Photo: Bowers & WilkinsPulling up the rear is the $1,000 Formation Bass, the $1,200 Formation Bar, and the $700 Formation Audio.
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Flanking the Formation Duo is the more affordable Formation Wedge.
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Formation to buy our tickets to The Formation World Tour, that is.
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The article's text was also updated to better characterize Formation 8 and Formation Group.
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"Brown dwarf formation is a universal part of star formation in general," said O'Meara.
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A common shareholder across the two is Brian Koo, a member of the LG family who founded the Formation 8 fund, and the Formation Fund which launched after Formation 8 was shuttered.
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Recently, the American Council for Capital Formation released "Capital Formation 101," a report I was privileged to author.
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Are you getting in that 'Formation' right now?" host Charlamagne Tha God asked before quoting Beyonce's song "Formation.
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Examples of rock units formed during the Aptian are: Antlers Formation, Cedar Mountain Formation, Cloverly Formation, Elrhaz Formation, Jiufotang Formation, Little Atherfield, Mazong Shan, Potomac Formation, Santana Formation, Twin Mountains Formation, Xinminbao Group and Yixian Formation.
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The progradational Longmyndian Sequence from oldest to youngest is: Ragleth Tuff Formation; Stretton Shale Formation; Burway Formation; Synalds Formation; Lightspout Formation; Portway Formation; Bayston-Oakswood Formation; Bridges Formation. The latter two units belong to the Wentnor Group. Below we carry on from the underlying Portway Formation (Stretton Group).
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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.
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The lower part of the formation is coeval in age with the Gielniów Formation and Drzewica Formation (Southern and central Poland), Lobez Formation and Komorowo Formation (Pomerania), Olsztyn Formation (Baltic German-Polish transition), the lower part of the Rydeback Member of the Rya Formation (Southern Sweden), lower Fjerritslev or Gassum Formation (Danish Basin), lower and middle Bagå Formation (Bornholm), Neringa Formation (Lithuania). The Upper part is coeval with the lowermost upper Rydeback Member, upper Gassum Formation and lower Lava Formation (Lithuania).
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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.
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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.
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The Dutch Landen Formation is not totally equal with the Belgian Landen Group. In Belgium, the Orp and Gelinden Members are seen as one separate formation, the Heers Formation. The Dutch Landen Formation correlates with the Belgian Heers Formation, Hannut Formation, Tienen Formation and parts of the Opglabbeek Formation. The Landen Formation lies normally on top of a nonconformity with the Dutch Chalk Group, which is usually represented by the early Paleocene Houthem Formation.
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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.
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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.
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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.
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The youngest preserved sequence in the basin is the fully marine Lias Group, consisting of the Blue Lias Formation, the Charmouth Mudstone Formation, the Dyrham Formation, the Marlstone Rock Formation, the Whitby Mudstone Formation and the Bridport Sand Formation.
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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.
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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.
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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.
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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.
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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.
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The BiCoNi Formation is a hydrothermal lode formation, in which bismuth, cobalt, nickel and uranium ores have coalesced. It occurs mainly in the Ore Mountains and is the youngest formation in the hydrothermal sequence (polymetalliferous (kb) formation, iron-barite (eba) formation, precious brownspar (eb) formation, fluorite-barite (fba) formation, BiCoNi formation). Due to its combination with uranium, it is occasionally also called the bismuth-cobalt-nickel-uranium formation.
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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.
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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.
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The Stony Mountain Formation is slightly unconformably overlain by the Stonewall Formation and sharply overlays the Red River Formation or the Herald Formation.
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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.
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The Edmonton Group is disconformably overlain by the Paskapoo Formation and conformably overlies the Bearpaw Formation or, where the Bearpaw is absent, the Belly River Formation. The Edmonton Group grades into the sequence of the Blood Reserve Formation, St. Mary River Formation and Willow Creek Formation in the southern Alberta plains; into the upper part of the Wapiti Group in the northern Alberta and northeastern British Columbia; and into the upper part of the Brazeau Formation and the Coalspur Formation in the foothills of the Canadian Rockies. It is equivalent to, but not contiguous with, the Eastend Formation, Whitemud Formation, Battle Formation and Frenchman Formation in the Cypress Hills of southeastern Alberta and southwestern Saskatchewan; and with the Fox Hills Formation in Saskatchewan. Formations that are stratigraphically equivalent in the western United States are the Horsethief Formation in Montana; the Fox Hills Formation and Lace Formation in Montana; and the Lennup Formation and Muteetse Formation in Wyoming.
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The Fort Simpson Formation is overlain by the Jean Marie Member of the Redknife Formation in its eastern reaches, and progressively by the Kakisa Formation, Trout River Formation or Tetcho Formation towards the west. It is conformably underlain by the Muskwa Member of the Horn River Formation. It is replaced by the Besa River Formation in the Liard River area. It is equivalent to the Imperial Formation to the north, the Tathlina Formation, Twin Falls Formation and Hay River Formation to the east, and the Woodbend Group in Alberta.
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This marine species occurs off Venezuela. Fossils have been found in the Gurabo Formation, Santo Domingo, and in the Bowden Formation, Japaica; Springvale Formation, Trinidad; Punta Gavilan Formation, Venezuela; Limon Formation, Costa Rica and in the Gatun Formation, Costa Rica and Panama.
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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.
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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.
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The Ilek Formation is a Lower Cretaceous geologic formation in Western Siberia. Many different fossils have been recovered from the formation. It overlies the Late Jurassic Tyazhin Formation and underlies the Albian Kiya Formation. The formation was described by L. A. Ragozin in 1935.
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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.
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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.
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In Belgium the Voort Formation is stratigraphically below the early Miocene marine Berchem Formation (in Antwerpen) or Bolderberg Formation (in Limburg). In the Netherlands it is below the early Miocene Breda Formation. In Belgium the Voort Formation is on top of the older formations of the Rupel Group (Boom Formation or Eigenbilzen Formation), in the Netherlands the Voort Member is on top of the Rupel Formation.
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The sequence continues with the Lower to Middle Jurassic Bearreraig Sandstone Formation followed by Middle Jurassic Great Estuarine Group, comprising the Cullaidh Shale Formation, Elgol Sandstone Formation, Lealt Shale Formation, Valtos Sandstone Formation, Duntulm Formation, Kilmaluag Formation and the Skudiburgh Formation. The Upper Jurassic is represented by the Staffin Shale Formation. The only Cretaceous unit exposed on Skye is the Strathaird Limestone Formation, thought to be either Turonian or Campanian in age, which lies unconformably on the Jurassic and is overlain unconformably by Palaeocene lavas.
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Location of the Statenville Formation. The Statenville Formation is a geological formation of northern Florida, USA.
