepelkin, and due south lies the walled plain Fermi. The northeastern rim of Danjon is overlain by the smaller crater D'Arsonval.
Tertiary strata form the basement in the Sandettie Bank. In the northwest part of the area erosion cut a basin in the Tertiary strata. This basin is filled with a sequence of late Pleistocene sands overlain by Holocene sands which form the major topographic features of the Sandettie. The surface of the banks are moulded into transverse ridges up to 10m in amplitude and 200m in wavelength.
630 over clast- supported pebbles with trough slope stratification along with horizontally laminated silty sediments. After initial deposition of the fan, the deposits are commonly overlain by clay/marl sediments. In rare cases, this can be a potential trap for hydrocarbons and a possible exploration target in the sands underneath. A fining upwards sequence exists in aggrading alluvial fans with distal fining laterally from the mouth.
This map is now believed to underestimate the extent of the region once overlain by Lake Agassiz.Glacial Lake Regina covered south- central area, and Glacial Lake Agassiz covered much of Saskatchewan and neighbouring regions of the US and Manitoba. The ice and water retreated, and the lake beds formed flat plains. The land exposed from under the ice sheets was rubble, and ridges of gravel.
The Neuquén Group is a group of geologic formations found in Argentina. Rocks in the Neuquén Group fall within the Cenomanian to early Campanian stages of the Late Cretaceous Period. It overlies the older Lohan Cura Formation and is itself overlain by the younger Allen Formation of the Malargüe Group, separated from both by unconformities, dated to 98 and 79 Ma respectively.Leanza et al.
The Belly River Formation is conformably overlain by the Bearpaw Formation and gradually overlies the Wapiabi Formation, the Colorado Group shale or the Lea Park Formation shale. It is equivalent to the Milk River Formation and Pakowki Formation. The Belly River has group status in the Canadian Rockies foothills and is replaced by the Oldman Formation (Judith River Formation in Montana) and Foremost Formation in southern Alberta.
The St. Mary River Formation conformably overlies the Blood Reserve Sandstone, or the Bearpaw Formation where the Blood Reserve Sandstone is absent, and it is conformably overlain by the Willow Creek Formation. It extends from Glacier County, Montana to as far north as the Little Bow River in Alberta, where it grades into and intertongues with the contemporaneous strata of the Horseshoe Canyon Formation.
The total maximum thickness is . It overlies the Atarque Sandstone and is in turn overlain by the Fence Lake Formation. The formation is laterally equivalent to the Tres Hermanos Formation, Pescado Tongue of the Mancos Shale, Gallup Sandstone, and lower Crevasse Canyon Formation. It represents beds southwest of the pinchout of the Pescado Tongue where the Tres Hermanos Formation and Gallup Sandstone are no longer lithologically distinguishable.
It is conformably overlain by the Haumurian to Teurian Whangai Formation. It consist of three members, the Maungataniwha Sandstone Member, the Mutuera Member and the Houpapa Member. It is named for Tahora Station, south of Matawai in the Gisborne Region. The aptly named Maungataniwha (Māori for "mountain of monsters") Sandstone Member is known for its rich reptile fossil remains, first investigated by amateur palaeontologist Joan Wiffen.
Amphibolites interlayed with peridotite have been dated to 170 to 160 million years ago. Ultramafic massifs in the Ophiolite Zone are unconformably overlain by Late Jurassic and Late Cretaceous sandstones, marl, shale and limestone up to one kilometer thick. These sequences interfinger with Tithonian-Berriasian, Albian and Senonian limestones. Coarse-grained clastic rocks contain fragments of ophiolite, amphibolite, greywacke, shale, chert, limestone and pebbles of red granite.
Within the Georgian Block, the crystalline rocks of the Dzirula Massif are overlain by Early Cretaceous rocks 300 to 550 meters thick, primarily limestone but also glauconite sandstone, marl and clay. Elsewhere in the Adjara-Trialeti Zone, calc-alkaline basalt from the Albian is common. Within the Arthvin-Bolsini Block is a 1.2 kilometer sequence of carbonates, shallow water limestones and marl as well as tuff.
The most visible of these are the to thick layer of St. Peter Sandstone, the lowest layer of sedimentary rock above the Mississippi River in Saint Paul, which is overlain by a thin— to thick—layer of Glenwood Shale, and capped by a thick layer of Platteville Limestone. These units are overlain by the fossiliferous Decorah Shale, which is in some places completely eroded and in others up to thick, and exposed at the brickyards, a popular fossil hunting location in Lilydale Park.Official Lilydale Park Fossil Hunting Webpage All of the units exposed on the surface in St. Paul are of Ordovician age. Marine fossils can be seen embedded in limestone structures, such as the Henry Hastings Sibley House. About 20,000 years ago, the area was covered by the Superior Lobe of the Laurentide Ice Sheet, which left the St. Croix moraine on the Twin Cities as it receded.
The type section of the Ghost River Formation contained strata that are now subdivided into several Cambrian formations, unconformably overlain by Middle Devonian strata now assigned to the Yahatinda Formation. The latter are contained in a channel eroded into the Cambrian rocks and include a variety of plant fossils and remains of fresh water fish.McGregor, D.C. 1963. Paleobotanical evidence for the age of basal Devonian strata at Ghost River, Alberta.
The Beaver Mines Formation is part of the Blairmore Group. It disconformably overlies the Gladstone Formation and grades into the Gates Formation of the Luscar Group north of the Clearwater River. It is disconformably overlain by the Ma Butte Formation in the southern foothills and by the Blackstone Formation north of the Red Deer River. To the east, it is correlated with the upper part of the Mannville Group.
The rocks at Mathesons Bay comprise Waipapa Terrane greywacke overlain by sediments of the early Miocene Waitemata Group, the latter of which is divided between the basal, shallow marine Cape Rodney Formation, and the turbidite deposits of the Pakiri Formation.RICKETTS, B.D., BALANCE, P.F., HAYWARD, B.W. and MAYER, W., 1989, Basal Waitemata Group lithofacies: rapid subsidence in an early Miocene interarc basin, New Zealand: Sedimentology, v. 36 (4), p. 559 - 580.
Surveys of the seabed under the planned route were conducted before the bridge design commenced. The marine geology underneath the bridge consists of basalts, volcanic tuffs and breccias with some intertrappean deposits. These are overlain by completely weathered rocks and residual soil. The strength of these rocks range from extremely weak to extremely strong and their conditions range from highly weathered and fractured, to fresh, massive and intact.
They are overlain by Neoproterozoic pelites, including phyllite and both muscovite and biotite schists, as well as quartzites that form strike ridges in several parts of Nigeria. Younger metasediments are found in the southwest and northwest in synclinorial schist belts. Compared to the surrounding migmatite-gneiss complexes, these low-grade metamorphic rocks have isoclinal folding and steeply dipping foliation. They have faulted and sheared boundaries with the surrounding rock.
Georgetown Formation stratigraphic column in Texas The Georgetown Formation is a geologic formation in Mexico and the United States. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group and the Georgetown Formation. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and then the Eagle Ford Group.
Dacitic lava flows or tuffs overlie these metamorphosed volcanic rocks along with intermediate volcanic breccias, and are overlain by rhyolite lava flows and tuffs. Acidic lava flow units range in thickness from to and are common in the Vermilion Lake and Link Lake areas. The felsic tuffs are normally altered and sheared. The most recent intrusive activity in the TGB was the formation of a rhyolite porphyry dike million years ago.
The Fairholm Group overlies the Beaverhill Lake Group in the southern Alberta plains, and unconformably overlies the Middle Devonian Yahatinda Formation or pre-Devonian formations in the mountains. It is overlain by the Crowfoot Formation in the plains, and the Sassenach, Alexo or, rarely, the Palliser Formation in the mountains. It is equivalent to the Woodbend Group and the lower part of the Winterburn Group of the plains.
Mayuga, M.N., pp. 167-169. Basement consists of the Catalina Schist and is overlain with up to 8,000 feet of Miocene and Pliocene sediments, the main oil producing zones being the Puente and Repetto sandstones.Mayuga, M.N., pp. 163-164. An unconformity in the Pliocene between the Repetto and the Pico indicates the top of the structure was eroded to a flat surface and later Pliocene and Holocene sediments were deposited horizontally.
A piece of the Becraft Formation showing an abundance of crinoid and brachiopod fossils. The Becraft Formation is a geologic formation of marine sedimentary rock found in New York State. The Becraft is a part of the lower Devonian Helderberg Group and conformably overlies the New Scotland Formation and is overlain by the Alsen Formation throughout the lower Hudson Valley of New York State. The formation is Gedinnian in age.
Nearby geological features include the Lokitaung Gorge and the Lubur Sandstone sedimentary sequence, more than thick. The Lubur Sandstone likely dates to the Cretaceous age of the Mesozoic, and includes dinosaur, turtle and crocodilian fossil bones. Turkana basalt columns, of the kind observed in the Lokitaung basalts. In the Lokitaung gorge, these sediments are overlain by over of basalt lava flows extending to the west of Lokitaung, called the Lokitaung basalts.
Water does occur 20 to 30 meters deep in sands and in cracks in the volcanic rock. Well drilling teams need to remove clay from the borehole to prevent fine particles from blocking well screens. Along the coast, Ivory Coast has a deep, high transmissivity and unconfined sedimentary aquifer formed in the Cretaceous, Paleogene and Neogene. It is overlain by Quaternary marine sands formed in the last 2.5 million years.
Calcareous shales from the Canberra Formation is overlain by Quaternary alluvium. This rock is the limestone of the original title of Canberra "Limestone Plains". The higher eastern side of Hackett is on top of the lowest layer of the Ainslie Volcanics, a grey Dacite and other erupted particles such as agglomerate and tuff.Henderson G A M and Matveev G, Geology of Canberra, Queanbeyan and Environs 1:50000 1980.
However, the "wattle" portion of jacal structures consists mainly of vertical poles lashed together with cordage and sometimes supported by a pole framework, as in the pit-houses of the Basketmaker III period of the Ancestral Puebloan (a.k.a. Anasazi) Indians of the American Southwest. This is overlain with a layer of mud/adobe (the "daub"), sometimes applied over a middle layer of dry grasses or brush which functions as insulation.
The Chachao Formation is a geological formation in the Mendoza Province in northern Patagonian Argentina. It is Valanginian in age and is predominantly marine, being deposited at a time of marine transgression in the Neuquén Basin, and predominantly consists of carbonate rocks. The formation belongs to the Mendoza Group, sediments deposited on the Mendoza Shelf. The formation overlies the Vaca Muerta and is overlain by the Agrio Formation.
The road runs along the border of the Precambrian shield and the Ordovician limestone plateau en route to Burleigh Falls. The shield lies to the north and is overlain by the plateau to the south. The highway turns south at Flynns Corner, intersecting former Highway 507\. It enters the town of Buckhorn from the north, then drivers must turn to remain on the route, which exits the town to the east.
The Snow Nunataks (or Ashley Snow Nunataks) are a line of four widely separated nunataks on the coast of Palmer Land, Antarctica, trending east–west for southward of Case Island. They consist of volcanic outcrops that probably represent several small subglacial volcanoes. Most of the nunataks are mounds of pillow lava overlain by lapilli tuffs. However, two of them may be tuyas due to the existence of subaerially-chilled caprocks.
The residual soils are overlain with aeolian deposits. It lies on limestone bedrock, which is found at depths 0.25 m to 8 m above sea level. The industrial area's strategic location and the high water table helps ensure that Mesaieed's groundwater remains unpolluted. In a 2010 survey of Mesaieed's coastal waters conducted by the Qatar Statistics Authority, it was found that its maximum depth was and minimum depth was .
The Alborz range is composed of a granite core overlain with sedimentary rock including limestones, shales, sandstones, and tuffs. Metamorphic rocks such as schists, marbles, and amphibolite are also widely found. The climate is arid with annual precipitation varying from 150 mm to 500 mm, falling mostly as winter snow. Elevations typically range from , and the highest point in the Middle East, high Mount Damavand, is found here.
The reserve is roughly 25 km across, and 40 km north of the Volga as it flows due east at this point. The north and west half of the reserve are forested, and the south and east are riverine wetlands. 80% of the territory is in the lowlands of the Kerzhenets river basin. The bedrock is Permian clay, marl and limestone overlain by 5 to 30 meters of alluvial sediments.
The ca. 200 m thick lower Cambrian Ardvreck Group consists of two formations, the basal Eriboll Formation and the overlying An-t-Sron Formation. The Eriboll Formation contains the Basal Quartzite member, with a basal conglomerate overlain by the heavily bioturbated Pipe Rock member with its distinctive skolithos trace fossils. The An-t-Sron Formation consists of calcareous siltstones of the Fucoid Beds and overlying sandstone of the Salterella Grit.
Part of the formation in the west is composed of carbonates (domal stromatolites with an east to west orientation and thin laminae of less than ). The stromatolites occur in a wide zone, reaching from east of the Uniab Fault to east of the Bergsig Fault system. The eastward sections comprise oolitic conglomeratic horizons of up to thick. The carbonates (mudstones and marls) are overlain by silty, partly calcareous shales.
S. rubropurpurata have a maximum length of 15mm (1.5 cm) and has a purple hue throughout the body tissues, overlaid by a white frosting of superficial pigment on the back and sides. The tips of the cerata and rhinophores are orange and the outer part of the oral tentacles is also overlain with white pigment.Rudman, W.B., 2001 (January 3) Flabellina rubropurpurata Gosliner & Willan, 1991. [In] Sea Slug Forum.
The bedrock is close to the surface in the interior, but is overlain by marine deposits in the coastal plain. The bedrock is in the Grenville Province. Metamorphic rock is gneiss, granitic gneiss and paragneiss Igneous rock is anorthosite, gabronite and granite. During the last ice age the area was covered in ice until around 9,000 years age, which left deposits of glacial till of varying depths throughout the region.
Allen, P. (1948) Wealden Petrology: The Top Ashdown Pebble Bed and the Top Ashdown Sandstone. Quarterly Journal of the Geological Society, 104, 257-321. This is overlain by an easily identified very coarse grained sandstone known as the Top Ashdown Pebble Bed, which is considered to be part of the overlying Wadhurst Clay Formation. The Top Ashdown Sandstone is the most persistent marker horizon in Early Cretaceous strata throughout the region.
The Whitehorse Formation is present in the Rocky Mountains and their foothills from the Canada–United States border in Alberta to the Sukunka River area of northeastern British Columbia. It is disconformably overlain by the Jurassic Fernie Formation and conformably underlain by the Sulphur Mountain Formation. It is correlative with the Charlie Lake, Ludington, Baldonnel and lower Pardonet Formations and, in the subsurface of northeastern British Columbia, the Schooler Creek Group.
Ahlberg et al., 2003, p.528 The formation overlies the Höganäs Formation and is overlain by the Vilhelmsfält Formation in the Helsingborg area and by the Mariedal Formation in the area of Landskrona and Kävlinge.Ahlberg et al., 2003, p.530 The Rya Formation is subdivided, from base to top, into the Döshult, Pankarp, Katslösa and Rydebäck Members. The formation is found in the Ängelholm, Helsingborg, Landskrona and Kävlinge areas.
The type locality of the Huincul Formation is near the town of Plaza Huincul in Neuquén Province after which the formation was named by Wichmann in 1929.Wichmann, 1929 This formation conformably overlies the Candeleros Formation, and it is in turn overlain by the Lisandro Formation. The Huincul Formation is thought to represent an arid environment with ephemeral or seasonal streams.Coria & Currie, 2006 In some areas, it is up to thick.
Guyana occurs within the northern part of the Guiana Shield. The Guiana Shield forms the northern part of the Amazonian Craton, the core of the South American continent. Most of the geology of northern Guyana consists of Palaeoproterozoic Orosirian greenstone belts (Barama and Mazaruni Supergroups) intruded by granites. These are overlain unconformably by the Statherian Burro-Burro Group, which consist of the Muruwa Formation sandstones and Iwokrama Formation felsic volcanics.
The Lingshi Basin is one example, beginning with a foundation of marble and phyllite lying atop older crystalline rock, overlain by tillite and limestone. In the basin, migmatite gneiss is transgressed by calc-schist, breccia, quartzite, limestone and recrystallized fossils. The Tang Chu Basin, on the other hand, holds Devonian rocks and fossils. Young faults and fracture zones formed in the last 2.5 million years of the Quaternary.
Optical computing replaces electronic signals with light processing devices. In 2014 researchers announced a 200 nanometer, terahertz speed optical switch. The switch is made of a metamaterial consisting of nanoscale particles of vanadium dioxide (), a crystal that switches between an opaque, metallic phase and a transparent, semiconducting phase. The nanoparticles are deposited on a glass substrate and overlain by even smaller gold nanoparticles that act as a plasmonic photocathode.
The shoreline in front of Cadmans originally (in 1816) consisted of water-worn sandstone bedrock, which was subsequently overlain by sand deposits following the construction of the Coxswain's barracks.Gojak; 1989 In the 1797 work on the dockyard commenced and additions and improvements were made over the next few years. In 1810 Macquarie became Governor and commenced a programme of building improvements which included the dockyard located next to the Cadmans site.
Tablet Rock Overlook in Wisconsin's Devils Lake State Park, located in the Baraboo Range Overall the region is characterized by an eroded plateau with bedrock overlain by varying thicknesses of loess. Most characteristically, the river valleys are deeply dissected. The bluffs lining this reach of the Mississippi River currently climb to nearly . In Minnesota, pre-Illinoian-age till was probably removed by natural means prior to the deposition of loess.
Oblique Apollo 16 image, facing north Nagaoka is a lunar impact crater that lies to the southeast of the Mare Moscoviense, on the far side of the Moon. To the east of Nagaoka is the somewhat larger Konstantinov. This is a moderately eroded crater formation, with the satellite crater Nagaoka W overlapping the northwestern rim. The remainder of the rim remains well-defined, although it is overlain by several tiny craterlets.
A new tunnel of 280 m length links the airport with Musaffah. The Musaffah Channel is a man-made canal, with gypsum crystals described as large and bladed. The banks at the eastern end of the Musaffah Channel reportedly have "Pleistocene reworked dune deposits, unconformably overlain by Holocene carbonates and sabkha evaporates". The channel's inner reaches are situated approximately inland from the location of the present-day lagoon.
It is correlative with other marine shales that occur farther west, such as the Bearpaw Shale, Mancos Shale and the Lewis Shale.G.A. Izett and others, The Pierre Shale near Kremmling, Colorado, and its correlation to the east and the west, US Geological Survey, Professional Paper 684-A. It correlates with the Lea Park Formation in central Alberta. The Pierre is overlain by marginal marine deposits of the Fox Hills Formation.
The Eldon Formation is present in the southern Rocky Mountains of southwestern Alberta and southeastern British Columbia. It reaches a maximum thickness of about 500 metres (1,640 feet) at Mount Bosworth on the Alberta-British Columbia border. The Eldon conformably overlies the Stephen Formation, which hosts the fossils of the Burgess shale, in the south, and the Snake Indian Formation in the north. It is conformably overlain by the Pika Formation.
San Juan Basin Upper Cretaceous stratigraphy The Fruitland Formation is a sedimentary geological formation containing layers of sandstone, shale, and coal. It was laid down in marshy delta conditions, with poor drainage and frequent flooding, under a warm, humid and seasonal climate. The Fruitland is underlain by the Pictured Cliffs Sandstone, and overlain by the more recent Kirtland Formation. The sequence of rocks represents the final filling of the Cretaceous seaway.
Jarvis is a crater that lies on the far side of the Moon. It is located within the walled plain Apollo, and lies in the eastern half of this basin within the interior ring. Jarvis has a low, somewhat worn outer rim that is generally circular. There is a wide break in the south-southeastern portion of the rim where is it partly overlain by the crater McNair.
The geology of the British Virgin Islands is closely related to that of the Lesser Antilles and Greater Antilles volcanic island arcs. Inference from other neighboring islands suggests Cretaceous igneous and sedimentary basement rocks, overlain by Paleogene andesite and basalt. Folding and igneous intrusion took place in the Eocene and Oligocene. The islands are separated from the Lesser Antilles by a very deep channel formed by faulting in the Pliocene.
The oldest rocks are in the Scotland Formation and include Eocene age turbidite and radiolarites. This unit is 4.5 kilometers thick from the sea floor to the surface. It is overlain by a syncline basin called the Woodbourne Trough, which includes pelagic sediments. Nappe formations of the Oceanic Formation, from a Miocene forearc basin filled with calcareous pelagic sediments and volcanic ash is thrusted on top of the two older units.
Phocylides, and Wargentin at right and Schickard in upper left. Nasmyth is a lunar impact crater located near the southwestern limb of the Moon. It is attached to the southeast rim of the flooded crater Wargentin, and the southern half is overlain by the larger Phocylides. The rim of Nasmyth is worn and impacted in several locations by craterlets, most notably Nasmyth D which lies across the north rim.
Thinning of the upper crust caused deeper, highly metamorphosed rock masses to rise to the surface, where it is overlain by younger faulted and domed rocks. There are more than 24 metamorphic core complexes in the Basin and Range Province as a whole. In some cases, faulted blocks have shifted more than 50 miles from the apex of the dome. Along detachment surfaces, mylonite forms due to shear.
Thomas Ridgeway Gould, The West Wind. (frontal view) 1876 Marble is a metamorphic rock derived from limestone, composed mostly of calcite (a crystalline form of calcium carbonate, CaCO3). The original source of the parent limestone is the seabed deposition of calcium carbonate in the form of microscopic animal skeletons or similar materials. Marble is formed when the limestone is transformed by heat and pressure after being overlain by other materials.
These are formed from bony plates embedded in the dermis which are overlain by horny ones and are partially fused with the ribs and spine. The neck is long and flexible and the head and the legs can be drawn back inside the shell. Turtles are vegetarians and the typical reptile teeth have been replaced by sharp, horny plates. In aquatic species, the front legs are modified into flippers.
In northwest Belgium the Tongeren Group (represented in that area mostly by the Zelzate Formation) is stratigraphically lying on top of the Maldegem Formation (middle Eocene clay and sand). This formation is lacking in the east of the country, where the Tongeren Group is found directly on top of rocks with older ages, like the Landen Group. The Tongeren Group is usually overlain by deposits of the late Oligocene Rupel Group.
The Rove sedimentary layers in the Nor'Wester Mountains are overlain by a cap of diabase; this Logan diabase is million years old. This diabase cap is the erosional remnant of a sill that once extended over the entire area. Most of it is covered by a thick layer of mineral soil. The north face of Mount McKay shows evidence that below this cap is another thick sill of very hard diabase.
The Dufek intrusion is associated with large volumes of Jurassic tholeiitic magmatism associated with the breakup of Gondwana. This magmatism stretched from northern Victoria Land to Dronning Maud Land and onwards into Africa and Australia. Stratigraphy within the intrusion includes the 1.8 km thick Dufek Massif section and associated nanataks. This massif section is composed of the 230 m thick Walker Anorthosite, with laminated plagioclase cumulates, overlain by the Aughenbaugh Gabbro.
The dales are 'U' and 'V' shaped valleys, the former enlarged and shaped by glaciers, mainly in the most recent Devensian ice age. The underlying rock is mainly Carboniferous Limestone, which results in a large areas of karst topography, in places overlain with shale and sandstone and topped with Millstone Grit, although to the north and west of the Dent Fault the hills are formed from older Silurian and Ordovician rocks.
These rocks are overlain by conglomerate and flysch from the Carboniferous, as well as acid tuff and Permian continental conglomerates. By contrast, the Kurama Unit has Proterozoic paragneiss, orthogneiss and granite intrusions in its basement rocks. Isotope dating indicates ages ranging from 1.9 billion to 230 million years ago for the metamorphic rocks. Vendian age sandstone and conglomerate intercalate with basalt, limestone and tuff, unconformably overlying the basement rock.
The Luscar Group is correlative with the Blairmore Group of the southwestern Alberta foothills; with the Bullhead Group and the lower part of the Fort St. John Group of northeastern British Columbia; and with the Mannville Group of the Alberta plains. It disconformably overlies either the Nikanassin Formation or the Minnes Group, and is disconformably overlain by either the Shaftesbury Formation or Blackstone Formation, depending on the location.
Souday is a former commune in the Loir-et-Cher department in central France. On 1 January 2018, it was merged into the new commune of Couëtron-au- Perche.Arrêté préfectoral 10 July 2017 Souday is situated 84 kilometres south west of Paris, near Vendôme. At 165 metres altitude, the village of Souday is built on a chalk plateau which is overlain by a sandy flint clay supporting profitable mixed agriculture.
It has two entrances on the north and south side, respectively. The minaret, in the north-east section, lies on a thin base and is barrel-shaped. An outdoor prayer area is accessible through four pathways in the courtyard, while the prayer hall has three entrances leading from the outdoor area. The roof covering the prayer areas was constructed using plaited reed mats overlain with a mixture of mud and straw.
The unit forms part of the Bas Limousin, a basement plateau that was peneplained during the Paleogene. The plateau's elevation oscillates between 300 and 400 meters. Geologically the unit's northern limit is the South Limousin Fault, a very important ductile, dextral wrench fault separating the Génis Unit from the Thiviers-Payzac Unit to the north. To the south the unit is overlain by liassic sediments of the Aquitaine Basin.
The Sassenach Formation is present in the Rocky Mountains and foothills of Alberta, extending from northern Jasper National Park to the North Saskatchewan River, and it has also been tentatively recognized in some areas farther south. It overlies the Southesk Formation or the Mount Hawk Formation, depending on the location. It is overlain by the Palliser Formation, and is laterally equivalent to the upper beds of the Alexo Formation.
Berlioz biographer D. Kern Holoman observed that, "as Berlioz saw it, the work is simply Beethovenian in design, with the narrative elements overlain. Its core approaches a five- movement symphony with the choral finale and, as in the [Symphonie] Fantastique, both a scherzo and a march.... The 'extra' movements are thus the introduction with its potpourri of subsections and the descriptive tomb scene [at the end of the work]."Holoman, 263.
The Monkton Quartzite consists of red ferruginous quartzite interbedded with lesser buff and white quartzites. Additionally, there are thick sections of dolomite (dolostone) containing algal laminations similar to the Winooksi Dolostone. The Monkton Quartzite preserves many primary sedimentary features, including wave-action ripples, rain-drop imprints, trilobite tracks, and burrows. The unit contains shallowing upward cycles of subtidal sand shoals overlain by intertidal beds of sand and silt.
The Conasauga shale overlies the Rome Formation, and in turn is overlain by the Knox Formation. The Conasauga Shale is present as far south as Talladega County, Alabama, and extends north to Calhoun, Cleburne, St. Clair, Etowah, Cherokee, and DeKalb Counties, and into Northwest Georgia. The Conasauga has one of the thickest shale sections in the world. Total organic content of the shale ranges from 0.5% to 1.5%.
Lodygin is a lunar impact crater to the southeast of the much larger crater Galois. To the east-northeast is the crater Paschen, and to the south- southwest is the immense Apollo. The outer rim of Lodygin has been heavily damaged along the western and northwestern sides, which lie closest to Galois. The rim along this face has been heavily modified and is overlain by multiple smaller craters.
The formation consists of very fine to fine buff fossiliferous sandstone with a maximum thickness of . The beds are flat, massive and have low-angle crossbedding. The formation intertongues with the underlying Rio Salado Tongue of the Mancos Shale and is overlain by either the Carthage Member of the Tres Hermanos Formation or the Moreno Hill Formation. It was deposited during the early to middle Turonian Age of the late Cretaceous.
The formation is likely correlative with the Alamitos Formation in the Sangre de Cristo Mountains. The formation is underlain by the Gray Mesa Formation, with its base defined by a sandstone interval atop an eroded limestone surface of the Gray Mesa Formation. It is overlain by the Bursum Formation or by the Abo Formation where the Bursum Formation is not present. The formation is divided into eight members.
The bioregion is made up of sandstone and shale overlain by basalt. The mountain's rough terrain makes it less accessible to visitors and prevented any significant exploitation of its mineral resources. The topography differs between the two countries. In Lesotho, the mountain range is made up of a continuous landscape of more rounded mountains with deep valleys that drain into Lesotho's Senqu River, known as the Orange River in South Africa.
The Winterburn Group is conformably overlain by the Wabamun Group and overlays the Ireton Formation, except in the Peace River Arch, where it rests on the Precambrian basement. It is correlated with the Birdbear Formation and part of the Three Forks Group in Saskatchewan, with the Southesk Formation and Alexo Formation in the Canadian Rockies and with the Redknife Formation and Kakisa Formation in north-eastern British Columbia.
Ahilyabai Holkar Chauk, Station Road, Aurangabad The entire area is covered by the Deccan Traps lava flows of Upper Cretaceous to Lower Eocene age. The lava flows are overlain by thin alluvial deposits along the Kham and Sukhana river. The basaltic lava flows belonging to the Deccan Trap is the only major geological formation occurring in Aurangabad. The lava flows are horizontal and each flow has two distinct units.
Del Rio Clay stratigraphic column in Texas The Del Rio Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group and the Georgetown Formation. Upper Cretaceous formations follow, starting with the Del Rio Clay, Buda Limestone, and then the Eagle Ford Group.
Boreholes indicate that the Rus Formation lies atop the Umm er Radhuma Formation. Due in part to anhydrite beds, the Rus Formation has salty brines at its base overlain by the freshwater Zone C aquifer. Limestone from the formation is widely used for concrete production. The Sharks Tooth Shale of the Dammam Formation from the middle Eocene overlies the Rus Formation with gray-yellow shale, marl and dolomite.
Locations of chloride-bearing deposits (black) overlain on a Mars Orbiter Laser Altimeter (MOLA) elevation map (grayscale). Inset is of a region in Terra Sirenum investigated by Davila et al. (2011). Color represents elevation as determined by MOLA (red is higher elevation, yellow is lower elevation). Across the southern highlands of Mars, approximately 640 sites of chloride- bearing deposits have been identified using the Thermal Emission Imaging System (THEMIS).
The northern parts of Buckbarrow, blending into the slopes of Seatallan, are overlain by drift deposits, much peat being in evidence around Glade How. The summit area shows outcropping of the Birker Fell Formation, an undivided sequence of generally plagioclase-phyric andesite lavas with subordinate sills. At the bottom of the slope are examples of granophyric microgranite, representative of the Ennerdale Intrusion. Dykes of basalt and dolerite run through both formations.
An early map of the extent of Lake Agassiz (by 19th century geologist Warren Upham). This map is now believed to underestimate the extent of the region once overlain by Lake Agassiz. The largest of all the proglacial lakes was Lake Agassiz, a small part of which occupied the present Red River Valley of Minnesota and North Dakota. Glaciers to the north blocked the natural northward drainage of the areas.
The Marros Group is the modern name for the South Walian rock sequence traditionally referred to as the Millstone Grit Series. It consists of the Twrch Sandstone Formation (traditionally the ‘Basal Grit’), overlain by the Bishopston Mudstone Formation (traditionally the Middle Shale(s)). The latter contains numerous thin sandstones, some of which are named and which provide for notable features in the landscape of the park, e.g the Twelve Foot Sandstone.
Temecula Basin is a sedimentary basin, which, along with the Aguanga Basin, is part of the Elsinore Fault Zone, in southwestern Riverside County, California. The Temecula Basin is a basin of down faulted Mesozoic basement rock, overlain by late Cenozoic continental sediments. John F. Mann, Geology of a Portion of the Elsinore Fault Zone, California, Special Report 43, Department of Resources, Division of Mines, San Francisco, October 1955.
Quincy lies atop a part of the Columbia River Basalt Group which is overlain by Pleistocene outburst flood deposits. The Missoula Floods had one of their outlets at Trinidad, close to Quincy and another near Ancient Lakes, which includes the Ancient Lakes of the Columbia Valley AVA. Glacial erratics carried from as far away as Montana can be found nearby. The area also has an abundance of rimrock.
Hobbs Quarry () is a 0.5 hectare geological Site of Special Scientific Interest near Shepton Mallet on the Mendip Hills in Somerset, notified in 1984. This disused quarry, which now forms the back of a builders merchants yard, is a Geological Conservation Review Site which demonstrates early Jurassic transgression, with steeply-dipping Carboniferous Limestone being overlain by flatter-lying massive limestones (of early Jurassic age) known as the Downside Stone.
Oblique Lunar Orbiter 5 image, facing west Harkhebi is a large lunar impact crater of the category termed a walled plain, on the far side. Half of the crater to the north-northeast is overlain by the walled plain Fabry, a large formation in its own right. Attached to the northwestern rim is the much smaller crater Vashakidze. To the southwest lies Vestine, and to the south is Richardson.