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The Ameki Formation is a Lutetian to Bartonian geological formation located in Nigeria. It belongs to the Bende-Ameki Group. Ameki Formation is also a group that consists of two formations namely Nnanka Formation, Nsugbe Formation.
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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.
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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.
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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.
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On top of the Lede Formation is normally the younger Maldegem Formation (marine clays and sands of Bartonian age). Below the Lede Formation are the Brussel Formation and Aalter Formation, both also part of the Zenne Group.
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The Winslow Formation was a geologic formation in Arkansas, now abandoned and replaced by the Atoka Formation, the Hartshorne Formation, and the lower McAlester Formation (previously Spadra Shale). It preserves fossils dating back to the Carboniferous period.
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Formations within the Trinity Group include the Hammett Formation, Cow Creek Formation, Hensel Formation, and Lower and Upper Glen Rose Formation. The Upper Cretaceous rock units confine the Edwards Aquifer within the Edwards Group and Georgetown Formation.
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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.
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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.
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The group is subdivided into three formations: the Bilzen Formation (yellow- white glauconiferous fine sand, containing fossils), the Boom Formation (a thick clay deposit, containing loam layers and septaria) and the Eigenbilzen Formation (strongly layered sands). The Rupel Group lies stratigraphically on top of the late Eocene Tongeren Group (Sint Huibrechts-Hern Formation or Zelzate Formation) or Maldegem Formation. The group can be covered by a range of younger formations, such as the late Oligocene Voort Formation, the Miocene Berchem Formation or Bolderberg Formation or the Pliocene Kattendijk Formation.
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The Devonian Period rocks in Montour County include the Catskill Formation, the Marcellus Shale, the Helderburg Formation, the Mahantango Formation, the Oriskany Formation, the Marine Beds, and the Onondaga Formation. The other one third of the rocks in Montour County are from the Silurian Period. Rocks from this period are prevalent on Montour Ridge and the adjacent valley and the hills to the northwest of Washingtonville. These areas consist of the Wills Creek formation, the Tonoloway Formation, the Bloomsburg Formation, the Tuscarora Formation, the Clinton Group, and the McKenzie Formation.
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Formation pressure is the pressure exerted by the formation fluids, which are the liquids and gases contained in the geologic formations encountered while drilling for oil or gas. It can also be said to be the pressure contained within the pores of the formation or reservoir being drilled. Formation pressure is a result of the hydrostatic pressure of the formation fluids, above the depth of interest, together with pressure trapped in the formation. Under formation pressure, there are 3 levels: normally pressured formation, abnormal formation pressure, or subnormal formation pressure.
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The Mishash Formation is a Late Cretaceous (Campanian-Maastrichtian) geologic formation in Israel. The formation is correlated with the Duwi Formation of Egypt and the Amman and Ruseifa Formations of Jordan.Mishash Formation at Fossilworks.org Mosasaur fossils assigned to Prognathodon currii and pterosaur fossils have been recovered from the formation.
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30 Nescopeck Creek's watershed contains several major rock formations. These are the Mauch Chunk Formation, the Llewellyn Formation, the Pocono Formation, and the Pottsville Formation. The Mauch Chunk Formation is associated with large amounts of high-quality groundwater. This formation consists of a layer of shale, sandstone, and silt.
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The Pimienta Formation is a geologic formation in Mexico. It preserves fossils dating back to the Tithonian-Berriasian. The formation is considered laterally equivalent to the La Casita Formation. The Metriorhynchid Cricosaurus vignaudi is known from the formation.
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The Viche Formation is a Langhian (Friasian to Colloncuran in the SALMA classification) geologic formation of the Borbón Basin in northwestern Ecuador. The formation underlies the Angostura Formation. Fossils of Ziphiidae indet. have been found in the formation.
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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.
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The Majiacun Formation is a Santonian to Coniacian geologic formation in China.Majiacun Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation.
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Stratigraphically the formation is positioned in between the older Hannut Formation and the younger Kortrijk Formation (Ieper Group).
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The Lezas Formation is a Mesozoic geologic formation in Spain. Pterosaur fossils have been recovered from the formation.
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The Melovatka Formation is a Cenomanian geologic formation in Russia. Pterosaur fossils have been recovered from the formation.
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The Amminadav Formation is a Mesozoic geologic formation in Israel. Pterosaur fossils have been recovered from the formation.
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Thickness is . The formation rests conformably on the Sandia Formation and is disconformably overlain by the Alamitos Formation.
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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.
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The Rundle Group comprises the Mount Head Formation and Livingstone Formation in the Rocky Mountains; by the Turner Valley Formation, Shunda Formation and Pekisko Formation in the foothills and plains. It is equivalent to the Debolt Formation and Prophet Formation in north-eastern British Columbia and west-northern Alberta. Debolt, Shunda and Pekisko Formations are staked in the Fort Nelson area.
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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.
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Basilotritus is a genus of basilosaurid early whale known from the early late Middle Eocene (late Lutetian to Bartonian, ) Kiev Formation of the Ukraine, Stockletten Formation of Germany, Tongeren Formation of the Netherlands, Giushi Formation of Egypt and the United States (Castle Hayne Formation, North Carolina and Piney Point Formation, Virginia).
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It overlies the Bald Peak Basalt formation, and underlies the Pleistocene epoch Leona Rhyolite formation. It is composed of siltstone, sandstone, and conglomerates. It has fluviatile and lacustrine deposits. Descending under the Bald Peak Basalt formation are the Pliocene epoch units of the Siesta Formation, Moraga Formation, and Orinda Formation.
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The main rock formations in the stream's watershed are the Mauch Chunk Formation, the Spechty Kopf Formation, the Pocono Formation, and the Buddys Run Member of the Catskill Formation.
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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.
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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.
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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.
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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.
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Block faulting and basalt flows continued with the Bikfaya Formation, which is accompanied by large and easily recognizable limestone deposits that easily form cliffs. The Salima Formation lies on top of the Bikfaya, consisting of oolitic limestone, clay, marl and sandstone, although its age is currently under debate. Other significant formations from the Jurassic include the Chouf Formation, Abeih Formation, Mdairej Formation, Hammana Formation and the Cenomanian Sannine Formation as well as the Maameltain Formation.
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In southern Limburg the Tongeren Formation is lies on top of formations of the Lower North Sea Group (in particular the late Paleocene to early Eocene Dongen Formation and Landen Formation) or the Dutch Chalk Group (represented by the Late Cretaceous to early Paleocene Vaals Formation, Gulpen Formation and Houthem Formation). In most places, the late Oligocene, marine sands and clays of the Rupel Formation are found on top of the Tongeren Formation.
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The Bet-Meir Formation is a Mesozoic geologic formation in Israel. Pterosaur fossils have been recovered from the formation.