Presidio Mine Cross Section At the Presidio Mine, which started operation in 1880, the Permian Cibolo limestone formation is overlain unconformably by the Presidio formation, a massive dark-grey Cretaceous limestone. The Shafter limestone rests unconformably on the Presidio formation. Ore deposits are found in the Permian limestone and consist of supergene replacement minerals argentite and cerargyrite along the bedding. Veins and replacement mineralization are present in the overlying Cretaceous beds.
Patterns in the age and context of rock art in the Northern Cape. South African Archaeological Bulletin 44, 73-81. yielding two Later Stone Age aggregates - a Wilton assemblage overlain by Ceramic Later Stone Age, with associated radiocarbon readings of 1790±60 BP and 1230±80 BP. J.H. Power had picked up here a pressure-flaked tanged and barbed stone arrowheadClark, J.D. 1959. The prehistory of Southern Africa.
These are overlain by thick mafic alkaline lava flows and at least 30 small cinder cones. Hawaiite is the dominant rock type, but alkali olivine basalt and spinel lherzolite-bearing basanite is also present. They merge laterally with lavas of the much older Chilcotin Group, which surrounds the Anahim Volcanic Belt. However, the exact nature of the relationship between the Anahim Volcanic Belt and the Chilcotin Group is unknown.
Painted plaster covered the interior brick walls, and the concrete floor was overlain with a ceramic tile mosaic. Its features, including its large windows, were designed to be easily cleaned and disinfected after each surgical procedure. The original design included kerosene lamps, which were replaced in 1897 by electrical fixtures when the entire hospital was connected to the electricity grid. The building was connected to the hospital via a corridor.
The crater was named for 14th century Syrian-born Kurdish historian Ismael Abul-fida.Biographical Dictionary of the Archival and Documentation Site on MuslimsAbu al FidaAbu al FidaAbu-al-Fida at Encyclopaedia BritannicaIdentifiants et Référentiels Sudoc Pour L'Enseignement Supérieur et la Recherche - Abū al-Fidā (1273-1331) Autostar Suite Astronomer Edition. CD-ROM. Meade, April 2006. Both the south and northeast sides of the crater rim are overlain by multiple small craterlets.
The San Benito Formation is a Katian geologic formation of central Bolivia. The formation belongs to the Cochabamba Group, overlies the Anzaldo Formation and is overlain by the Cancañiri Formation. The thick formation comprises a succession of shallow water quartzitic sandstones with minor interbeds of dark grey micaceous siltstones. Shelly fossils have been found at few horizons and consist mainly of linguliformean brachiopods, bivalves, and a few homalonotid trilobite remains.
Lucchitta, I, and JD Hendricks (1983) Characteristics, depositional environment and tectonic interpretations of the Proterozoic Cardenas Lavas, eastern Grand Canyon, Arizona. Geology. 11(3): 177–81. Deep reddish, (and dipping), Dox Formation overlain by Cardenas Basalt, in contact above with multi-banded, horizontal Nankoweap Formation-(Grand Canyon Supergroup), downstream from Tanner Canyon, Tanner Rapid, and Tanner Graben. The Cardenas Basalt is composed mainly of thin discontinuous beds of pahoehoe lava flows of olivine-rich basalt.
The Alexo Formation is present in the central Rocky Mountains of Alberta and the adjacent foothills, extending from the Crows Nest Pass area in the south to the North Saskatchewan River in the north. It overlies the Southesk or Mount Hawk Formation, depending on the location. It is overlain by the Palliser Formation. The Alexo was originally considered to extend as far north as Jasper but was revised by McLaren and Mountjoy in 1962.
Ornamented paired osteoderms are seen as derived conditions in Doswellia and crurotarsan archosaurs. Some studies have not considered Tarjadia to be a close relative of Doswellia because of differences in the structure of the vertebrae. Moreover, Tarjadia possesses a prefrontal bone in the skull which is absent in Doswellia. Among crurotarsans, vertebrae that are each overlain by a single row of pitted, paired osteoderms as in Tarjadia are seen in aetosaurs, phytosaurs, and Crocodylomorpha.
The Fowler Domain is a major tectonic zone on the north-western flank of the Gawler Craton comprising dense, magnetic, highly deformed, intermediate to ultramafic intrusives overlain by thin Tertiary sands and recent sand dunes. Aeromagnetic surveys show the presence of a high concentration of crustal scale fractures and faults in this area. These structures could have provided pathways for the intrusion of mafic-ultramafic bodies with potential for nickel sulfides, chromite and platinoids.
Some amphibolite layers record the metamorphosed remains of a tholeiitic magma series. The early folding and metamorphism in the Ibadan area was followed by the emplacement of aplite schist and microgranodiorite dikes during the Liberian orogeny 2.75 billion years ago. More intense deformation followed 2.2 billion years ago during the Eburnean orogeny. Metazquartzites in the Ibadan area, likely from the Proterozoic, are overlain by pelite schist, intruded by mafic sills rich in magnesium.
2011 The formation is thought to be separated from the underlying lower Vadito Group by a significant unconformity. It is overlain by the Ortega Formation. Based on uranium-lead dating of zircons, the age of the formation is 1.693 Mya, and it is interpreted as metamorphosed rhyolites from the waning stage of back arc rifting associated with the Yavapai orogeny. It likely correlates with the Burned Mountain Formation in the Tusas Mountains.
Deposition of the Karoo Supergroup continued into the Mesozoic, with the sequence capped by basalt lava flows from the Jurassic. Today, the basalt is exposed on the walls of Batoka Gorge, below Victoria Falls. The Karoo Supergroup is overlain by Late Jurassic and Cretaceous sandstones and mudstone, and intruded by carbonatite and kimberlite. During the past 66 million years of the Cenozoic, the Kalahari Desert underwent a major expansion during a long lasting dry period.
Lunar Orbiter 4 image Another Lunar Orbiter 4 image, facing south Röntgen is a relatively large lunar impact crater that lies along the northwestern limb of the Moon. Its northwestern outer rim is partly overlain by the crater Nernst. Both Nernst and Röntgen overlie the eastern rim of the much larger walled plain Lorentz. The smaller crater Aston is separated from the eastern edge of Röntgen by only a few kilometers of terrain.
The top of the structural trap is marked by a pre-Pennsylvanian unconformity with sediments subcropping against the Oswego Lime.Gatewood L.E., 1970, Oklahoma City Field - Anatomy of a Giant, AAPG Memoir 14: Geology of Giant Petroleum Fields, Tulsa: AAPG, p. 227. The sedimentary section starts with the Arbuckle Dolomite overlain by Simpson strata, which includes the Oil Creek, McLish, Tulip Creek, and Wilcox sandstones, of Ordovician age, with the Wilcox being the most productive zone.
The crater is well preserved at depth, with a clear rim, breccia and minerals and rocks formed from the heat and pressure of the impact. The limestone is overlain by Pleistocene glacial deposits that were deposited as the ice cap retreated 11 to 12 thousand years ago. These include terminal moraines, the two most prominent being one in the South of Island running towards the North-East and another forming the Kõpu Peninsula.
All of the vertebrae have amphicoelous centra (bearing concave articular faces). Reconstructed pelvis The morphology of the medial process of the scapula of Tatenectes is diagnostic of this genus. These processes are anteroposteriorly short, with the posterior ends of each process contacting the other along the midline and a notch separating their anterior ends. The top of this notch is overlain by a distinctive clavicle, which is flat and simple in morphology.
After the last mine shut down in 1992, the community transformed into a retirement destination. Tourism in the area also began to grow and is now the area's main industry. In 1971 workmen excavating in an open-pit copper mine at Babine Lake discovered the partly articulated skeleton of a Columbian Mammoth. The bones were taken from silty pond deposits overlain by very thick boulder-clay deposited by the last glacier that covered the area.
Results yielded the pre- deformational paleogeothermal gradient to a range of <30 to 11 °C/km compared to 18–22 °C/km during peak coalification and maximum temperatures. These results are indicative that the Lewis thrust sheet succession was overlain by at least 3 km of additional Late Cretaceous strata, along with the 8 km thick succession indicating that the Lewis thrust sheet had an approximate thickness of 12–13.5 km prior to thrust movement.
In common with much of the Northern Fells, the Kirk Stile Formation of the Skiddaw Group predominates. It is composed of laminated mudstone and siltstone with greywacke sandstone and is of Ordovician age. Unusually however, it is overlain by considerable beds of peat in the vicinity of Mungrisdale Common.British Geological Survey: 1:50,000 series maps, England & Wales Sheet 29: BGS (1999) The Glenderaterra valley was the scene of some mining activity in the 19th century.
The bedrock beneath the park is two billion year old granite, which is overlain by 600 million year old Cambrian sandstone. An outcrop of this sandstone is visible south of the swimming beach. Otherwise these rock layers are blanketed by a thick layer of glacial sand and gravel. During the last ice age 15,000 years ago the Chippewa Lobe of the Wisconsin glaciation ended just six miles (10 km) northeast of the park.
A section near the Neuquén City airport, north of the town of Plottier, is the type locality of the Plottier Formation.Fossa Mancini et al., 1938 At its base, this formation grades into the Portezuelo Formation, and it is in turn overlain conformably by the Bajo de la Carpa Formation, a unit of the Río Colorado Subgroup. The Plottier Formation is the thinnest formation within the Neuquén Group, with a maximum thickness of only .
The Guavio Formation, the lowermost unit of the Cáqueza Group, overlies the Batá Formation and is overlain by the Macanal Formation. The unit is subdivided into five members, from old to younger; Conglomerado de Miralindo, Lutitas de Miralindo, Caliza de Malacara, Lutitas de Las Mercedes and Caliza de Las Mercedes. The age has been estimated to be Tithonian to Berriasian, spanning the Jurassic-Cretaceous boundary. Stratigraphically, the formation is time equivalent with the Arcabuco Formation.
Clementine image Klaproth is an old lunar impact crater that lies in the rugged southern highlands of the Moon's near side. Due to its location, this crater appears significantly foreshortened when viewed from the Earth. The southern rim of the crater is overlain by the similar-sized crater Casatus, and to the north-northeast lies Blancanus. The outer rim of Klaproth has been deeply eroded, incised, and reshaped by a long history of bombardment.
Below the water table, where in general all pore spaces are saturated with water, is the phreatic zone. Substrate with low porosity that permits limited transmission of groundwater is known as an aquitard. An aquiclude is a substrate with porosity that is so low it is virtually impermeable to groundwater. A confined aquifer is an aquifer that is overlain by a relatively impermeable layer of rock or substrate such as an aquiclude or aquitard.
The geology of the area around Kimmeridge Bay is world-renowned. It comprises bedrock formed in the Late Jurassic epoch, overlain in many places by superficial Quaternary head deposits. The bedrock is mostly Kimmeridge clay, except for the top of Smedmore Hill and along to Swyre Head, which is formed from Portland stone. Between this and the Kimmeridge clay, and outcropping just beneath the top of the hill, is a thin band of Portland sand.
Los Bastos Formation is a geologic formation of the Neuquén Basin in the northern Patagonian provinces of Mendoza and Neuquén. The formation dates to the Late Cretaceous, early to middle Coniacian, and belongs to the Río Neuquén Subgroup of the Neuquén Group. The formation overlies the Portezuelo Formation, in which it was formerly included and is overlain by the Sierra Barrosa Formation. Los Bastos Formation comprises mudstones and sandstones deposited in a fluvial environment.
During the Ypresian, the first conglomerates start being delivered. This very thick conglomeratic formation, called the Poudingues de Palassou, is the indicator for the most important orogenic phase in the Pyrenean domain, the Pyrenean Main Phase, which was accompanied by very strong deformations and uplifts. The conglomerates are later unconformably overlain by end–Eocene strata, therefore the orogenic phase can be assigned to the interval Ypresian/Lutetian, i.e. roughly 50 to 40 million years ago.
Petit Bam-Bam Airport is an airstrip serving Petit Bam-Bam, an exposed geologic formation of white clay overlain with red clay on the border between Estuaire and Moyen-Ogooué Provinces in Gabon. The airstrip is within Gabon's Wonga Wongue National Park, and is east of Petit Bam‑bam. It is southeast of the larger Grand Bam‑bam formation. The Port Gentil VOR (Ident: PG) is located west-southwest of the airstrip.
The Spirit River Formation is conformably overlain by the Peace River Formation and conformably underlain by the Bluesky Formation. It grades laterally to the Buckinghorse Formation shales to the north-east, and into the sandy facies of the Malcolm Creek Formation south of the Wapiti River. It is equivalent to the upper Mannville Formation in Central Alberta and to the Clearwater Formation and Grand Rapids Formation in the upper Athabaska River area.
A detachment province of Oligocene-Miocene age is located both onshore and within the offshore continental shelf. Primarily made up of listric down-to-the-basin growth faults, the system is overlain by up to five kilometers of deltaic sediments. Subsidence of these sediments is often due to simple gravitational failure or deeper extensional faulting associated with salt withdrawal. The abundance of sandstone in the area makes Louisiana a prime petroleum reservoir.
It is characterized by temperatures less than 2 °C in the salinity ranges from 34.7 to 34.9.Blindheim, J. (1990) Arctic Intermediate Water in the Norwegian Sea, Deep-Sea Research, 37, 1475-1489 The upper AIW is usually found at 75~150m, overlain by Arctic Surface Water (ASW). However, it could be found at the sea surface in winter. There are overlaps in density for upper and lower AIW according to their definitions.
The sequence rests on essentially horizontal Karoo Supergroup sedimentary rocks of the Kalahari Craton to the west and is overlain by Cretaceous to recent sediments to the east. The alternating resistant rhyolite and easily eroded basalts produce a series of parallel sharp cuesta ridges separated by savanna plains.Manninen, Tuomo, et. al., The Karoo Volcanic Rocks and Related Intrusions in Southern and Central Mozambique, Geological Survey of Finland, 2008, Special Paper 48, pp.
The Elbbach's broad lower reaches follow a tectonically created fault (Elzer Graben) which stretches northwards into the community of Dornburg. The Devonian bedrock here is, especially west of the Elbbach, overlain with thick sedimentary fill from the Tertiary (clays, sands, gravels) of which especially the quartz sand has afforded the region some economic importance. Overlying these in turn are layers of Ice Age loess deposits, which have laid the basis for fruitful agriculture.
The Mannville Group is discomformably overlain by the Joli Fou Formation shale of the Colorado Group. It rests unconformably on the older Paleozoic carbonates. It is correlated with the lower Blairmore Group in the Canadian Rockies foothills and to the Bullhead Group and the Spirit River Formation of the Fort St. John Group in north-western Alberta. It is also equivalent to the Cantuar Formation in Saskatchewan and the Swan River Formation in Manitoba.
The central cavity and its sediment fill are interrupted by two diagonal high bedrock ridges that connect the brim to the central peak. Using high-resolution seismic, it was found that the bedrock is locally covered with a thin veneer of glacial till overlain by of glaciomarine and postglacial sediments. The discontinuous nature of the rings results from either partial burial of the rings under these sediments or partial erosion of the rings.
The geology of Annet is of Hercynian granite overlain with raised beach deposits. On the southern end there is a "thick bed of soil, part sand and part soil". The island is low-lying with a top height of 18 m and the coast consists of boulder storm beaches. The effects of wind exposure, salt spray and lack of topography, restricts diversity and only 53 species of vascular plants have been recorded.
Map and stratigraphic column of the Tendaguru Formation The Tendaguru Formation represents the oldest sedimentary unit in the Mandawa Basin, directly overlying Neoproterozoic basement consisting of gneiss. The contact contains a large hiatus, a missing sequence of stratigraphy, spanning the Paleozoic, Triassic and Early Jurassic. The formation is unconformably overlain by late Early Cretaceous sediments of the Makonde Formation, that forms the top of several plateaus; Namunda, Rondo, Noto, and Likonde-Kitale.Bussert et al.
Lochwood Tower, a Motte-and-bailey castle overlain by a later stone castle, lies on the east of a promontory about long and wide, which thrusts northwards into an area of largely-unreclaimed moss. The tower, which was once a strong castle, incorporates some 15th-century work. Not much remains above the level of the vaulted basement. There was a courtyard contained by a wall, which contained the kitchen and other buildings.
Above the Pre-Neogene sequence lies a major unconformity, overlain by early Miocene rocks. This unconformity is the result of the area being subjected to subaerial erosion, but then was followed by a marine transgression, which deposited the overlaying Miocene rocks. This transgression originally deposited near-shore sands, followed by shallow water siltstones. Towards the middle Miocene, the region developed into a carbonate shelf, and these carbonates make up the rest of this sequence.
The northwestern part of the Lochmaben Basin also has lavas of the Carron Basalt Formation at the base of the sequence. These are overlain by interbedded silty sandstones and breccio-conglomerates of the Hartfield Formation. The Hartfield Formation passes up into the thick aeolian sandstones of the Corncockle Sandstone Formation. The uppermost part of the succession is the Lochmaben Formation formed of interbedded siltstones and fine-grained sandstones with layers of coarse-grained sandstone.
State Route 159 (SR 159) is a west to east highway in the U.S. state of Tennessee that is 12 miles (20 km) long. It begins in Carter County at State Route 67 and ends in Johnson County at the North Carolina state line. State Route 159 is little-known by the general public by this designation as it is overlain by U.S. Route 321; the "159" designation is seen on mileposts.
Dolerite dykes intruded the extrusive volcanic rocks around 563 million years ago. A variety of the intrusive igneous rock granophyre, known as Ercallite forms the northeastern shoulder of the Ercall. It was put in place around 560 million years ago and is overlain by Cambrian rocks of sedimentary origin.Toghill, P. 2006 Geology of Shropshire 2nd edn Crowood Press The southeastern side of the ridge is largely formed from sandstones and shales of Cambrian age.
Late Triassic (220 Ma) The Elliot Formation unconformably overlies the Molteno Formation and is conformably overlain by the Clarens Formation. Due to the reddish colour of the rocks, the Elliot Formation is colloquially referred to as the “Red Beds” in older literature. The Elliot Formation is dominated by mudstones and siltstones that can be finely laminated. However, the internal structures in the mudstones are often not visible due to locally poor laminations.
This inversion event was followed by deposition of upper Carboniferous red beds, which pass up into sands of the Permian Rotliegend Group; these are overlain by evaporites of the Zechstein Supergroup. A major phase of basin inversion during or at the end of the Late Cretaceous affected many basins in northwestern Europe, including the Sole Pit Basin and the Cleveland Basin, and has been attributed to strike-slip reactivation of basement faults.
Shallow tropical seas dominated Wyoming during the Paleozoic. The Cambrian Gros Ventre Formation is made up of shale and limestone, overlain by the Ordovician Bighorn Dolomite and the Mississippian Madison Limestone. Small unconformities appear in the stratigraphic record due to periodic erosion or lack of deposition on the Wyoming shelf. During the Pennsylvanian, the uplift of the ancestral Rocky Mountains began, with a prong known as the Pathfinder uplift extending into Wyoming.
It is the lowest unit of the Nanxiong Basin, a small graben created during Mesozoic rifting. Buck et al. state that it overlies Jurassic granite basement, and is conformably overlain by the Shanghu Formation. Alternative stratigraphic schemes for the Nanxiong basin have been proposed, one of which refers to the Nanxiong succession as the Nanxiong Group, and dividing it into the Yuanfu, Zhutian and Zhenshui formations, and overlying the Albian to Turonian Changba Formation.
Oxford University Press, New York. The Dox Formation comprises the bulk of the Unkar Group, the base section of the Grand Canyon Supergroup. The Unkar Group is about thick and composed of, in ascending order, the Bass Formation, Hakatai Shale, Shinumo Quartzite, Dox Formation, and Cardenas Basalt. The Unkar Group is overlain in ascending order by the Nankoweap Formation, about thick; the Chuar Group, about thick; and the Sixtymile Formation, about thick.
The lowermost member of the Dox formation is the Escalante Creek Member. It consists of over of light-tan to greenish brown, siliceous quartz sandstone and calcareous lithic and arkosic sandstone overlain by of dark-brown-to-green shale and mudstone. The sandstones of the Escalante Creek member exhibit small-scale, tabular-planar cross-bedding, and graded bedding. The graded shale beds contain interclasts at the base of this member of the Dox Formation.
This crater has a relatively low, eroded rim that is heavily damaged along the southeastern section. This portion is overlain by Deutsch F along the east and Deutsch L to the south, with an irregular region between these two formations. The interior floor of Deutsch is relatively level, but is marked by a number of small impacts. A ray from Giordano Bruno to the north-northwest passes along the western edge of Deutsch.
There are also areas in the lowlands that are outside any of the impact basins, these areas must be overlain by multiple ejecta blankets and should stand at elevations similar to the original planetary surface. That clearly is not the case either. One approach explaining the absence of ejecta blankets infers that no ejecta was ever present. Absence of ejecta could be caused by a large impactor scattering the ejecta into outer space.
The Pensacola Mountains were originally continuous with the Ventana Mountains near Bahía Blanca in Argentina, Cape Fold Belt in South Africa, the Ellsworth Mountains (West Antarctica) and the Hunter-Bowen orogeny in eastern Australia. The Ordovician- Devonian Neptune Group rests unconformably on a Cambrian succession, and is overlain disconformably by the Dover Sandstone of the Beacon Supergroup. Within the Neptune Group is the Brown Ridge Conglomerate, Elliott Sandstone, Elbow Formation, and the Heiser Sandstone.
The base of the Bear Den Member consists of kaolinitic claystone, mudstone and sandstone that weather to white, light grey, orange, and purple. These are overlain by grey or brownish carbonaceous sediments and, in some areas, a bed of lignite (the Alamo Bluff lignite). In places the sequence is capped by a siliceous bed (the Taylor bed) that represents a weathering surface or paleosol. The Bear Den Member reaches a maximum thickness of about .
Bulletin of Canadian Petroleum Geology, vol. 33, p. 213-226. The Ravenscrag Formation is unconformably overlain by the Eocene age Swift Current Formation, and it is exposed at surface where younger formations have been removed by erosion. It is equivalent in age to the upper part of the Scollard Formation and the lower part of the Paskapoo Formation in southern Alberta, and to the Fort Union Formation in Montana and North Dakota.
State Route 9 (SR 9) is a west-to-east state highway in the U.S. state of Tennessee that is long. It begins in Campbell County and ends in Cocke County. SR 9 is little-known by the general public by this designation as it is overlain by U.S. Route 25W and U.S. Route 25 east of Newport; the "9" designation is seen on mileposts. The entire route is located in East Tennessee.
The Río Colorado Subgroup, formerly named as Río Colorado Formation, is a Late Cretaceous (Santonian to Early Campanian) geologic subgroup of the Neuquén Basin in northern Patagonia, Argentina. It belongs to the Neuquén Group and contains the Anacleto and Bajo de la Carpa Formations. The subgroup overlies the Río Neuquén Subgroup and is overlain by the Allen Formation of the Malargüe Group, separated by an unconformity dated to 79 Ma.Leanza et al., 2004, p.
The Liubava Formation from the Paleocene lies disconformably atop Maastrichtian age rocks and includes marl and glauconite silt 56 meters thick. It is overlain disconformably by the Eocene Alka Formation glauconite sands, silts and phosphorite up to 27 meters thick. The Prusai Formation with 10 to 12 meter thick amber, phosphorite and glauconite silts overlies both units. Carbonaceous sands with layers of silt and clay up to 18 meters thick deposited during the Miocene.
Neogene andesite from Krupina In the Paleogene, at the beginning of the Cenozoic, a marine transgression flooded the region from the vicinity of the Flysch Belt into the area of the Central West Carpathians. Paleogene sediments are found in the Orava, Liptov, Spiš, Zilina and Podhale depressions. In the Peri Klippen Zone, sedimentation began in the Paleocene, such as the Kambühel Limestone. Conglomerate is common as the bottom strata, overlain by flysch.
The geology of Transnistria includes some of the region's rare exposures of rock from before the Neogene along the Dniester River. The area is underlain by East European Platform rocks from the Precambrian, including granite, gneiss and gabbro from the Archean and Paleozoic. Paleozoic rocks are overlain by Triassic and Jurassic conglomerate, sandstone, siltstone and limestone that lack fossils. Quaternary deposits from the last 2.5 million years cover almost the entire country.
2002 The formation is generally overlain and interbedded with flows of the Paliza Canyon Formation. It overlies beds of the Santa Fe Group. Radimetric ages for this formation range from 12 to 8 million years. Peralta Tuff at Kasha-Katuwe Tent Rocks National Monument The Bearhead Rhyolite is a thick stack of rhyolite tuffs, flows, domes, and associated shallow intrusions exposed from the northeastern Valles caldera rim to north of Cochiti Pueblo.
The Qiseib Formation is found throughout the Gulf varying in thickness between 8 m and 300 m. It is thought to be mainly Triassic in age, although it is considered to include Permian strata near its base near Wadi Araba. The Qiseib Formation consists of sandstones, conglomeratic at the base with an overall fining upward trend. The Qiseib Formation is overlain by the sandstones of the Malha Formation of upper Jurassic to lower Cretaceous age.
These sandstones are up to 400 m in thickness, form an important reservoir in the Gulf of Suez and are known informally as the 'Nubian' sandstone. The upper Cretaceous sequence consists of shallow marine deposits that generally thicken northwards. The Cenomanian Raha Formation, a sequence of interbedded shales limestones and sandstone, is succeeded by limestones of the Turonian Wata Formation. This is overlain by sandstones and shales of the Coniacian-Santonian age Matullah Formation.
Maintenance of drainage systems is essential in the heavy clay soils which underlie most of Sidney. Almost all of the land within Sidney's boundary is either flat or very gently sloping, providing a topography which is favourable for the town's elderly people. Most soils are clayey, and poorly drained in their natural state. In some parts of town, this clay is overlain by deposits of sand and gravel which are well drained.
In the type area, the Deadwood Formation consists of a basal conglomerate and buff sandstones, overlain a sequence of by grey-green shales, carbonate rocks, and glauconitic quartzose sandstones. Skolithos borings are present in some units. The Deadwood conglomerates contained significant quantities of gold in the Black Hills. In Saskatchewan the Deadwood consists of fine to very coarse, commonly glauconitic, micaceous, feldspathic, slightly argillaceous and calcareous quartzose sandstones, with minor shales and conglomerates.
The formation is composed mostly of marine beds consisting of alternating cycles of limestone and siliclastic sedimentary bedsKrainer et al. 2003 with a thickness of about at the type section. It is exposed only in a small area of the northernmost Sacramento Mountains, and transitions to mostly continental red mudstones some thick before abruptly pinching out to the southeast. The formation lies on the Holder Formation and is overlain by the Abo Formation.
The El Cobre Canyon Formation consists of siliclastic red beds with a total thickness of roughly . These lie on Proterozoic basement and are in turn overlain by the Arroyo del Agua Formation. The formation is 66% siltstone and 21% sandstone, with minor conglomerate (9%) sandy shale (2%), and calcrete (1%). The beds are pale reddish brown in color, and can readily be distinguished from the orange beds of the overlying Arroyo del Agua Formation.
The reversible lithium peroxide reaction is the basis for a prototype lithium–air battery. Using oxygen from the atmosphere allows the battery to eliminate storage of oxygen for its reaction, saving battery weight and size. The successful combination of a lithium-air battery overlain with an air-permeable mesh solar cell was announced by The Ohio State University in 2014. Patent- pending device invented at The Ohio State University: the world’s first solar battery.
The Western Gneiss Region in northern Norway is composed of 1650–950 Ma-old gneisses overlain by continental and oceanic allochtons that were transferred from Laurentia to Baltica during the Scandian orogeny. The allochtons were accreted to Baltica during the closure of the Iapetus Ocean c. 430–410 Ma; Baltica's basement and the allochtons were then subducted to UHP depth c. 425–400 Ma; and they were finally exhumed to their present location c.
The Lynton Formation sandstones are overlain by those of the Hangman Sandstone Formation (traditionally the Hangman Grits) of Eifelian to Givetian age and which may be up to 2500m thick. This unit also includes some shales, mudstones, siltstones and conglomerates. These rocks are exposed along the entire coast east from Hangman Point to Woody Bay and again from Countisbury Hill to Porlock Weir. They also form the cliffed coast of North Hill, west of Minehead.
Ruggs' geologic history echoes that of other areas in the region. Ruggs is geologically situated within the Columbia Basin, a region overlain with Loess soils and rugged basaltic foothills that were the product of glacial floods and Columbia River Basalt Group lava flows. Basalt is the major bedrock underlying the canyons and plateaus surrounding Ruggs. Ruggs is situated close to where the Columbia Basin and Blue Mountain ecological provinces end and begin, respectively.
Parotosuchus, an index fossil of the Yarenskian. The Yarenskian Gorizont ("Yarenskian Horizon") is a major biostratigraphic unit in Russia corresponding to Upper Olenekian-age terrestrial sediments. It lies above the Ustmylian Gorizont of the Vetlugian Supergorizont, and is located below a short unconformity overlain by the Donguz Gorizont. Some paleontologists elevate the Yarenskian to a supergorizont and subdivide it into two smaller units: the older Fedorovskian Gorizont and the younger Gamskian Gorizont.
The sediment Karoo, which is oldest unit in the sequence and composed of sandstone and shale is overlain by Adigrat Sandstone. Oldest to Cretaceous sedimentary arrangements overlay the Adigrat sandstone. Field observations and drilling’s in the area indicate that the formation is highly fractured, which leads to a favourable formation for groundwater to occur and move. The newer formations are dominated by impermeable units that inhibit groundwater movement, such as marble and shale.
280px Steinacleit is a prehistoric archeological site on the west coast of Lewis in the Outer Hebrides of Scotland. The site consists of an array of boulders which marks what is left of a chambered cairn, and possibly shows the site was overlain by a huge hall. There are ten large stone slabs surrounding the central mound. Folk legend of the Outer Hebrides states there was probably a battlefield near the location.
Chromium ore was extracted from the massif for decades and it also hosts dunite, harzburgite, veins and lenses of gabbro and rodingite. Gabbro-diorites of the ophiolite suite include the Demir Kapija-Gevgelija, Klepa and Skopska Crna Gora massifs in the central part of the Vardar Zone. The Demir Kapija-Gevgelija Massif extends over an area of 400 square kilometers. Basal conglomerate in the Demir Kapija area are overlain by massive limestones from the Tithonian.
The site's geology broadly comprises glacial deposits deep overlying bedrock, with some areas overlain with peat to a depth of . The bedrock was formed during the Triassic-Jurassic period and consists mainly of sandstone, greywacke, shale and conglomerate. Groundwater in the area is produced from both the bedrock and shallow aquifers. The water table is at or near the surface for most of the year, and the area is generally low and swampy.
The fault-bound Waterberg Basin is shown in light blue Late Permian (260 Ma) Late Triassic (220 Ma) The Omingonde Formation is named after a water well in Mount Etjo, Namibia. The formation is a lithological unit with an approximate maximum thickness of , deposited in the Waterberg Basin where it overlies the Damara basement,Thickness variations of the Omingonde Formation and is unconformably overlain by the Early Jurassic Etjo Sandstone.Wanke et al., 2000, p.
The base of the Old Red Sandstone has traditionally been defined at the base of the Tilestones Formation, a thin mica-rich sandstone at the Ludlow – Pridoli boundary. It is overlain by around 700m thickness of mudstones and siltstones with occasional sandstone beds and calcretes known as the Raglan Mudstone Formation. An airfall volcanic ash deposit (tuff) up to 1m thick, the Townsend Tuff Bed, can be seen towards the top of this formation.
The Gai-As Formation is named after the ruins of a colonial German police station located at a spring in the central Huab area.Wanke, 2000, p.11 The formation is a lithological unit with an approximate maximum thickness of , deposited in the Huab Basin where it overlies the Huab Formation, separated by a significant hiatus,Wanke, 2000, p.25 and is unconformably overlain by the Etjo Sandstone,Horsthemke et al, 1990, p.
This interpretation has been in place since at least the mid-19th century. The hill is overlain with reddish brown clayey soil of the local Worcester Series. John Price writing in 1799 thought that the name of the hill came from Old British but both Crookbarrow and Whittington are derived from Old English. Whittington is a development of "Hwinton" – meaning a farm or enclosure belonging to a man by the name of White.
The earliest formation in the known stratigraphic history of the Owambo Basin comprises what is geologically termed the basement and is compositionally zoned with mostly granite and gneiss. There is a metamorphic overprint on the majority of the granite from the tectonic history of rifting and compression, causing mass devolitilization of the basement rock. This section is overlain by a layer of volcanics, a likely accompaniment to the compression involved in the formation of Rodinia.
A horse with a black base coat overlain by tobiano- patterned white markings, called a piebald in some countries. In the study and discussion of equine coat color genetics, black is considered a "base" color, as is red. This designation makes the effects of other coat color genes easier to understand. Coat colors that are designated "black-based" include grullo (also called blue dun), smoky black, smoky cream, silver black, classic champagne, and blue roan.