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The formation has been mapped as the Los Moyos Formation in the Manzano Mountains,Myers 1973 but Lucas et al. have recommended abandoning the name Los Moyos Formation and using Grey Mesa Formation throughout the Madera Group. The Gray Mesa Formation likely correlates with the Porvenir Formation in the southeastern Sangre de Cristo Mountains. The formation is underlain at most locations by the Sandia Formation, with its base typically placed at the first massive marine limestone bed above the shales of the Sandia Formation.
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The Nahanni Formation is conformably overlain by the Fort Simpson Formation in the west and by the Horn River Formation in the east. It overlays the Headless Formation diachronically and transitionally, with younger deposits occurring in the west. It is equivalent to the upper part of the Hume Formation in the Mackenzie River area, as well as the Lonely Bay Formation, Pine Point Formation and Little Buffalo Formation in the Great Slave Lake area. In northern Alberta it corresponds to the Keg River Formation.
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The Banff Formation is overlies the Palliser Formation in the Canadian Rockies, the Wabamun Formation in central Alberta, the Exshaw Formation in southern Alberta and in the Fort Nelson area. It is overlain by the Pekisko Formation and the Livingstone Formation in north- central and southern Alberta respectively, and it is followed by the Shunda Formation in north-eastern British Columbia. An unconformity is observed between Banff and the Rundle Group in outcrop. The Banff Formation is equivalent to the Lodgepole Formation in Montana.
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In the Santander Massif, the Noreán Formation has been correlated to the Jordán Formation, while in the Serranía de San Lucas the formation correlates with and is partly overlying the Morrocoyal Formation. In the Sierra Nevada de Santa Marta of northern Colombia, the Noreán Formation is considered equivalent with the Guatapurí Formation, the Corual and Los Indios Formations and the ignimbrite complexes of Caja de Ahorros, La Paila and La Piña. In the Serranía del Perijá to the east of the extent of the formation, the Noreán Formation correlates with La Quinta Formation. In the La Guajira peninsula, the formation is time- equivalent with the Rancho Grande Formation while to the south of its area in the Upper Magdalena Valley the Noreán Formation is correlated with the Saldaña Formation.
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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.
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The formation is mostly reddish-brown clay-rich siltstone and fine-grained sandstone, with sandstone beds up to thick. The formation also contains conglomerate lenses up to . The total thickness of the formation is . The formation unconformably overlies the Baldy Hill Formation and underlies the Sloan Canyon Formation or locally the Exeter Sandstone.
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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.
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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.
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The Ixcoy Formation is a geologic formation in Guatemala. It preserves fossils dating back to the Cretaceous period.Ixcoy Formation at Fossilworks.org The upper part of the Ixcoy Formation is laterally equivalent with the Campur Formation of the Petén Basin in northern Guatemala.
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The Rabekke Formation is a geological formation dating to the latest Jurassic or earliest Cretaceous, around 146 to 145 million years ago.Rabekke Formation at Fossilworks.org The formation crops out on the island of Bornholm, Denmark. Vertebrate fossils have been found in the formation.
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This group contains the following formations in descending order: # Tilestones Formation, Downton Castle Sandstone formation (90 ft./27.7 m), # Ledbury Formation shales 270 ft./83 m), # Upper Ludlow sub-group formation (140 ft./43 m), # Aymestry Limestone Formation (up to 40 ft.
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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.
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These include the Spechty Kopf Formation, the Hamilton Formation, and the Catskill Formation. Little is understood about the Spechty Kopf Formation, but it occurs between the Catskill and Pocono Formations. The Catskill Formation is grayish-red shale, siltstone, and sandstone.Stewardship Report pp.
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The Chorrillo Formation, also named as Chorillo Formation,Río Leona at Fossilworks.org is a Maastrichtian geologic formation in southern Patagonia, Argentina. The formation is more than thick and underlies the Calafate Formation and rests on top of the La Irene Formation.Marenssi et al.
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The Tsagaantsav Formation, Tsagantsab Formation or Tsagan-Tsab Formation (Russian: Tsagaantsav Svita) is an Early Cretaceous (Hauterivian to Barremian) geologic formation in Mongolia.Tsagaantsav Formation in the Paleobiology Database Indeterminate sauropod and psittacosaurid remains have been recovered from the formation.Weishampel et al., 2004, pp.
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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.
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The Yanigua Formation is a geologic formation in Dominican Republic. The lagoonal claystones and marls preserve fossils dating back to the Miocene period.Yanigua Formation at Fossilworks.org The formation hosts Dominican amber.
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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.
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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.
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Stratigraphic sections of the Chickaloon Formation Chickaloon Formation, showing arms of a syncline The Chickaloon Formation is a geologic formation in Alaska. It preserves fossils dating back to the Paleogene period.
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The Xiaguan Formation is a Turonian to Campanian geologic formation in Henan Province of China.Xiaguan Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation.
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St. Marks Formation location in red. The St. Marks Formation is a Miocene geologic formation in the eastern Florida Panhandle.
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The White Chalk Formation is a Mesozoic geologic formation in southern England. Pterosaur fossils have been recovered from the formation.
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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.
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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.
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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.
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The only Cretaceous rocks consist of the Jalama Formation, found on San Miguel Island. Lower Tertiary sequence of rocks are found within the Christi Anticline on the southwestern part of Santa Cruz Island. The sequence includes the Pozo Formation, Canada Formation, Jolla Vieja Formation, and the Cozy Dell Formation. San Miguel and Santa Rosa islands have the Middle to Late Eocene South Point Formation, while the Cozy Dell Formation is present on Santa Rosa, along with the Sespe Formation.
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The Langental Formation, also spelled as Langetal Formation, is a Late Eocene (Bartonian to Priabonian) geologic formation cropping out in the Sperrgebiet, ǁKaras Region of southwestern Namibia. The siltstones and sandstones of the formation were deposited in a shallow marine environment.Langetal Formation at Fossilworks.org The Langental Formation was deposited under hot and humid conditions.
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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.
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F-16s of the USAF 457th Fighter Squadron flying in a "Finger-four" formation The finger-four formation (also known as the "four finger formation" and the "Fingertip Formation") is a flight formation used by fighter aircraft. It consists of four aircraft, and four of these formations can be combined into a squadron formation.
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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.
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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.
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The Gentbrugge Formation is part of the Ieper Group and is stratigraphically on top of the older Mons-en-Pévèle Formation (micaceous sandstone), another formation of the same group. On top of the Gentbrugge Formation are deposits of the Lutetian Zenne Group. In the north of Belgium this is often the Aalter Formation (marine clays and sands). In the south the Aalter Formation often lacks and the younger Brussel Formation (marine sand and marl) and Lede Formation (marine calcareous sand) can be found directly on top of the Gentbrugge Formation.
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The Cobourg Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period. Technically the formation extends into New York State with Canadian section called Lindsay Formation.
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The Charco Azul Formation comprises tuffaceous shales deposited in a deep marine environment The formation unconformably underlies the Armuelles Formation. The formation is correlated to the Jama and Canoa Formations of Ecuador.
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In the Upper Rhine Valley, it is represented by Kandern Formation , Korallenkalk Formation and Nerineenkalk Formation . The distribution of the Impressamergel formation extends over the entire Swabian Alb to the Wutach area.
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The Solling Formation is a geologic formation in Germany.Solling Formation at Fossilworks.org Formerly considered earliest Triassic (Induan), but later dating places the formation from the Olenekian to Anisian of the Triassic period.
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The formation lies disconformably on Crevasse Canyon Formation and grades above into the Spears Formation. The formation provides evidence for a pulse of Laramide deformation in New Mexico 50 million years ago.
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The Ledbury Formation is a geologic formation in Herefordshire, England. The shale formation preserves fossils dating back to the Silurian period.
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The Salero Formation is a Late Cretaceous geologic formation in the United States. The formation is 70-74 million years old.
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The formation overlies the Brawley Formation and the Palm Spring Formation. In the Mecca Hills, it is younger than 765,000 years.
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Grayson Formation - stratigraphy The Grayson Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
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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.
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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.
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Sandstone, Greene Formation (Monroe County, Ohio) Nineveh Limestone, Greene Formation in Ohio Outcrops of Nineveh Limestone, Greene Formation (Monroe County, Ohio) The Greene Formation is a geologic formation in West Virginia, Ohio, Maryland, Virginia and Pennsylvania. It preserves fossils dating back to the Permian period.
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Caleta Herradura Formation () is a geologic formation of Late Miocene (Montehermosan) age, cropping out on the Mejillones Peninsula in northern Chile. The erosion at the Coastal Cliff of northern Chile have created particularly good exposures of Caleta Herradura Formation. The formation deposited in a half graben within Mejillones Peninsula. The formation rests nonconformably on the Jorgino Formation.
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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.
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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.
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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.
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Normal fault in La Herradura Formation, Morro Solar, Peru The formations of the Morro Solar Group are: La Herradura Formation (), whose sediments reflect a marine near-shore deposition environment, the Valanginian Salto del Fraile Formation (), and the Marcavilca Formation (). The Salto del Fraile Formation is equivalent to the basal part of the Huancané Formation found further inland.
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The Everton Formation is a geologic formation in northern Arkansas that dates to the middle Ordovician Period. Unconformities separate this formation from the underlying Powell Formation and the overlying St. Peter Sandstone Formation. Named for the town of Everton in Boone County, Arkansas in 1907, the Everton Formation is composed primarily of dolomite, limestone, and sandstone.
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The formation consists mostly of black to gray shale and minor limestone.Gordon 1907 It rests on a regional unconformity, so that the underlying formation may be the Fusselman Formation,Stevenson 1945 the Sly Gap Formation, or the Onate Formation. It underlies the Lake Valley Limestone, Caballero Formation, Escabrosa Limestone, or other Mississippian formations. Total thickness is about .
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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.
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The Plainview Formation is a Early Cretaceous (Albian) geologic formation of the Dakota Group in Colorado.Plainview Formation at Fossilworks.org Fossil ankylosaur tracks and tracks of Caririchnium sp. have been reported from the formation.
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Under this rock formation lie the Pottsville Formation, the Pocono Formation, the Mauch Chunk Formation, and the Catskill Formation. The first of these is made of coal, shale, sandstone, and conglomerate, while the second contains red sandstones and shales. The Pocono Formation contains dense sandstones and conglomerates and occurs in outcrops on the Moosic and West Mountains. The Catskill Formation mainly occurs on the fringes of the watershed.
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The Scarborough Formation is a Pleistocene geologic formation in Ontario.
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Well known for their Normandy Formation and Sniper Track Formation.
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The Wandsworth Formation is a formation cropping out in Newfoundland.
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The Redmans Formation is a formation cropping out in Newfoundland.
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The Calmer Formation is a formation cropping out in Newfoundland.
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The Creston Formation is a formation cropping out in Newfoundland.
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The Garnish Formation is a formation cropping out in Newfoundland.
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The Terrenceville Formation is a formation cropping out in Newfoundland.
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The Pleasant Mills Formation is a geologic formation in Indiana.
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The Spickert Knob Formation is a geologic formation in Indiana.
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In Belgian lithostratigraphy the Hannut Formation is one of the two formations of the Landen Group. The other formation is the younger Tienen Formation (continental and lagoonal sands and clays from the late Thanetian age), which is normally found on top of the Hannut Formation. In the northern and eastern parts of Flanders the Hannut Formation lies stratigraphically on top of the Heers Formation (middle Paleocene sands and marls). The Hannut Formation correlates with parts of the Landen Formation in the Netherlands.
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The Kiskatinaw Formation is generally conformably overlain by the Taylor Flat Formation (with some exceptions in the Peace River and Fort St. John areas) and unconformably underlain by Golata Formation due to pre-Kiskatinaw erosion. Some Kiskatinaw channels cut down into the Debolt Formation in the eastern parts of its extents. The Kiskatinaw Formation is correlated with the upper Mattson Formation in the Liard area, with the upper Etherington Formation in southern Alberta and with the Otter Formation in Montana.
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Lushan Formation from the Miocene contains shale slate and sandstone. Aodi Formation contemporary Sule Formation slate and sandstone from the later Miocene.
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The Lastres Formation is a geological formation located in Asturias province, northwestern Spain Fossil pterosaur tracks have been found in the formation.
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The El Peñón Formation, part of the Villeta Group, conformably overlies the Trincheras Formation and is conformably overlain by the Capotes Formation.
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In the Campine Basin the Houthem Formation is overlain by the Paleocene Opglabbeek Formation (clay and sand) and the Heers Formation (marl).
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If the Gentbrugge Formation is absent, the younger Brussel Formation (Lutetian calcareous sand) is directly found on top of the Tielt Formation.
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The formation thins eastward, grading into the Earlie Formation beneath the Alberta plains. To the north it grades into the Snake Indian Formation. It is equivalent to the thinner Elko Formation to the south.
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The Sekmenevsk Formation (Russian: Sekmenevska Svita) is a Cretaceous (Albian to Cenomanian) geologic formation in the Kursk Oblast of European Russia.Sekmenevsk Formation in the Paleobiology Database Pterosaur fossils have been recovered from the formation.