The parish lies in an area of clay, gravel and sand which was laid down in shallow, marine, coastal and fluvial river environments. The oldest sediments comprise sands deposited in a shallow sea overlain by reddish-brown Reading Formation clays. These later sediments were deposited on marshy mudflats crossed by river channels. Named after the Reading area, these largely fossil-poor clay outcrops in a narrow strip between the Chalk and the overlying London Clay.
The Kahiltna terrane is interpreted to represent a sediment trough formed on the landward (Alaska) side of the Wrangellia volcanic arc terrane, prior to collision of Wrangellia with Alaska. The Wrangellia and Kahiltna terranes docked to Alaska in the Cretaceous Period. This part of the Kahiltna terrane is dominated by Late Triassic basalt, andesite and sedimentary rocks overlain by Jurassic-Cretaceous andesitic turbidites. Cretaceous granitic intrusive activity was widespread in the Kahiltna terrane.
A low gravity field anomaly is also found in the area. The basement consists of fractured rocks of Precambrian-Ordovician age, known as the Puncoviscana Formation and Faja Eruptiva, respectively, overlain with an impermeable Cretaceous unit named the Pirgua Formation. Volcanism in the area has existed since the Miocene, involving lava domes, ignimbrite eruptions (the 0.6mya Tuzgle ignimbrite) and monogenetic volcanism. Volcanoes located south of Tuzgle are Aguas Calientes, Negro de Chorrillos and San Jeronimo.
The Willow Creek Formation is overlain by the Porcupine Hills Formation, and underlain by the St. Mary River Formation. It grades into the equivalent Scollard Formation south of the Bow River at about 50° 30'N latitude, and into the Coalspur Formation in the southern foothills. The lower, Late Cretaceous member is correlated with the Frenchman Formation of Saskatchewan, and the upper, Early Paleocene member is correlated with the lower portion of the Ravenscrag Formation.
The North Horn Formation is a non-marine, stratigraphic unit located in east and central Utah which unconformably overlies the Late Cretaceous Price River Formation west of the San Rafael Swell, and the Tuscher Formation east of the swell. The formation is overlain by the late Paleocene-early Eocene Flagstaff Formation, also called the Flagstaff Limestone. The North Horn type section is located on North Horn Mountain in Emery County, Utah.Spieker, E. M. (1946).
The formation consists mostly of white to brown sandstone and mudstone with some interbedded geology. The formation lies on the Anton Chico Formation and is overlain by the Garita Creek Formation.Lucas and Hunt 1989 The total thickness of the formation is . The formation is divided into (in ascending stratigraphic order) the Tecolotito Member, which is primarily sandstone; the Los Esteros Member, which is primarily mudstone; and the Tres Lagunas Member, which is primarily sandstone.
The region lies on sedimentary rock layers deposited on the floor of a shallow sea 500 million years ago. The lower, older layer is sandstone overlain by more recent dolomite rock. Much later a deep channel was carved into this stone by the ancient Mississippi River, which 10,000 years ago was greatly swollen from the melting glaciers to the north. The softer sandstone was eroded more easily, undercutting the dolomite on both banks of the river.
By comparison with neighbouring basins both Paleozoic and Mesozoic sequences are expected to be present in the Hatton Basin. The proven Cenozoic sequence starts with Paleocene lavas, part of the North Atlantic Igneous Province, overlain by Eocene claystones. There is then a major hiatus, with the next youngest preserved strata above the unconformity (known regionally as C30) being of Upper Eocene to Lower Oligocene age. The remainder of the sequence consists of Miocene to Pleistocene calcareous oozes.
Gondwana Strata of LHS in Western and Central Nepal In Nepal, the older LHS with age ranging from the Paleoproterozoic to uppermost Precambrian are separated from the younger LHS by the Great Lesser Himalayan Unconformity. Missing Early Proterozoic strata of the LHS suggest that the rocks may have been eroded before the deposition of the Gondwana strata. Younger continental facies Gondwana strata were first deposited after the unconformity. They are then unconformably overlain by a marine facies Tertiary Unit.
The Yukon's crystalline basement is overlain by thick sedimentary strata deposited in extensional and/or rift basin environments. These basement rocks are not exposed anywhere in the Yukon, and the thickness of the surpracrustal sediments makes surveying using aeromagnetics, a technique used for inferring basement character in NWT, difficult. Hence, the character of the underlying crystalline basement of the Wernecke range is not well-known. Estimates for the age of the basement rock ranges from Archean to early Proterozoic.
The old Elbe strata are overlain by the very thick (40 metres or more) sediments of the Saale ice age. These are usually the depositions of proglacial lakes or glacial till. At several points they even break through the Weichselian deposits and are immediately on, or at least very close to, the earth's surface (for example, in Glienick near Zossen). Because the Saale ice shoved the underlying sediments strongly, Tertiary deposits are found at the surface in places.
The basement rock in the Vavilov Basin consists of strongly serpentinized peridotite with both high and low-temperature phases of deformation. The peridotite is overlain by 120 meters of tholeiitic pillow basalt containing carbonate-filled veins. Nannofossils and planktonic foraminifera within the carbonate veins constrain the age of emplacement between 3.1–3.6 Ma. Immediately above the basalt is a 100-meter-thick section of Pleistocene sedimentary cover, consisting primarily of nannofossil-rich mud with occasional reworked volcanogenic debris.
The Blood Reserve Formation rests conformably on the marine shales and siltstones of the Bearpaw Formation, and is overlain by the floodplain deposits of the St. Mary River Formation. Its contacts with both are sharp. It is a continuation of the Horsethief Sandstone of northern Montana. It is correlated with the Black Eagle Member of the Bearpaw Formation in the Cypress Hills of southeastern Alberta, and with the lower part of the Horseshoe Canyon Formation to the north.
Oblique Lunar Orbiter 2 view, facing south Seidel is a worn lunar impact crater that lies to the east-northeast of the much larger crater Jules Verne. Farther to the east of Seidel is the western edge of Mare Ingenii, and to the northeast lies the crater O'Day. This is an eroded crater with a small crater overlying the south-southeastern outer rim. The southern rim is overlain by material deposits, most likely ejecta from another impact.
Leader of the 1901-1903 Antarctic expedition Nordenskjöld found the Antarctic climate to be glacial, compared to continental or maritime. The expedition found new information about the geological makeup of the Antarctic Peninsula, explaining how the landforms were created. The expedition led to the discovery of fossiliferous rocks deposited during the Cretaceous and Tertiary age. It found that the area was a cordilleran belt of folded strata, overlain by sedimentary rocks and volcanic beds from the Mesozoic time.
The Budaörs dolomite of Anisian-Carnian age (Triassic period) is the oldest formation which crops out in the Buda Hills. Younger Triassic succession is composed of cherty dolomite and limestone (basin facies), and dolomite combined with limestone (platform facies). The Trassic surface is composed of karstified carbonates, which are overlain by an Upper Eocene succession made of conglomerate beds. During the period from the terminal Cretaceous to Priabonian, the area was a karstic terrestrial environment displaying distinct relief differences.
Queen Louise Land (; )Den grønlandske Lods - Geodatastyrelsen is a vast mountainous region located west of Dove Bay, King Frederick VIII Land, northeastern Greenland. Administratively it is part of the Northeast Greenland National Park zone. The highest point of Queen Louise Land is Gefiontinde, with a height of , the highest of the Gefiontinder group of peaks located at .Google EarthGreenland Expedition - Dronning Louise Land Geologically Queen Louise Land is made up of orthogneiss overlain by sedimentary rocks.
The Neoproterozoic Chuar Group consists of of fossiliferous, unmetamorphosed sedimentary strata that is composed of about 85% mudrock. The Group is the approximate upper half of the Grand Canyon Supergroup, overlain by the thin, in comparison, Sixtymile Formation, the top member of the multi-membered Grand Canyon Supergroup. The mudrock is interbedded with meter-thick sandstone and dolomite beds. The mudrocks are typically gray to black when freshly exposed and weather to reddish or greenish colors.
The composition of Shapinsay is mostly of the Rousay flagstone group from the Lower Middle Devonian, with some Eday flagstone in the southeast formed in wetter conditions during the later Upper Devonian. The latter is regarded as a better quality building material than the former. At Haco's Ness in the south east corner of the island is a small outcrop of amygdaloidal diabase. The island is overlain with a fertile layer of boulder clay formed during the Pleistocene glaciations.
Glena plumosaria, the dainty gray moth or plumose gray moth, is a species of moth in the family Geometridae. It is found in North America, where it has been recorded from Alabama, Florida, Georgia, Indiana, Iowa, Kentucky, Maryland, New Jersey, North Carolina, Ohio, South Carolina, Tennessee and Virginia.mothphotographersgroup The length of the forewings is 13–14 mm for males and about 16 mm for females. The ground colour is light grey, heavily overlain with greyish brown and brown scales.
The inlet is full of rocks and reefs. The general elevation of the surrounding land is less than , and the channels seldom exceed 20 fathoms in depth. Coal bearing rocks of tertiary age (Eocene and younger) are noted at the inlet in a continuous sequence, The young flora found also point to the Oligocene age overlain by the Miocene age sedimentary rock. Volcanic rocks are noted in the area as seen from the sediment deposits at the inlet.
The Villeta Group overlies the La Naveta Formation and is overlain by the Guadalupe Group. The age has been estimated to be Aptian-Coniacian and the unit is subdivided into the Conejo, La Frontera, Simijaca, Hiló, Pacho Formations, the Chiquinquirá Sandstone, and the Capotes, Socotá, El Peñón, and Trincheras Formations. The core extent of the group has been defined by Cáceres and Etayo in 1969, running from Apulo in the south to Muzo in the north.Acosta & Ulloa, 2002, p.
The Sierra Barrosa Formation is a geologic formation of the Neuquén Basin in the northern Patagonian provinces of Mendoza and Neuquén. The formation dates to the Late Cretaceous, middle to late Coniacian, and belongs to the Río Neuquén Subgroup of the Neuquén Group. The formation overlies the Los Bastos Formation and is overlain by the Plottier Formation. As the underlying Los Bastos Formation, the Sierra Barrosa Formation comprises mudstones and sandstones deposited in a fluvial environment.
In the Southern Folded Foreland, the folded Paleogene series are unconformably overlain by flat-lying non-marine Miocene and Pliocene strata of the main Ebro Basin. The Ebro Basin deepens towards the South Pyrenean Frontal Fault where it comprises 3000 m of sedimentary infill. This reduces to 1500 m near the thrust front of the Sierra Marginales. The deepest part of the basin with 5000 m of sediments is near Logroño at its most northwestern end.
The Uentschen Nappe is made up of turbidite sediments from the Maastrichtian, while the Liechtenstein Flysch is geologically similar but younger—from the Paleocene. These tectonic structures are overlain by the Falknis Nappe, north of the village of Triesen and composed of Jurassic marine sediments. The Lechtal Nappe is the only prominent nappe in the Eastern Alps. During the last 2.5 million years of the Quaternary, the Rhine Glacier deepened the valley together with the Ill Glacier.
Rocks of the earliest part of the Cambrian Period are found in the Salt range in Punjab and the Spiti area in the central Himalayas and consist of a thick sequence of fossiliferous sediments. In the Salt range, the stratigraphy starts with the Salt Pseudomorph zone, which has a thickness of and consists of dolomites and sandstones. It is overlain by magnesian sandstones with a thickness of , similar to the underlying dolomites. These sandstones have very few fossils.
In this way, the continuation of privilege and wealth for the elite is made possible in continuum. Conflict theorists believe this social reproduction continues to occur because the whole education system is overlain with ideology provided by the dominant group. In effect, they perpetuate the myth that education is available to all to provide a means of achieving wealth and status. Anyone who fails to achieve this goal, according to the myth, has only themselves to blame.
Each of the constellations' stars are overlain on an engraved image of the subject of the constellation. For reasons unknown, many of the human constellations are engraved as figures seen from behind whereas they had traditionally been rendered as facing the Earth. This oddity led to some confusion in the literal meanings of certain star names (e.g. the origins of several named stars refer specifically to "right shoulder" and the like, which would be incorrect given Uranometria's illustrations).
The Ellerslie Member represents the lower part of the Mannville Group in southern and central Alberta. It is conformably overlain by the Ostracod Beds of the Manville Group and rests unconformably on Paleozoic strata such as the Banff Formation or Pekisko Formation, often separated by a Detrital Zone. It is correlated to the McMurray Formation in the Athabasca Oil Sands of north-eastern Alberta and the Dina Member in east-central Alberta and west-central Saskatchewan.
Lunar Orbiter 3 image, facing southeast Alden is a lunar impact crater that lies on the far side of the Moon, between Hilbert to the north-northwest and Milne to the south-southeast. To the south-southwest lies Scaliger. Alden has a low rim that is overlain in the north and northeast by Alden C and the smaller Alden E. The rim is worn and eroded, especially along the southern wall. The floor is somewhat irregular and pitted.
Marshes formed and were overlain by sand, gravel and by sand dunes which formed natural barriers to the sea. The Western Green (a sand dune system, now under Penzance promenade) was such a barrier. Storms sometimes destroyed the barriers depositing sand and gravel over peat beds in Marazion Marsh, and in the foundations of buildings in Wherrytown. The submerged forest in the intertidal area between Wherrytown and Long Rock is of national importance and is a Cornwall Geology Site.
Southern Savary Island, seen from a floatplane This island is composed mostly of unconsolidated material such as glacial till, marine clay, and sand. This comes primarily from the Pleistocene era as material deposited by meltwater streams from glaciers which advanced southward through the Strait of Georgia over 20,000 years ago. The Ice Age materials are overlain by Holocene (Recent) era deposits; their features include sand dunes. Bedrock is exposed only at the eastern end around Mace Point.
The massif is composed of crystalline basement (metamorphic and igneous rocks) with Proterozoic to early Paleozoic ages. It was deformed and metamorphosed during the Cadomian orogeny (Ediacaran, about ago) and Caledonian orogeny (Silurian, about ). This basement is almost everywhere overlain by younger sedimentary rocks, except for some places in the southwest of England and in Wales. The continent Avalonia was until the Ordovician () part of the large southern continent Gondwana, but then began drifting independently to lower latitudes.
The western rim forms a low, arcing wall, and is overlain to the southwest by Lexell H after passing the rim of Deslandres. The rim peaks along the southeast, then comes to an end at a rugged promontory-like ridge. The interior floor has been resurfaced by lava to the northwest and in sections of the remainder of the floor. There are some low rises and ghost-crater rims in the southeast half part of the interior floor.
Because the Exshaw Formation is a widespread unit, it overlies different formations in different areas. It rests disconformably on the Wabamun Formation in the Alberta plains, the Kotcho Formation in northeastern British Columbia, and the Palliser Formation in the Canadian Rockies and foothills. It is disconformably overlain by the Banff Formation in most areas. The Exshaw Formation is equivalent to the lower and middle members of the Bakken Formation in southern Alberta, southern Saskatchewan, Montana and North Dakota.
Caño Cristales Basement rocks on the east side of the Macarenas include the Precambrian granite of the Guyana Shield in the Guaviare River valley and the San Jose del Guaviare area. The rocks of the shield are overlain by sandstones and conglomerates of the Vaupes Formation of Lower Paleozoic to the lower Oligocene age.Pinson, W. H., Jr., et. al., K-Ar and Rb-Sr Ages of Biotites from Colombia, South America, Geological Society of America Bulletin 1962, v.
There are two rock sequences along the coast at Budleigh Salterton, the Pebble Beds and the "Otter Sandstone Formation". In the cliff face it is very apparent that both dip eastward. The "Budleigh Salterton Pebble Beds" are overlain by the sandstones that form the cliffs at Danger Point. Both sediments are markedly red, which indicates that they were formed in a desert in the hot dry climate of in the Triassic Period about 225 million years ago.
On top of the Thanet Formation lies the Lambeth Group, which was deposited in a coastal plain and/or adjacent shallow sea water during the late Thanetian and early Ypresian ages. The Lambeth Group consists of the Upnor Formation, the Woolwich Formation and the Reading Formation. The Lambeth Group is overlain by the Thames Group, which consists of two formations. From old to young these are the Harwich Formation and the London Clay Formation (famous for its fossils).