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The Tilougguit Formation, also known as the Tillouguit Formation, is an Early Bathonian geologic formation in Morocco. An indeterminate sauropod is known from the formation Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
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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.
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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.
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The Canoa Formation is a Piacenzian to Calabrian (Chapadmalalan to Uquian in the SALMA classification) geologic formation in Ecuador. The sandstones were deposited in a coastal environment.Canoa Formation at Fossilworks.org The formation is correlated to the Charco Azul Formation of western Panama and southeastern Costa Rica.
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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.
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No submembers exist in Georgia or Florida for this formation. In South Carolina, the basal member of the Claiborne Group is called the Conagree Formation, which correlates to the Tallahatta Formation. It has been proposed that the Tallahatta Formation in Georgia be renamed the Conagree Formation.
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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.
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The Xinlong Formation (sometimes called the "Napai Formation", or misspelt as "Napan Formation") is an Early Cretaceous geologic formation in Guangxi, southern China.Xinlong Formation at Fossilworks.org Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.Weishampel, et al. (2004).
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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.
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The Sebeș Formation is a geological formation in Romania. It is of Maastrichtian age. It is laterally equivalent to the Sard Formation. The base of the formation consists of claystones interbedded with sandstones and conglmerates.
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The Eldon grades into the Earlie Formation to the east, the Chancellor Formation to the west, and the Titkana Formation to the north. It is probably equivalent to the Windsor Mountain Formation to the south.
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The Dushihin Formation is an Early Cretaceous (Aptian) geologic formation in the Övörkhangai Province of Mongolia.Dushihin Formation in the Paleobiology Database The formation preserves fossils of Psittacosaurus mongoliensis and fossil eggs described as Trachoolithus faticanus.
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The formation in which the oil was discovered led to 'Norphlet' becoming a geological term - a Norphlet Formation is a Jurassic Sandstone Formation.
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S. validum is known from the Dinosaur Park Formation and the Oldman Formation, whereas S. novomexicanum is from the Fruitland and Kirtland Formation.
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The Atrasado Formation is a geologic formation in New Mexico. Its fossil assemblage dates the formation to the Kasimovian age of the Pennsylvanian.
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Cape Yakataga with Yakataga Formation The Yakataga Formation is a geologic formation in Alaska. It preserves fossils dating back to the Neogene period.
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The Road Canyon Formation is a geologic formation in Texas.Road Canyon Formation at Fossilworks.org It preserves fossils dating back to the Permian period.
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Formations within the Edwards Group include the Kainer Formation and the Person Formation. The Kainer Formation includes the Dolomitic, Kirschberg, and Grainstone Members.
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The Yushima Formation, also known as the Tatsunokuchi Formation, is a palaeontological formation located in Japan. It dates to the Lower Pliocene period.
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The Shirabad Formation () is a late Albian geologic formation in Tajikistan.
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The Sagog Formation is an Albian geologic formation in South Korea.
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The Tickle Point Formation is a formation cropping out in Newfoundland.
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The Tilt Hills Formation is a formation cropping out in Newfoundland.
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The Wild Cove formation is a formation cropping out in Newfoundland.
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High humidity increases zygospore formation and low humidity increases sporangiophore formation.
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The Trinny Cove Formation is a formation cropping out in Newfoundland.
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The Cape Ballard Formation is a formation cropping out in Newfoundland.
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The Ferryland Head Formation is a formation cropping out in Newfoundland.
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The Barasway Formation is a volcanic formation cropping out in Newfoundland.
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The Cinq Isles Formation is a formation cropping out in Newfoundland.
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The Corbin Head Formation is a formation cropping out in Newfoundland.
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The Deadmans Cove Formation is a formation cropping out in Newfoundland.
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The Grandy's Pond formation is a formation cropping out in Newfoundland.
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The Isle Galet Formation is a formation cropping out in Newfoundland.
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The Jigging Cove Formation is a formation cropping out in Newfoundland.
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The Pardy Island Formation is a formation cropping out in Newfoundland.
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The Path End Formation is a formation cropping out in Newfoundland.
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The Pools Cove Formation is a formation cropping out in Newfoundland.
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The Riches Island Formation is a formation cropping out in Newfoundland.
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The Salmonier Cove Formation is a formation cropping out in Newfoundland.
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The Sam Head Formation is a formation cropping out in Newfoundland.
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The Sculpin Point Formation is a formation cropping out in Newfoundland.
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The Snooks Tolt Formation is a formation cropping out in Newfoundland.
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The Southern Hills Formation is a formation cropping out in Newfoundland.
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The Spanish Room Formation is a formation cropping out in Newfoundland.
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The Taylors Bay Formation is a formation cropping out in Newfoundland.
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The Sappa Formation is a fossil bearing geologic formation in Nebraska.
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The Martinez Formation is an Eocene Epoch geologic formation in California.
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The Tejon Formation is a Paleogene period geologic formation in California.
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The Akazaki Formation is a Mesozoic geologic formation in Kyushu, Japan.
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Buena Vista Member, Cuyahoga Formation; Reynoldsburg, Ohio Paleopebble (Dugway Member, Cuyahoga Formation; Licking County, Ohio) Gray sandstone (Fairfield Member, Cuyahoga Formation; Hocking Hills, Ohio) Raccoon Shale (Cuyahoga Formation; Heath, Ohio) Sharpsville Sandstone Member (Cuyahoga Formation; Cuyahoga Falls, Ohio) The Cuyahoga Formation is a geologic formation in Ohio. The age of the formation is difficult to determine, because of a lack of diagnostic fossils. Roughly, the formation dates from the Late Kinderhookian (354.8 to 350.8 million years ago) to the Middle Osagean (347.7 to 344.5 million years ago). Eight members are recognized, among them the Orangeville Shale, Sharpsville Sandstone, and Meadville Shale.
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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.
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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.
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In the southwest of the Netherlands the Rupel Formation lies stratigraphically on top of the late Eocene to early Oligocene Tongeren Formation. Further east the Rupel Formation is found on top of the Eocene sands of the Dongen Formation. In the east, on the Middel-Netherlands High, the base of the formation can also be a nonconformity with Mesozoic deposits. In some places the younger Veldhoven Formation lies on top of the Rupel Formation.
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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.
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Kannemeyeria skull Kannemeyeria is known from the Subzone B of Burgersdorp Formation of South Africa, the Ntawere Formation of Zambia, the Omingonde Formation of Namibia, the Lifua member of Manda Formation of Tanzania. If the synonymy of the genus Shaanbeikannemeyeria from Hessahngou Formation and Lower Ermaying Formation of China and Uralokannemeyeria from Donguz Formation of Russia is correct then Kannemeyeria had a wider distribution. The presence of Kannemeyeria in South America have been refuted.
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Outcrop extent of the Agrio Formation The Agrio Formation is included in the Mendoza Group, representing its youngest formation. In the east of the Neuquén Basin, the formation rests upon continental clastic deposits of the Mulichinco Formation, with the contact between the two formations characterized by a regional transgressive surface. Towards the west, the formation unconformably overlies the Bajada Colorada Formation.Olivo et al.
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The type locality of the Portezuelo Formation is the mountain range known as Sierra del Portezuelo in Neuquén Province.Wichmann, 1929 This formation conformably overlies the Lisandro Formation of the Río Limay Subgroup. In the top layers it grades into the Plottier Formation, the younger formation within the Río Neuquén Subgroup. Sandstones and siltstones, probably deposited under fluvial conditions, make up the Portezuelo Formation.
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Immediately south of this formation in the watershed is a band of the Spechty Kopf formation. South of the Spechty Kopf formation is a band of members of the Irish Valley formation. In the extreme southern area of the watershed is a band of members of the Buddy Run formation. A rock formation known as the Oriskany chert stops at Little Shamokin Creek.
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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.
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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.
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104 The spread of ages based on zircons has been reported from 60.96 ± 0.7 to 53.6 ± 1.1 Ma.Bayona et al., 2012, p.103 The Bogotá Formation is laterally equivalent with the shales of the Socha Formation, the San Fernando Formation, the El Limbo Formation, Los Cuervos Formation,Figures Bayona et al. and the fossil- rich Cerrejón Formation of La Guajira.
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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.
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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.
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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.
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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.
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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.
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The La Casita Formation is a geologic formation in Mexico. It preserves fossils dating back to the Kimmeridgian to lowermost Berriasian. It is laterally equivalent to the La Caja Formation and the Pimienta Formation. The ichthyosaur Acuetzpalin is known from the formation, as well as the metriorhynchid DakosaurusM.-C.
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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.
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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.
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The organic matter-rich shales are one of the main source rocks of the Santos Basin. This formation is correlative with the Coqueiros Formation in the Campos Basin. The age of the Itapema Formation is Barremian to Aptian. ;Barra Velha Formation The Barra Velha Formation is approximately thick.
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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.
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The organic matter- rich shales are one of the main source rocks of the Santos Basin. This formation is correlative with the Coqueiros Formation in the Campos Basin. The age of the Itapema Formation is Barremian to Aptian. ;Barra Velha Formation The Barra Velha Formation is approximately thick.
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The formation has been mapped as the Wild Cow Formation in the Manzano MountainsMyers 1973 and as the Guadelupe Box Formation in the Jemez Mountains.Krainer et al. 2005 However, Lucas et al. have recommended abandoning the name Wild Cow Formation and using Atrasado Formation throughout the Madera Group.
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Location of the Peace River Formation in Florida. Fossil (Gavialosuchus americanus) from the Peace River Formation, Florida The Peace River Formation is a Late Oligocene to Early Miocene geologic formation in the west-central Florida peninsula.
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The Pudovkino Formation (Russian: Pudovkino Svita) is a Late Cretaceous (Campanian) geologic formation in Saratov Oblast of European Russia.Pudovkino Formation in the Paleobiology Database Pterosaur fossils have been recovered from the marine marls of the formation.
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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.
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The Kaskapau Formation is equivalent to the Colorado Group shale in central Alberta. It is equivalent to the upper Blackstone Formation, the Cardium Formation, and the Muskiki Formation in the Canadian Rockies foothills in western Alberta.
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The Malhada Vermelha Formation is an Early Cretaceous (Valanginian to Hauterivian) geologic formation in Ceará, northeastern Brazil. The formation preserves reptile, fish and ichnofossils.
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The Zambales Mountains include Jurassic to Miocene ophiolite massifs, overlain by more recent sedimentary formation, including the Cagaluan Formation and the Santa Cruz Formation.
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The Gray Mesa Formation is a geologic formation in New Mexico. Its fossil assemblage dates the formation to the Moscovian age of the Pennsylvanian.
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Midway Formation stratigraphic column in Texas The Midway Formation is a geologic formation in Texas. It preserves fossils dating back to the Paleogene period.
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Escondido Formation stratigraphic column in Texas The Escondido Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
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Sligo Formation stratigraphic column in Texas The Sligo Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
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The Kidluit Formation is a geologic formation in Nunavut. It preserves fossils.
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The Kittigazuit Formation is a geologic formation in Nunavut. It preserves fossils.
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The Floral Formation is a geologic formation in Saskatchewan. It preserves fossils.
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The Fermeuse Formation is a fossil-bearing Ediacaran geologic formation in Newfoundland.
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The Becerra Formation is a geologic formation in Mexico. It preserves fossils.
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The Tacubaya Formation is a geologic formation in Mexico. It preserves fossils.
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The Goleta Formation is a geologic formation in Mexico. It preserves fossils.
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The Mulege Formation is a geologic formation in Mexico. It preserves fossils.
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The Falmouth Formation is a geologic formation in Jamaica. It preserves fossils.
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The Devonshire Formation is a geologic formation in Bermuda. It preserves fossils.
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The Holderness Formation is a geologic formation in England. It preserves fossils.
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The Kirtonryggen Formation is a geologic formation in Norway. It preserves fossils.
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The Grebes Nest Point Formation is a formation cropping out in Newfoundland.
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The Beaver Pond Formation is a formation cropping out in Newfoundland, Canada.
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The Belle Bay Formation is a metamorphosed formation cropping out in Newfoundland.
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The Downs Point Formation is a formation cropping out in Newfoundland, Canada.
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The English Harbour East Formation is a formation cropping out in Newfoundland.
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The Grand Le Pierre Formation is a formation cropping out in Newfoundland.
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The Mount Lucy Anne Formation is a formation cropping out in Newfoundland.
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The Mount Saint Anne Formation is a formation cropping out in Newfoundland.
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The Port au Bras Formation is a formation cropping out in Newfoundland.
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The Rocky Ridge Formation is a volcanic formation cropping out in Newfoundland.
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The Salmon River Dam Formation is a formation cropping out in Newfoundland.
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The St. Josephs Cove Formation is a formation cropping out in Newfoundland.
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The Setters Formation is a geological formation in Maryland, Pennsylvania, and Delaware.
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The Pinecrest Formation is a geologic formation in Florida. It preserves fossils.
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The Byram Formation is a geologic formation in Alabama. It preserves fossils.
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The Nanafalia Formation is a geologic formation in Alabama. It preserves fossils.
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The Sappa Formation is a geologic formation in Nebraska. It preserves fossils.
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The Sappa Formation is a geologic formation in Nebraska. It preserves fossils.
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The Sappa Formation is a geologic formation in Nebraska. It preserves fossils.
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The Admire Formation is a geologic formation in Kansas. It preserves fossils.