The outer rim has been worn away in many places, and now forms an irregular series of ridges in a rough circle. The rim is overlain along the south-southwestern rim by Beals, and several smaller craters lie along the western and southeast rim. The most intact portion of the outer wall is along the eastern edge. The interior floor is a mixture of level terrain mixed with rough ground where impacts have stirred up the surface.
The unit records deposition of a submarine fan environment at lower bathyal depths, and is recognized as a productive petroleum reservoir.Repetto Formation, at Bureau of Economic Geology, University of Texas, Austin Blake, Gregg H. 1991. "Review of the Neogene biostratigraphy and stratigraphy of the Los Angeles Basin and implications for basin evolution," In: Biddle, Kevin T. (ed), "Active Margin Basins", AAPG Memoir 52, 319pp. The formation is overlain by the Pico Formation, both of the Neogene period.
The Ware Formation overlies the Castilletes Formation and is overlain by Quaternary alluvium. The age has been estimated to be Late Miocene to Early Pleistocene (5.2 to 1.22 Ma), Uquian, Chapadmalalan and Montehermosan in the SALMA classification, with a narrow definition in the Pliocene (3.5 to 2.8 Ma). The marine invertebrate fauna of the Ware Formation shows a greater similarity with modern assemblages offshore of the Guajira Peninsula than with those of the underlying units.Moreno et al.
The wilderness is within the upper basin of the Cache Creek drainage area and is composed of sandstone, shale, chert and conglomerate belonging to the Franciscan group, Upper Jurassic age. These sediments are of marine origin with extensive folding and faulting. In some places, dikes of serpentinized rock are intruded into the sediments. This is overlain by unmetamorphized sandstone and shale of Cretaceous age, also of marine origin and also folded and faulted with thick serpentine rock interbedded.
L. glaberrima is an arborescent coral and grows in a sympodial manner; this means that the original axis stops growing after a while, with one or more side branches forking out randomly, only to stop growing as other branches take over. The skeleton is composed of a spiny keratin-like material, laid down in concentric layers. This is overlain by a layer of living tissue from which the polyps project. Each of these has six unbranched, non-retractile tentacles.
Joppenbergh Mountain is a nearly mountain in Rosendale Village, a hamlet in the town of Rosendale, in Ulster County, New York. The mountain is composed of a carbonate bedrock overlain by glacially deposited material. It was named after Rosendale's founder, Jacob Rutsen, and mined throughout the late 19th century for dolomite that was used in the manufacture of natural cement. Extensive mining caused a large cave-in on December 19, 1899, that destroyed equipment and collapsed shafts within Joppenbergh.
Together with mafic rocks and andesite, they are evidence of back arc environment. The late Neoproterozoic Belle-Riviere Group includes bimodal volcanic rocks such as basalt and rhyolite overlain by terrestrial sedimentary rock. Belle-Riviere Group rocks partially overlie the Tommotian Fortune Group and the early and middle Cambrian Langlade Group, which have fossiliferous limestone beds and siltstone. Discordant contact between older Precambrian rocks and Paleozoic sedimentary rocks as well as thrust faults indicate Acadian orogeny related deformation.
The well-layered lower units of ultramafic rocks comprising the Great Dyke are locally overlain by erosional remnants of gabbroic rock. These mark the centres of the four sub-chambers within the Great Dyke magma system, namely (from north to south) Musengezi, Darwendale, Sebakwe and Wedza. Each of these sub-chambers has an elongate, doubly plunging synclinal structure, and was fed by a feeder dyke continuous below almost the entire Great Dyke.Wilson, A.H. and Prendergast, M.D., 1989.
Most of the ground in Nome is permafrost. By drift mining, miners were able to recover much of the gold buried under the permafrost. Gold at Nome was concentrated in three ancient beach lines, now inshore, above sea level, and buried under roughly fifty feet of permafrost overlain by two feet of tundra. Gold was usually found on top of "false bedrock," a layer of clay that occurred at the base of the beach or stream deposit.
The smaller crater Pawsey lies to the north-northwest, and is partly overlain by the outer rampart of Wiener. The northwestern half of the crater rim is well-formed, with some slumping and terraces along the inner walls. There is an outward protrusion in the rim along the northern side where the crater borders along Pawsey. The southern part of the crater is more irregular, with a wider, uneven inner wall and a poorly defined rim edge.
The Keyser is a nodular limestone overlain by thick- and thin- bedded limestone and laminated limestone at its type locality in Keyser, West Virginia. In central Pennsylvania, the basal "calico" limestone is a fossiliferous, medium-light- to medium-gray very thick bedded calcilutite containing numerous small irregular patches of clear calcite. The abundantly fossiliferous, nodular limestone at the base overlies the "calico". Overlying this is 5 to 6 m of fragmental calcarenite containing abundant crinoid columnals.
The Stikine terrane includes Paleozoic volcanic rocks interbedded with marine shale, limestone and sandstone, overlain by Jurassic and Cretaceous sedimentary and igneous rocks. Thrust faults and the Chatham Strait Fault separate the small Taku terrane from neighboring terranes. It is marked by metamorphosed andesite, rhyolite and basalt with small amounts of limestone, marble and conglomerate. On top of the Coast Range batholith are remnant metamorphic rocks from the gneiss, schist and marble dominant Tracy Arm terrane.
The Ardvreck Group is a stratigraphic group of early Cambrian age found in the Northwest Highlands of Scotland. It lies unconformably on gneisses of the Lewisian complex or sandstones of the Torridonian Supergroup. It consists of two formations, the basal quartzites and quartz arenites of the Eriboll Formation and the overlying dolomitic siltstones and sandstones and quartz arenites of the An-t-Sron Formation. It is overlain conformably by the Ghrudaidh Formation of the Durness Group.
Nannerch (pronounced Nan-er-ch Welsh) is one of the ancient parishes of Flintshire, made up of the townships of Trellan, Trefechan, Trecwm and Tre Penbedw. It is an ancient village, sitting on bedrock of Carboniferous Limestone, overlain by glacial boulder clay with glacial hollows. The limestone has been used in the construction of many local buildings. The ruins of Iron Age hill forts at Pen-y-Cloddiau and Moel Arthur are situated in the nearby hills.
The Viking Formation is conformably overlain by the Big River Formation and conformably and unconformably underlain by the Joli Fou Formation. It is equivalent to the Bow Island Formation in southern Alberta, to the Newcastle Formation in North Dakota, to the Ashville Formation in Manitoba, the Pelican Sandstone in north-eastern Alberta and the Flotten Lake Sand in central Saskatchewan. It can be correlated with the Cadotte Member of the Peace River Formation in north-western Alberta.
Mount Greylock and the neighboring Taconic Mountains are comprised predominantly of Ordovician phyllite, a metamorphic rock, overlain on younger layers of metamorphized sedimentary rock, especially marble. Mount Greylock is the product of thrust faulting, a tectonic process by which older rock is thrust up and above younger rock during periods of intense mountain building. The younger, underlying marble bedrock layers have been quarried in the lower foothills of the mountain in nearby Adams and North Adams, Massachusetts.
The Bearpaw Formation conformably overlies the Dinosaur Park Formation of the Belly River Group in central Alberta, and the Judith River Formation in the plains to the east and Montana. It is overlain by the Horseshoe Canyon Formation in central Alberta; by the Blood Reserve Formation and the St. Mary River Formation in southern Alberta; by the Eastend Formation in southern Saskatchewan; and by the Fox Hills Formation in Montana. To the east, it merges into the Pierre Shale.
The geological basement of the central and eastern regions Equatorial Guinea is composed of Precambrian rocks which form a part of the Congo craton. They include gneiss, greenstone, schist-amphibolite and granitoids. These older rocks are overlain by sedimentary rocks of Mesozoic, Neogene and Quaternary age in the west and along the coast. The islands of Pagalu and Bioko (Annobon and Fernando Poo) are of relatively recent volcanic origin, forming a part of the Cameroon Volcanic Line.
Intrusion sills show a progression in their chemical compositions, from olivine-rich rocks at the base to rocks with very little or no olivine at the top. The sills are thought to have formed by crystal settling. Recent study has suggested that at least one of the sills represents a multiple intrusion. In some places the basalt is overlain by Jurassic mudstone, which weathers to form much more fertile soil than elsewhere in the Western Isles.
Rays from the satellite crater Byrgius A lie across the floor of this formation, forming a wispy trace from west to east. The outer rim of Henry Frères is nearly circular, with a slight outward bulge along the southwest. When viewed from the Earth, however, this crater has more of an oval shape due to foreshortening. There is some irregularity along the northeast, but the rim is otherwise not significantly eroded or overlain by craters of note.
Middle Devonian rocks have a shift toward argillite and gypsum and gypsum is quarried in Salaspils-Sauriesli between Ogre and Riga. Famenninan Stage dolomite and siltstone is up to 140 meters thick, overlain by Frasnian dolomite, quarried in the east for us ceramics. Carboniferous rocks are limited to the southwest, with Tournasian age dolomitic sandstone, dolomite, sandstone and siltstone 104 meters thick. Permian rocks are also confined to the southwest, with a significant disconformity from underlying Carboniferous rocks.
The Kurzeme Formation gray calcareous material is widespread, left from the most extensive period of glaciation. The last interglacial is marked by the Felicianova Formation alluvium, overlain by Baltic group sediments from the last glacial advance. Glacial retreat and oscillation took place from 25,000 to 12,000 years ago, leaving the 90 meter Latvia Formation, including the Jelgava Member lacustrine deposits. Major spillways drained the landscape, emptying the Baltic Ice Lake which flooded much of the region.
Cenozoic Paleogene rocks unconformably overlie Cretaceous rocks with bauxite, coal and freshwater limestone, overlain by marine limestone from the Eocene and flysch formed in a trough between two carbonate platforms. Sandstone, marl and limestone deposited in basins now beneath the Adriatic Sea during the Neogene. In the Pannonian area, Neogene material lies on top of older bedrock, emplaced on the periphery of the Paratethys Ocean. Neogene rocks include marl, conglomerate, sandstone, as well as andesite and tuff.
Alpine cycle sedimentary rocks are situated between the European hinterland in the Rhodope Massif and Serbo-Macedonian Massif and northern fore-region of the African plate. External zones include the Paxi Zone, encompassing the islands in the Ionian Sea with dolomitzed limestone from the Jurassic and Cretaceous-Miocene marl and gypsum. The Ionian Zone spans much of western Greece with Triassic evaporites overlain by Jurassic neritic limestones. During the Toarcian, extensive block faulting differentiated the Ionian Basin.
The Devonian shale bedrock of the area is overlain by of compact glacial till, followed by of stiff clay, of weak clay, of silt, of sand, and of fill dirt. These layers cause the hillside to be unstable. About above the mean water line, the shear strength is , while at the top of the hill the shear strength is . Geological data indicate that the hill is sliding into the river at a rate of about per year.
Eurydema oleracea, white markings The rape bug has a shiny, flat dark-colored body about long and wide. The species has a dark ground colour which is overlain with red, yellow, cream, white or orange markings. There is an oval spot on the top of the mesonotum and one on each of the elytra as well as a longitudinal stripe on the prothorax. In young adults these spots are yellow but change to white or red in older bugs.
Ashmore parish is situated on the hills of Cranborne Chase southeast of Shaftesbury and north of Blandford Forum. The underlying geology is chalk, overlain by clay-with-flints in the south and southeast. The village, which at above sea level is the highest in Dorset, is sited on a spur of land between dry valleys which drain south and southwest. All of Ashmore parish is within the Cranborne Chase and West Wiltshire Downs Area of Outstanding Natural Beauty (AONB).
The Shindong Group is the oldest: a coarse alluvial fan two kilometers thick, overlain by the five kilometer thick alluvial, lacustrine and fluvial sediments with interspersed basalt and andesite of the Hayang Group. The Yuch'on Group is the top unit, with volcanic rocks and interbedded sediments. In the southern Kyŏngsang Supergroup low shields formed from cooling andesite flows, followed by explosive rhyolite volcanism. The entire supergroup formed in the Cretaceous prior to Japan's southward migration from Asia.
The type locality of the Candeleros Formation is Candeleros Hill in Neuquén Province, after which the formation was named by Wichmann in 1929.Wichmann, 1929 This formation unconformably overlies the Lohan Cura Formation, and it is in turn overlain by the Huincul Formation, also a unit of the Neuquén Group. The sediments of the latter are of lighter greenish and yellow colors and the boundary between the Candeleros and Huincul formations is easily recognizable.Leanza et al.
The relatively thin Graafwater layer (no more than about 60–70 m thick on the Cape Peninsula) is overlain by the prominent Peninsula Formation, which consist mainly of hard, erosion resistant, quartzitic sandstone, which form the high, prominent, almost vertical cliffs of the Cape Peninsula. At the very top of Table Mountain, at Maclear's Beacon, is a small remnant of the Pakhuis Diamictites, better represented in the Cederberg Mountains, 200 km to the north of Cape Town.
The outer rim of Davy is low, and the interior has been partly resurfaced. The perimeter is somewhat polygonal in shape, especially in the western half, and the southeast rim has been overlain by Davy A. The latter is bowl-shaped with a notch in the northern rim. The interior of Davy lacks a central peak, although there are some low central mounds and the rim of Davy Y forms a low ridge leading from the northern outer rim.
The Magnesian Limestone belt forms a narrow north-south oriented strip of undulating land on the eastern edge of the Pennines overlooking the Vale of York. The magnesian limestone deposits were laid down in an evaporating inland sea in the Permian period. They are made up of a lower layer of dolomite and dolomitic limestone, which form the dominant landscape feature, overlain by red mudstone with gypsum. The upper layer is made of a similar sequence.
The mountains are faulted anticlines formed as part of the Sawatch Uplift during the Laramide orogeny approximately 65 MYA. The mountains were originally contiguous with the higher Sawatch Range to the west but were separated during the formation of the rift valley at the headwaters of the Arkansas River approximately 35 MYA. The range is primarily of granite. The eastern flank of the range along the rim of South Park overlain by Paleozoic and Mesozoic sedimentary rocks.
The outer rim of Boyle is nearly circular, and displays some slumping around the interior. Most of the rim is sharp-edged and displays little appearance of wear due to subsequent impacts. The southern rim, however, is overlain by a wide, irregular groove in the surface that follows a course from east to west along the rim. There is also an overlapping formation of tiny craterlets overlapping the narrow strip of terrain that joins Boyle to Hess.
In contrast to e.g. the deposits in Denmark, the Eemian deposits in the type area have never been found overlain by tills, nor in ice-pushed positions. Van Voorthuysen (1958) described the foraminifera from the type site, whereas Zagwijn (1961) published the palynology, providing a subdivision of this stage into pollen stages. At the end of the 20th century, the type site was re- investigated using old and new data in a multi-disciplinary approach (Cleveringa et al.
Oblique Lunar Orbiter 5 image Artem'ev is a lunar impact crater that is located on the far side of the Moon. The rim of this crater has been modified by subsequent impacts in the vicinity, with an inward bulge along the southwest edge and a worn impact lying across the north rim. The satellite crater Artem'ev G is partly overlain by the southeast rim of Artem'ev. The crater interior is relatively flat, and marked only by tiny craterlets.
The rim edge is ill-defined in the western half where the inner wall is unusually wide. This edge may have become overlain by ejecta from other impacts to the west. Along the eastern face the crater has apparently merged with one or two other impacts, producing an outward double-bulge. There are several smaller impacts along the eastern rim, and a gouge in the surface forms a trough leading away to the northeast for nearly a crater diameter.
Early Ordovician (470 Ma) Early Silurian (440 Ma) The Letná Formation was first formally defined in 1966 by Havlíček and Vaněk and crops out in the Prague Basin, a northeast–southwest trending minibasin stretching over between Rokycany in the southwest and Úvaly in the northeast. The Prague Basin contains an Ordovician to Devonian succession in the larger Bohemian Massif.Mikuláš, 1998b, p.143 The formation conformably overlies the Libeň Formation and is overlain by the Vinice Formation.
The north eastern flanks are overlain by drift deposits with the plagioclase-phyric andesite lavas of the Birker Fell Formation beneath. The rest of the fell exhibits rock of the Ennerdale Intrusion, granophyric granite.British Geological Survey: 1:50,000 series maps, England & Wales Sheet 29: BGS (1999) Iron Crag Mine operated below the crag of that name from around 1864 to 1896. 500 tons of haematite ore was raised in 1881, but the mine never proved a commercial success.
Typically the Onate Formation consists of about of orange yellow-weathering dolomitic siltstone with shales and sandstone. The base of the formation is a profound regional unconformity, so that the formation rest on either the Fusselman Formation or the Montoya Group. It is overlain by the Sly Gap Formation and thins to the north and south. The formation is interpreted as having been deposited on a shallow shelf environment deepening to a euxenic basin to the south.