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The Belleville Formation is a geologic formation in Kansas. It preserves fossils.
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The McPherson Formation is a geologic formation in Kansas. It preserves fossils.
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The Meade Formation is a geologic formation in Kansas. It preserves fossils.
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The Vanheim Formation is a geologic formation in Kansas. It preserves fossils.
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The Brownville Formation is a geologic formation in Kansas. It preserves fossils.
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The Dover Formation is a geologic formation in Kansas. It preserves fossils.
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The Pillsbury Formation is a geologic formation in Kansas. It preserves fossils.
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The Gubik Formation is a geologic formation in Alaska. It preserves fossils.
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The Cache Formation is a geologic formation in California containing preserved fossils.
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The Falor Formation is a geologic formation in California. It preserves fossils.
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The Hookton Formation is a geologic formation in California. It preserves fossils.
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The Manix Formation is a geologic formation in California. It preserves fossils.
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The Montezuma Formation is a geologic formation in California. It preserves fossils.
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The Pauba Formation is a geologic formation in California. It preserves fossils.
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The Riverbank Formation is a geologic formation in California. It preserves fossils.
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The Tecuya Formation is a geologic formation in California. It preserves fossils.
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The Diligencia Formation is a geologic formation in California. It preserves fossils.
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The Delmar Formation is a geologic formation in California. It preserves fossils.
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The Bautista Formation is a geologic formation in California. It preserves fossils.
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The Battery Formation is a geologic formation in California. It preserves fossils.
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The Bruneau Formation is a geologic formation in Idaho. It preserves fossils.
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The Nelagoney Formation is a geologic formation in Oklahoma. It preserves fossils.
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The Beaumont Formation is a geologic formation in Texas. It preserves fossils.
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The Wayland Formation is a geologic formation in Texas. It preserves fossils.
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The Love Formation is a geologic formation in Texas. It preserves fossils.
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The Seymour Formation is a geologic formation in Texas. It preserves fossils.
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The Shuler Formation is a geologic formation in Texas. It preserves fossils.
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The Rawls Formation is a geologic formation in Texas. It preserves fossils.
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The Harpersville Formation is a geologic formation in Texas. It preserves fossils.
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The Thrifty Formation is a geologic formation in Texas. It preserves fossils.
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The Alamosa Formation is a geologic formation in Colorado. It preserves fossils.
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The Tule Formation is a geologic formation in Texas. It preserves fossils.
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The micropaleontological content of the Jagüel Formation made it possible to classify it as Maastrichtian–Danian (Early and Late). This formation conformably overlies the Allen Formation and it also conformably underlies the Roca Formation . The Pircala–El Carrizo Formation lies above these formations. All of them belong to the Malargüe Group.
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The Headon Formation with Bembridge Limestone Formation to the right and the upper part of the Barton Group to the left in the cliffs of Whitecliff Bay The Solent Group is Priabonian to Rupelian (early Oligocene) in age. It comprises the Headon Formation, the Bembridge Limestone Formation and the Bouldnor Formation.
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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.
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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.
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The Wabamun Formation is disconformably overlain by the Exshaw Formation in southern Alberta, by the Blairmore Group in western Alberta and by the Mannville Group in eastern Alberta. It rests conformably on the Graminia Formation siltstone of the Winterburn Group. In the Calgary area, the formation is divided into a lower and an upper part separated by the porous dolomitic Crossfield Member. It is equivalent to the Three Forks Formation in Montana, the Palliser Formation in the Canadian Rockies, the sum of the Kotcho Formation and Tetcho Formation in northeastern British Columbia.
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The Joli Fou Formation is the basal (oldest) formation of the Colorado Group. It is overlain by the Viking Formation (disconformably in south-eastern Saskatchewan) and conformably underlain by the upper Mannville Group (Grand Rapids Formation in north-eastern Alberta, Pelican Formation in southern Alberta). It is equivalent to the lower Ashville Formation in southern Manitoba, the Skull Creek Shale in North Dakota and parts of the Blackleaf Formation in northern Montana. In south-eastern Alberta, the base of the Formation contains the Cessford Sand marker, consisting of sandstone, siltstone and mudstone.
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The formation, first named as Wasatch Group in 1873 by Ferdinand Vandeveer Hayden, was deposited in alluvial, fluvial and lacustrine environments and comprises sandstones, siltstones, mudstones and shales with coal or lignite beds representing wet floodplain settings. The Wasatch Formation is a tight gas reservoir formation in the Uinta and Piceance Basins of Utah and the coal seams of the formation are mined in Wyoming. At the Fossil Butte National Monument, the formation crops out underlying the Green River Formation. In the Silt Quadrangle of Garfield County, Colorado, the formation overlies the Williams Fork Formation.
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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.
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The Northumberland Formation is a Mesozoic geologic formation in Canada. It belongs to the larger Nanaimo Group. Pterosaur fossils have been recovered from the formation.
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Sandstones of the Upper Greensand Formation above Blackgang The Selborne Group comprises claystones of the Gault Formation and sandstones of the overlying Upper Greensand Formation.
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The total thickness of the deepest beds exceeds 5 km. This includes the Kueichulin Formation with the Yutengping Sandstone, Shihliufen Shale, Kuantaoshan Sandstone; the Nanchuang Formation including Shangfuchi Sandstone and Tungkeng Formation. The Jinshui Formation or Chinshui Formation from the Pliocene is mostly shale interbedded with some mudstone and sandstone is between 80 and 400 m thick. The Zhuolan Formation or Cholan Formation (卓蘭層) starts in the Pliocene and extends into the first stage of the Pleistocene.
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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.
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The Santa Teresa Formation is the youngest unit outcropping in the Jerusalén- Guaduas synclinal, western Eastern Ranges, covering the San Juan de Río Seco Formation. The formation was formerly called La Cira Formation. In the Balú quebrada, the formation shows a thickness of , while the maximum thickness could reach . The lower boundary of the formation is marked by the first occurrence of grey claystones, covering the light brown claystones of the San Juan de Río Seco Formation.
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The formation is time-equivalent with the Tibasosa Formation of the Eastern Ranges and the Tambor Formation of the Middle Magdalena Valley.Ayala, 2009, p.25 The fossiliferous limestones and shales of the Lagunitas Formation, lower member of the Cogollo Group, contain beds of dolomite and are indicative of a shallow, saline environment. The formation is correlated with the Rosablanca Formation of the Middle Magdalena Valley and western Eastern Ranges and the Tibú Formation of the Maracaibo Basin.
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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.