The Popotosa Formation is a thick (up to ) sequence of volcanic debris beds with a few interspersed ash beds. It is exposed along the Rio Grande rift in the Socorro area. Radiometric dating of interbedded flows gives it an age of 26.4 to 7 Ma, corresponding to the late Oligocene to Miocene.Asher-Bolinder 1988 It lies on outflow tuff sheets of the Mogollon-Datil volcanic field, primarily the South Canyon Tuff, and is overlain by the Sierra Ladrones Formation.
The San Francisquito Formation is from marine deposits of the Late Cretaceous period of the Mesozoic Era, and the Early Paleocene epoch in the Paleogene period of the Cenozoic Era. It is overlain by the Punchbowl Formation (east) and Castaic Formation (west), both of the Miocene and Pliocene epochs. It overlies the crystalline San Gabriel Basement Complex. It is found between the San Andreas Fault on its north, and the Devil's Punchbowl Fault on its south.
The intrusive members are syenite and carbonatite. The complete sedimentary sequence is separated in Lupata region, about 10 km southeast of Monte Muambe, in Chincongolo area, near to Lupata Gorge, and consists of Upper Lupata Sandstones formation, intrusive rocks (syenite), carbonatites (intrusive and effusive products) and alkaline extrusive rocks. According to field findings geological units in the region as follows: 1\. Coarse-grained and conglomeratic sandstones which transressive overlain basalts, gently dipping to the south. 2\.
North of Pyongyang, Precambrian basement rocks are unconformably overlain by a Jurassic limestone conglomerate ascending to layers of siltstone and mudstone. The Upper Jurassic Shinuiju Formation northwest of Shinuiju has sandstone, conglomerate and mudstone up to two kilometers thick. Offshore drilling in the West Korea Bay Basin indicates these rocks are the onshore extension of offshore units. It is subdivided into fluvial rocks and Upper Jurassic black shale, limestone, conglomerate and sandstone formed in a lake environment.
Marine conditions lasted into the Norian, or as late as the Jurassic in the west. The Mae Moei Group is a major limestone unit in the northwest equivalent to the Lampang Group with Jurassic strata at the top and overlain by Cretaceous red beds. By contrast to the patterns of marine deposition, the Khorat Plateau in the northeast is underlain by Triassic- Cretaceous continental deposits. Offshore islands and the Cambodian border have numerous sandstones related to the plateau.
With calc-alkaline volcanic rock at its base, the Khorat Plateau is diachronous giving the appearance that basin deposition moved further west through the Mesozoic. The Khorat Group is five kilometers thick in the northeast and holds occasional dinosaur, plant and bivalve fossils. Much of the deposition took place in a lake environment. The Khorat Group begins with 2.5 kilometers of red beds, overlain by light- colored sandstones, red beds and evaporites such as carallite, tachyhydrite, halite and sylvite.
The formation contains a basal limestone conglomerate overlain by evenly bedded red or gray limestones (more accurately, limy mudstones) and calcareous shales. It is a lenticular, channel-fill deposit which is some wide and thick at maximum. Most collections are from the talus slope. Stable oxygen and isotope data (Poulson in Fiorillo, 2000) indicate that the Beartooth Butte Formation was deposited in an estuarine environment, with the Cottonwood Canyon section being slightly less saline than the type section.
The Cenozoic is represented by Eocene continental and marine deposits, along with volcanic formations from the Neogene and the last 2.5 million years of the Quaternary. Eocene rocks are mainly found in the Vardar Zone, especially close to Delchevo along the Bulgarian border and Debar. Red or violet conglomerate and sandstone make up the lower layers along with molasse formations. They are overlain by alternating sequences of sand and clay flysch with limestone layers rich in Eocene fossils.
State Route 43 (SR 43) is a south to north highway in Tennessee that is 56.79 miles (91.39 km) long. It begins in Madison County and ends in Obion County.Tennessee Department of Transportation (24 January 2003). "State Highway and Interstate List 2003" State Route 43 is little-known by the general public by this designation as it is overlain by U.S. Route 45E for most of its length; the "43" designation is seen largely on mileposts.
The Kortrijk Formation is subdivided into at least four members: the Mont Héribou, Orchies or Saint-Maur, Moen or Roubaix and the Aalbeke Member. The Kortrijk Formation forms the lowest part of the Ieper Group and is stratigraphically overlain by the younger Tielt Formation (late Ypresian marine sand), part of the same group. The Kortrijk Formation lies on top of late Paleocene formations like the Tienen Formation or Hannut Formation, both part of the Landen Group.
The Soom Shale is a member of the Late Ordovician (Hirnantian) Cederberg Formation (Table Mountain Group) in South Africa, renowned for its remarkable preservation of soft-tissue in fossil material. Deposited in still waters, the unit lacks bioturbation, perhaps indicating anoxic conditions. It overlies the Pakhuis tillite and is overlain by the Disa Siltstone. It contains typical Ordovician microfossils, such as chitinozoa, acritarchs and spores, and its shelly fauna is also typical of this time period.
The leading white-coloured rays on the pelvic fins split into two trailing white filaments, while the pelvic fins themselves are usually a translucent white or cream, tending toward opacity in large fish. Murray cod are white to cream on their ventral (belly) surfaces. Their backs and flanks are usually yellowish-green to green, overlain with heavy darker green, but occasionally brown or black, mottling. The effect is a marbled appearance sometimes reminiscent of a leopard's markings.
To the northeast is the faint crater Buch, and further to the north lies Gemma Frisius. The outer walls of Maurolycus are tall, wide, and terraced, most notably in the eastern part. To the southeast the rim is lower and the crater is joined to what has the appearance of an overlain crater rim. The crater Maurolycus F lies across the northwest rim, and that part of the crater floor is more rugged than the remainder.
Location of Sacrobosco Sacrobosco is an irregular lunar impact crater that is located in the rugged southern highlands to the west of the Rupes Altai escarpment. It is a readily identified feature due to the three circular craters that lie on its floor. The rim of Sacrobosco is heavily worn and eroded, especially in the northeast. The floor is relatively flat in the south, except where overlain by Sacrobosco A and B, but is somewhat irregular in the northeast.
The Maastricht Formation was first described by Belgian geologist André Dumont in 1849. The formation is subdivided in seven members, from top to bottom these are the Meerssen Member, Nekum Member, Emael Member, Schiepersberg Member, Gronsveld Member, Valkenburg Member and Kunrade Member. The members are often hard to distinguish.See for example: Stratigraphy of the ENCI quarry, by H. Zevenberg The Maastricht Formation is overlain by the Paleocene Houthem Formation and was deposited on top of the older Gulpen Formation.
The Wapiti Formation rests conformably on the marine shales of the Smoky Group. It is more than thick in the foothills of the Canadian Rockies in the west, and it thins eastward to its erosional edge. It is correlative with the entire sequence of the Belly River Group, Bearpaw Formation, Edmonton Group and Scollard Formation in south-central Alberta. In most areas it is unconformably overlain by glacial and post-glacial sediments of Quaternary age, or exposed at surface.
This unit is overlain by a thick sequence of primarily calcareous siltstone beds, called the calcareous siltstone unit. The big mountain unit consists of nearly of interbedded conglomerates and trough cross bedded sandstones, followed by a thick set of strata composed of sandstone, pebbly sandstone, and conglomerates which make up the coal canyon unit. The uppermost unit is the upper redbed unit, which is nearly a thick and is composed of red brown mottled siltstone and sandy siltstone.
Paleozoic allochthon formations are found in the lower rock units in the northeast margin of the Dinarides. These rocks are found in isolated areas in the northwest, central, eastern and southeastern Bosnia and are made up of metapsammite, metapelite and smaller amounts of volcanic and carbonate rock. The Southeastern Paleozoic Zone comprises phyllite, schistose metasandstone and crystalline limestone, overlain by slate and more phyllite. Permian rocks are mainly red beds with slate, metasandstone, limestones, gypsum, anhydrite and conglomerates.
In the northern Dinaride Mountains, flysch several meters thick grades from Maastrichtian sandstone, siltstone and shale into Paleocene calcite shale, calcareous sandstone, sandy limestones and limestones. The flysch is overlain by more limestone from the Middle Eocene. In some cases, the interlayering of Late Cretaceous-Paleogene flysch with volcanic rocks has resulted in medium-pressure metamorphism. Rock sequences prograde from sandstone, shale, marl and limestone to slate and meta-sandstone along with greenschist, mica schist, amphibolite, gneiss and phyllite.
Oblique view from Lunar Orbiter 4 Goldschmidt is a large lunar impact crater of the variety commonly termed a walled plain. It lies in the northern part of the Moon's near side, and appears oval in shape due to foreshortening. The rim is actually relatively circular, although the western rim is overlain by the prominent crater Anaxagoras. Nearly attached to the southeast rim is Barrow, and the two formations are separated by a rugged rise about 30 kilometers across.
The Potomac Basin is located entirely on the North American Plate The Nanjemoy Formation belongs to two geologic groups; the Wilcox Group of the Gulf of Mexico Basin in the southernmost surface expression of the formation and the Pamunkey Group in the northern and central portions from Maryland in the north through Virginia and the Carolinas. Both geologic groups have been dated to the early Paleogene; the Paleocene and Eocene periods, or in the commonly used NALMA classification; Wasatchian, defined by the age-equivalent Wasatch Formation of Wyoming. The third-oldest unit in the Pamunkey Group is the Nanjemoy Formation that overlies the Marlboro Clay and is partly overlain by the Piney Point Formation and in many areas covered by the Miocene Calvert Formation, separated by an unconformity representing about 34 Ma. The upper surface reaches an elevation of about and is overlain in most places by the Calvert Formation (Tc). The unit is present only in the southeastern part of the map area of Washington D.C., and it reaches a maximum thickness of about .
Also, the Gondwana Unit is overlain by the Bhainskati Formation of the Tertiary Unit, similar to the situation in central Nepal. However, in fact, the Gondwana Unit is not very well developed in the Jumla area. The strata with lithology similar to that of the Taltung Formation and Lower Gondwanas are missing here. In other words, the LHS in the Jumla area is lacking a part of the Gondwana Unit of age ranging from Late Carboniferous-Permian to Early Cretaceous.
In the Nepal Himalaya, the Lower Gondwana glacial diamictite is unconformably overlain by the fluvial Taltung Formation (Upper Gondwana), which contains abundant plant fossils distributed widely within the Tansen area. Alkali basalt lava flows are interbedded with the fluvial beds in the Lower Taltung. Gravelly braided river facies are shown in the Lower Taltung while silty meandering river facies are displayed in the Upper Taltung, as a result, the sequence is fining upwards. The strata were deposited in a terrestrial basin on Gondwana.
The oldest Tertiary formation in the graben is the O'Brien Creek Formation, which is up to thick, and composed tuffaceous rock with volcanic ash and rounded quartz grains. The top of this formation is characterized by an igneous-cemented conglomerate, conformably overlain by the Sanpoil Volcanics, which are about thick. Correlated with these volcanics is the Scatter Creek Rhyodacite, which is generally found along the fault zones defining the graben. Eocene and Oligocene ore deposits are found within the Republic mining district.
The Rif microcontinent shifted westward and collided with the African Plate in the Oligocene and the Miocene, generated the complex Rift overthrust. Seismic studies have found that Carnian sandstones, mudstones and conglomerates from the Triassic, lie unconformably atop the microcontinent's crystalline basement rock in north Morocco. The Miocene and Pliocene marls and carbonates of the Doukkala sub- basin are overlain by Quaternary rocks. Further west, Quaternary rocks cover Middle Cretaceous sedimentary rocks, which lie unconformably atop Triassic and Paleozoic units.
The Temagami Greenstone Belt (TGB) is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada. It represents a feature of the Superior craton, an ancient and stable part of the Earth's lithosphere that forms the core of the North American continent and Canadian Shield. The belt is composed of metamorphosed volcanic rocks that range in composition from basalt to rhyolite. These form the east-northeast trend of the belt and are overlain by metamorphosed sedimentary rocks.
The Reguibat Shield is part of the West African Craton, a large area of stable continental crust left over from the early formation of continents. Migmatite forms the core of the shield, overlain by imbricated gneiss belts in the Tiris region, in the east. The Tiris Series is made up of sequences of granulite and amphibolite. The Zemmour Domain is the periphery of the West African Craton and has carbonates at its base, that store the remains of stromatolites, likely from the Neoproterozoic.
The Mangbei Basin, Douala Basin and Rio-del-Rey Basin formed in CAMZ and filled with Early Paleozoic volcanic and sedimentary rocks. The Douala and Rio-del-Rey basins both formed as a result of the breakup of the supercontinent Pangaea and the opening of the Atlantic Ocean. The conglomerate and sandstone of Mudeck Formation probably formed in the Early Cretaceous and is overlain by fossil-bearing shale. There is an unconformity between the crystalline basement rock and the Mudeck Formation.
The basins formed due to the movements of India, Madagascar and East Africa and the opening of the Indian Ocean. Research on the basins came out of geophysical surveys in search of oil. Much of the seven kilometers of sedimentary rock in the Somali Coastal Basin was laid down in Jurassic and Cretaceous. In the Luuq-Mandera Basin, oil exploration found Late Triassic to Early Jurassic clastic sediments, evaporite and carbonate deposits, overlain by shales from the Tethys marine transgression.
The Agrio Formation is an Early Cretaceous geologic formation that is up to thick and is located in the southern Mendoza Province and northern-central Neuquén Province, in the Neuquén Basin of northwestern Patagonia, Argentina. This formation is the youngest one of the Mendoza Group, overlying the Mulichinco and Bajada Colorada Formations and overlain by the Huitrín and La Amarga Formations. It is dated to the Late Valanginian to Early Hauterivian,Voglino, 2017, p.39 Late Valanginian to Early Barremian,Voglino, 2017, p.
The Cañadón Calcáreo Formation is composed mainly of fluvial deposits, that are found close to the Cañadón Asfalto Formation. While originally thought to be part of the Cañadón Asfalto, there is a lack of calcareous rocks, and the geologic faulting and folding is weaker. The Cañadón Calcáreo Formation is overlain by the Chubut Group, the rocks of which lack synsedimentary deformation. The area of the Cañadón Calcáreo also includes lacustrine and palustrine rocks, including shales, pelites, psammites and coarse clastics.
The Arbuckle Mountains are the oldest known formations in the United States between the Appalachian and Rocky Mountains. They contain a core of granite and gneiss that date back at least 1.4 billion years. The core is overlain by a layer of Cambrian-era rhyolite that is about 525 million years old. Atop the rhyolite is about of folded and faulted limestones, dolomites, sandstones, and shales deposited in shallow seas from Late Cambrian through Pennsylvanian time (515 - 290 million years ago).
Turret 26A (High Brunton) was located adjacent to the B6318 Military Road, opposite High Brunton House, by Miss T Hepple (in 1930). Subsequent examination in 1959 revealed a turret with an original floor of clay and mortar, which had been overlain in part by stone. It had twice been resurfaced with sand, and twice with flags, a new hearth being established on each occasion. A small area, delineaeted by kerbs, existed throughout the life of the turret, though its usage remains unknown.
Bonebed Z183 belongs to the lower portion of the Lifua Member of the Manda Formation. The bonebed is located in a gully, and is surrounded by pinkish-grey cross-bedded sandstone containing well-rounded quartz pebbles. The sandstone is overlain near the top by reddish-brown and olive-grey siltstone in a digit-like pattern characteristic of point bars; most of the vertebrate remains are concentrated within a section of this overlap. Discontinuous veins, or stringers, of brown claystone are also present.
Sampson Erdeswick is buried in the church among his ancestors, with a very large elaborate polychrome monument in which his costumed effigy is recumbent below, with two deep-set kneeling female mourners (his wives) in arched recesses over. At either side, columns with Corinthian order capitals support a double entablature in the late Elizabethan style, framing an inscription and (formerly) with obeliskoid finials. The whole is overlain with a copious display of heraldic escutcheons and surmounted centrally by a crest.
On the southern side of the Pyrenees in Catalonia, folded conglomeratic formations have been dated as Upper Lutetian to Bartonian, representing the interval 44 to 37 million years ago. They also are unconformably overlain by end–Eocene sediments bearing a continental fauna. The Pyrenean Main Phase manifested itself on both sides of the axial zone as reverse faults and thrusts with fairly large displacements. The movements were directed on the French side to the north, and on the Spanish side to the south.
The Arroyo del Agua Formation consists of siliclastic red beds with a total thickness of roughly . These lie conformably on the El Cobre Canyon Formation and are in turn overlain in most locations by the Shinarump Conglomerate. In a few locations in the southernmost Chama Basin, there is a tongue of De Chelly Sandstone between the Arroyo del Agua and Shinarump.Lucas and Krainer 2005 The formation is 58% siltstone and 34% sandstone, with minor conglomerate and calcrete (each about 4%).
Jervis Bay is a drowned river valley and formed 15,000 years ago, at the end of the last ice age. The bay took on its present appearance around 4000 BC after the sea levels had risen , and as sand dune barriers created the southern peninsula.Geology and Geomorphology , Wreck Bay Aboriginal Community Council. Much of the rock in Jervis Bay is part of the Sydney Basin sandstone formation, which is 280-225 million years old, although lower areas are overlain with Tertiary-era sediments.
Boxford Chalk Pit is a geological Site of Special Scientific Interest in Boxford in Berkshire. It is a Geological Conservation Review site. This site has a unique succession of tilted beds dating to the Upper Cretaceous, between the late Coniacian and the Santonian, from around 87 to 84 million years ago. The beds are overlain by chalk which contains fractured and folded pieces of hardground, which are interpreted as evidence of localised tectonism unknown in the rest of Britain in this period.
The Tarjados Formation is an Early to Middle Triassic geologic formation in the Ischigualasto-Villa Unión Basin of La Rioja Province in northwestern Argentina. The red to whitish sandstones and conglomerates of the formation were deposited in an arid fluvial environment. The formation overlies the Talampaya Formation and is overlain by the Chañares Formation of the Agua de la Peña Group. The formation has provided fossils of an archosaur and a kannemeyeriid dicynodont, both not yet placed in a dedicated genus.
Bhat, Mohd Shafi, Sanghamitra Ray, and PM DATTA. 2017 A New Hybodont Shark (Chondricthyes, Elasmbocranchii) from the Upper Triassic Tiki Formation of India with Remarks on its Dental Histology and Biostratigraphy. Journal of Paleontology, 92(2):221-239 It is overlain by the Parsoria Formation and is composed of pink, red, and lavender colors and interbeds of sandstone that contain clay clasts of varying size. The Tiki Formation is underlain by the Pali Formation with local erosional contact to the area of study.
Hainzel is the southern member of a trio of overlapping lunar impact craters. The composite rim is located at the west edge of Lacus Timoris in the southwest sector of the Moon. The heavily worn crater Mee is attached to the southwest wall; its rim forms a ridge running from the south of the Hainzel formation. Hainzel forms the south portion of the grouping, and is overlain by Hainzel C to the northeast, and then by Hainzel A in the north.
Overlain on this bedrock geology ("solid geology" in the terminology of the maps) is a somewhat variable distribution of soils and fragmental material deposited by glaciers (boulder clay, and other forms of glacial drift in the recent past. Maps showing the distribution of this "drift" geology are frequently produced as either separate maps, or as literal overprints on the solid geology maps. When ordering maps, this distinction should be kept in mind. Catalogues often distinguish them as "S", "D" or "S+D" maps.
The Subachoque Formation is the lowermost of the lagunal and alluvial sequence of the Bogotá savanna. In parts, it conformably overlies the Tilatá Formation and other parts unconformably the Cretaceous Guadalupe Group and the Paleogene Guaduas, Cacho, Bogotá, and Regadera Formations. The Subachoque Formation is overlain by other Quaternary deposits of Lake Humboldt. The age has been estimated to be Early to Middle Pleistocene based on fission track analysis, with reported ages between 2.5 and 1 Ma.Montoya & Reyes, 2005, p.
Near Lake Superior these intrusive formations intermingle in a complex mosaic with the rocks of the associated North Shore Volcanics, which also are relics of the Midcontinent rifting event.Miller, Green, Severson, Chandler, & Peterson, Geologic Map of the Duluth Complex , (2001). The Duluth and Beaver Bay Complexes extend a short distance under Lake Superior south of the present lakeshore, but in most places along and near that shore their southern reaches are overlain by the North Shore Volcanic Group.Ojakangas & Matsch (1982), pp.
The Kaminak and Yathkyed belts are overlain by the Proterozoic (2.45 Ga) Hurwitz Group. Deformation of the Hurwitz Group occurred after the 2.11 Ga intrusion of gabbro sills, but prior to the intrusion of the 1.83 Ga lamprophyre dykes associated with the ultrapotassic lavas of the nearby Baker Lake Basin. Parallel to the Paleoproterozoic Hurwitz Group is massive veins of green biotite that are interpreted to have been emplaced there by a hydrothermal event accompanying a deformation along this contact area.
Low samphire and saltbush shrublands cover the saline alluvial plains, snakewood scrublands cover the clay flats, Bowgada low woodland covers sandy ridges and plains, red sand dune fields are interspersed or overlain with tree to shrub steppe over hummock grasslands, and Acacia startii/A. bivenosa shrublands cover limestone outcrops in the north. Other trees in the area include limestone wattle (Acacia sclerosperma) with an undergrowth of dead finish (Acacia tetragonophylla). The sheltered embayments and extensive tidal flats along the coast support mangroves.
The crater has a well-defined circular rim, terraced inner wall, central mountain peaks, an irregular floor, and an outer rampart of ejecta. It lacks a ray system of its own, but is overlain by rays from the prominent crater Copernicus to the south-west. The Eratosthenian period in the lunar geological timescale is named after this crater, though it does not define the start of this time period. The crater is believed to have been formed about 3.2 billion years ago.
Seneca is a lunar impact crater that is located towards the east-northeastern limb, less than one crater diameter to the north of Plutarch. To the northwest is the crater Hahn, and due north lies the large walled plain Gauss. This crater has been heavily eroded by impacts, with an outer rim that has been distorted and overlain by several small craters. It appears roughly diamond- shaped as viewed from above, although it is heavily foreshortened when seen from the Earth.
Cordón Caulle is a major area of geothermal activity, as manifested by the several hot springs, boiling springs, solfataras and fumaroles that develop on it. The geothermal system in Cordón Caulle consists of a vapour dominated system overlain by a more superficial steam heated aquifer. The temperatures of the vapour systems range from 260 to 340 °C (500-680 °F) and 150–180 °C (302-356 °F) for the aquifer.Sepúlveda, Fabián; Lahsen, Alfredo; Dorsch, Klaus; Palacios, Carlos and Bender, Steffen.
The Triassic period is well preserved and known from outcrops in southern Tunisia and oil well drilling. The lower Triassic is defined by argillite and sandy fluvial, river sequences, overlain by a carbonate unit with palynomorphs indicating a Ladinian, Middle Triassic age. The Upper Triassic is marked by the Messaoudi dolomite, evidence of marine transgression. Lower and Middle Jurassic units are mainly calcareous and marl sediments, although some from the Late Jurassic preserve a deep ocean environment with the fossils of radiolarians.
The Souar Formation dates to the end of the Eocene and is made up of marine clay, marl, sand and gypsum. The Fortuna Formation in the Cap Bon area records the Oligocene with sandy limestone and marls, overlain by coarse sandstones and quartz pebbles, although it fades out in southern Tunisia. Other Cenozoic units include the Ain Grab Group and Oum Domil Formation. Quaternary stratigraphy, from the last 2.5 million years, includes quartz sands, rich in bivalves, as well as oolitic sands.
There is only one narrow breach in these fortifications at the extreme southwest end, called "Le Goulet" (French meaning "narrows" or "bottleneck"), which is a cataclinal valley long, wide and fringed by cliffs high. A large volume of water surges through it with the rise and fall of the tides, creating water level differences of about . Consequently, this passage does not freeze in the winter. The eastern shore rises more gradually and is largely Canadian Shield rock, overlain in many places by basalt.
Idel'son is a lunar impact crater that is located on the far side of the Moon. It lies just behind the southern lunar limb, in a region that is sometimes brought into view of the Earth due to libration. Idel'son is situated to the southwest of the huge walled plain Schrödinger. The northern rim of Idel'son is overlain by the larger crater Ganswindt, reversing the usual order of smaller craters on top of larger impacts usually seen on the Moon.
Mantle upwelling thinned the crust in the Jurassic. In Mississippi, the Smackover Limestone covered over earlier evaporite deposits. A complex stratigraphic sequence formed during the Cretaceous, with the reef limestones, anhydrite and sandstones of the Rodessa Formation, Mooringsport Formation, Paluxy Formation, Gordo Formation and Coker Formation, overlain by the Eutaw Group, Austin Chalk, Selma Chalk and numerous thin marl, chalk and sandstone layers. The Richton Salt Dome was briefly famous in the early 1980s as a proposed site for US nuclear waste disposal.
Hurwitz Group strata and other units from the Proterozoic cover much of the Churchill Province. Continental margin sediments deposited in central Baffin Island as the Piling Group and as the Penrhyn Group on the southern Melville Peninsula. The units include quartzite and feldspathic quartzite, overlain by dolomite, marble and gneiss, together with schist and iron formations with sulfur geochemistry. Gray, weathered psammitic rocks are common in the upper part of the basin, with high potential for base metals and gold.
There is a small, very eroded crater attached to the exterior to the southeast, and Numerov Z is nearly connected to the northern rim. The interior floor of Numerov is relatively level, but with a central peak formation at the midpoint and some low ridges just to the south. There are a few gouge-like grooves in the surface in the northeastern floor. The western half of the floor and inner walls have been partly overlain by ejecta from Antoniadi.
Hercynian massifs and the zones in which the basement rocks can be divided. The Mid-German Crystalline High (or Mid-German High) is a structural high in the Paleozoic geology of Germany. The high forms a northeast-southwest oriented zone through Germany, but actual rock outcrops are sparse since Paleozoic basement rocks are in most of central Germany overlain by younger sedimentary rocks. The Mid-German Crystalline High crops out in the Odenwald, the Spessart, the northern Vosges and some small other massifs.
The Gravelbourg Formation is conformably overlain by the Shaunavon Formation. It conformably overlies the Watrous Formation in Manitoba and southeastern Saskatchewan, and unconformably overlays the Madison Group in south-eastern Alberta. The Lower Gravelbourg is equivalent to the Reston Formation in Manitoba and parts of the Nesson Formation in North Dakota and Montana, while the Upper Gravelbourg is equivalent to the lower Melita Formation in southeastern Manitoba and the Tampico Shale of the Piper Formation in North Dakota and Montana.
The Dent Group is overlain unconformably by the Stockdale Group, a sequence of mudstones and siltstones deposited during the latest Ordovician to earliest Silurian. The overlying Sheinwoodian to Gorstian Tranearth Group consists mainly of hemipelagite (clays and silts) with some turbiditic sandstones. This is succeeded by turbiditic sandstones, siltstones and hemipelagites of the Gorstian Coniston Group. The youngest unit is the Ludlow to Pridoli Kendal Group, which consists of couplets of graded siltstone and mudstone, locally with thick turbiditic sandstones.
During the Damian Stage, carbonate deposit stopped, bringing an erosional unconformity. As the Selandian transgressive phase got underway glauconite sand and older, reworked Cretaceous and Devonian sediments deposited, overlain by pelagic smectite clay. Erosion in the Neogene and Pleistocene has eroded most rock units that would likely have indicated open marine conditions. A break in sedimentation in the Oligocene was followed by a marine transgression and sediment accumulated in the Danish Basin, with significant coarse quartz sand compared to older Paleogene clays.
Close to Surkh Bum, Cambrian limestone is disconformably overlain by 60 meters of Ordovician shale and limestone, while to the southwest of Kabul in the Logar Valley region quartzite and shale ranges between 850 meters and 1.4 kilometers thick. Sediments 2.2 kilometers thick are present in the Dasht-i-Newar area, although they are not present in the east and southeast. Silurian rocks, such as 40 meters of black shale and limestone at Jalalabad, are only found in eastern Afghanistan.
Some conglomerates show signs of tectonic reworking. Other units include 100 meters of marl and limestone near Herat, 650 meters of the same type of rocks near Ghuk and up to 100 meters of limestone near Panjao. Devonian rocks unconformably overlap older rocks in the Logar Valley and close to Kabul, with calcareous sandstones up to 700 meters thick. In eastern Dasht-i-Nawar, 1.9 kilometer thick early Devonian quartzite and intercalated conglomerate is over overlain by 550 meters of middle Devonian limestone.
Late Devonian rocks are not present and an unconformity and conglomerate deposits point to a break in sedimentation. Tournaisian and Westphalian calcareous rocks from Carboniferous are distributed across the west, ranging from 350 meters thick at Herat to 400 meters at Kotale Shutur Chun. These rocks grade to quartzite and shale to the east. In the upper Kabul valley and Dash-t-Nawar, early Carboniferous limestone is 100 to 420 meters thick, disconformably overlain by 1.5 kilometers of quartzite and shale.
The La Loche Formation is the basal unit of the Elk Point Group and rests unconformably on the eroded Canadian Shield. It is gradationally overlain by the Contact Rapids Formation in the Clearwater River area, and by the Chinchaga or the Keg River Formation in the Slave River area north of Lake Athabasca. It may be considered equivalent to the Contact Rapids or Chinchaga Formation in some areas, and may also be referred to as the Basal red beds or the Granite Wash.
Basins that emerged at the period include the Cervarola, Camerino, Laga, Cellino, Macigno and Marnoso-Arenacea. The Cretaceous to Miocene aged Cilento Flysch, Flysch Rosso and Frido Flysch contain shale, sandstone and conglomerate and are associated with ophiolite, offering evidence of the deformational history during that time span in the southern Apennines. The Numidian Flysch contains quartz and arenite sands likely deposited by a river delta from Africa and overlain by the coarser Goroglione Flysch. Both date to the Miocene.
Maldon is a town of circa 15000 people on the tidal River Chelmer by the Blackwater Estuary in Essex. It is on the A414 east of Chelmsford, and north east of Charing Cross, London, using the A13. Essex is a county built on London Clay, overlain with pockets of gravel deposited by riparian action, the lowest land is made up of river alluvium and salt marsh. At Maldon the railway cutting (now a road cutting) provided a reference section for geologists.
The deepening of the rift is recorded by the lower Miocene Rudeis Formation. The lower part, consisting of marls and sandstones, is overlain by coarse sandstones and conglomerates reflecting a rapid increase in rift topography at that time. The Kareem Formation saw the first development of evaporites, indicating basin restriction, followed by open marine shales, as coarse clastic deposition began to reduce in the middle Miocene. Shales, anhydrite, halite and reefal limestones of the uppermost middle Miocene Belayim lie unconformably on the Kareem.
The eruptive cycle of Nazko Cone 7200 years ago started with the eruption of two different progressions of fluid lava flows, an older grey basalt overlain by a younger, darker black basalt. The passive eruptions were followed by a period of explosive eruptions.Natural Resources Canada: Nazko Cone This explosive activity built three overlapping cinder cones near the end of the explosive phase of activity. The last phase of explosive activity spread tephra to the north and east of the cones.
This resulted in the creation of a broad shield volcano. Subsequent volcanic activity created a complex edifice of trachyte and trachybasalt that formerly overlain the central part of the basaltic shield. Magmatism at Maitland continued until about 4.6 million years ago when the volcano went extinct. Volcanic activity at Maitland Volcano was consistent with extensional stresses across the northern Canadian Cordillera that began around 10 million years ago as a result of new plate motions between the Pacific and North American plates.
Marystown lies on hummocky pyroclastic volcanic rock of mixed composition. This rock is overlain by very stony sandy loam glacial till which has a classic podzol soil profile in undisturbed areas; this is named as Toslow soil association. The vegetation at the time of the soil survey was a barren dominated by sphagnum mosses, heath-type shrubs, and mountain alder. Forest vegetation, mostly of coniferous trees, has developed in many areas around town as can be seen on Google Street View.
THEMIS IR daytime mosaic overlain on MOLA topography. The flanks of Ascraeus Mons have a rumpled appearance caused by numerous low, rounded terrace-like structures arranged concentrically around the summit of the volcano. The terraces are spaced 30 to 50 km apart, have lengths up to 100 km, radial widths of 30 km, and heights of about 3 km. Individual terraces are not continuous around the volcano, but instead consist of arcuate segments that overlap with each other, forming an imbricate pattern.

No results under this filter, show 1000 sentences.

Copyright © 2024 RandomSentenceGen.com All rights reserved.