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Basilemys specimens have also been found from the Oldman Formation and Dinosaur Park Formation. Other shell fragments of Basilemys have been found in the El Gallo Formation which is located in Baja California. Like the Horseshoe Canyon Formation and the Frenchman Formation, the El Gallo Formation is a rich fossiliferous geological unit. The three shell fragments that were found in the El Gallo Formation is the first record of Basilemys from the Upper Cretaceous of Mexico.
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The formation was formed during the early Lutetian age (about 46 million years ago) and is part of the Zenne Group. Stratigraphically on top of the Brussel Formation is the Lede Formation (also part of the Zenne Group), or when this formation is absent the Maldegem Formation (Bartonian) or Tongeren Group (Priabonian to Rupelian). The Brussel Formation is normally lying stratigraphically on top of the Aalter Formation (part of the Zenne Group) or deposits of the Ieper Group.
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The Pitkin Formation, or Pitkin Limestone, is a fossiliferous geologic formation in northern Arkansas that dates to the Chesterian Series of the late Mississippian. This formation was first named the "Archimedes Limestone" by David Dale Owen in 1858, but was replaced in 1904. The Pitkin conformably overlies the Fayetteville Shale and unconformably underlies the Pennsylvanian- age Hale Formation. Some workers have considered the top of the Pitkin Formation to be a separate formation called the Imo Formation.
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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.
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The Habana Formation is a geologic formation in Cuba. It preserves mainly gastropod and rudist fossils dating back to the Late Campanian to Maastrichtian periods.Habana Formation at Fossilworks.org The formation was defined by Robert H. Palmer in 1934.
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Osburn et al. 2002 The formation crops out in a limited area of the southwestern Jemez Mountains. Maximum thickness is . The formation rests unconformably on the Abo Formation and has a gradational contact with the overlying Abiquiu Formation.
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However, it is considered to be a coldwater fishery. The main rock formations in the stream's watershed are the Mauch Chunk Formation, the Spechty Kopf Formation, the Pocono Formation, and the Buddys Run Member of the Catskill Formation.
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The Jagüel Formation is a geological formation, located in Patagonia, Argentina. It underlies the Roca Formation and overlies the Allen Formation. All of these formations belong to the Malargüe Group. Its name was coined by Windhausen in 1914.
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Although some early workers included the Frenchman Formation in the overlying Ravenscrag Formation, the two are separated by the Cretaceous-Paleogene boundary and are now treated separately. The contact is abrupt but conformable, and occurs at the base of the No. 1 or Ferris coal seam of the Ravenscrag Formation. The Frenchman is separated from the underlying formations by an erosional unconformity, and depending on the depth of the erosion, the Frenchman rests on the Whitemud Formation, the Battle Formation, the Eastend Formation, or the Bearpaw Formation. It is equivalent in age to the lower part of the Scollard Formation, the lower part of the Willow Creek Formation, and the lower part of the Coalspur Formation in Alberta, and the Hell Creek Formation in Montana and North Dakota.
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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.
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The Gable Creek Formation is a sedimentary rock formation from the Albian age of the Early Cretaceous. The formation is in Wheeler County, Oregon of the United States of America and is intertongued with the similarly aged Hudspeth Formation. The formation mostly consists of fluvial-deltaic sandstones and conglomerates. Marine fossils can be found throughout the formation including various species of ammonites, clams and other mollusks.
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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.
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The Soncco Formation is a Late Eocene to Early Oligocene geologic formation in southern Peru. The base of the formation at the contact with the K'ayra Formation is dated using fission track analysis at 43 Ma and the top, the contact with the Punacancha Formation, at 30 Ma.Carlotto, 2016, p.522 In other places the Tinajani Formation overlies the Soncco Formation.La Torre et al.
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The deposition of the sandstones ended when lava flowed out over the desert 190 million years ago. The following sequence of geological formations is visible in the park (starting from the bottom): the Molteno Formation, Elliott Formation, Clarens Formation, and Drakensberg Formation. The yellow- brown Golden Gate and Brandwag cliffs are made up of the Clarens formation. The layers in this formation are thick.
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The Shaximiao Formation includes two distinct subunits: The upper and lower Shaximiao Formations (), although they are commonly referred to as one, simply being called the "Shaximiao Formation". The upper Shaximiao Formation is also known as the Shangshaximiao Formation, and the lower Shaximiao Formation is also known as the Xiashaximiao Formation. Both subunits primarily consist of purple-red mudstones, with variable sand inclusion. and siltstones with interbedded sandstones.
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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.
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The Kapuni group contains multiple formations that span the Paleocene and Eocene. These formations are, in ascending order, the Farewell Formation, Kaimiro Formation, Mangahewa Formation, and McKee Formation. The Farewell Formation (65-55 Ma) contains mostly fluvial sandstone. The Kaimiro Formation (55-45 Ma) contains mostly poor to moderately sorted alluvial and coastal plain sandstones with some inter-bedded micaceous and carbonaceous mudstones and siltstones.
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Terraza et al., 2013, p.101 The Pajarito Fault thrusts the Macanal Formation on top of the Fómeque Formation to the east of Lake Tota,Plancha 192, 1998 and the Chámeza Fault thrusts the Macanal Formation on top of the overlying Las Juntas Formation around Chámeza, Casanare.Plancha 211, 2009 The Ubaque Fault forms the contact between the Fómeque Formation and the Macanal Formation,Patiño et al.
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The Aalter Formation was formed during the late Ypresian to early Lutetian ages, giving it an age of around 48 million years. It is part of the Zenne Group and is covered by the Brussel Formation. If the Brussel Formation is absent, the Lede Formation can be found on top of the Aalter Formation. Both are like the Aalter Formation part of the Zenne Group.
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The formation rests above both an Upper Cretaceous formation called Punta Tocopalma Formation and the Paleozoic granitic basement. It lies below Licancheu Formation to which it has a concordant contact to. The formation has a thickness of 100 to 200 meters. The sedimentary rocks that make up the formation includes a basal conglomerate stratigraphically followed by intercalated sandstone and siltstone with smaller occurrences of conglomerate and coquina.
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The Theodosia Formation is a geologic formation in Missouri. It preserves fossils dating back to the Ordovician period. The Rich Fountain Formation was proposed in 1944 as the equivalent of the lower part of the Jefferson City Formation in a new Jefferson City Group. The Theodosia Formation was proposed as the equivalent of the upper Jefferson City and the lower portion of the overlying Cotter Formation.
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Kues and Giles 2004, pp.98-100 More recently, Lucas et al. have recommended abandoning the names Los Moyos Formation and Wild Cow Formation and using Grey Mesa Formation and Atrasado Formation throughout the Madera Group. The group is underlain at most locations by the Sandia Formation, with its base typically placed at the first massive marine limestone bed above the shales of the Sandia Formation.
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The Mindoro block has two division located in the island of Mindoro: the Northeast Mindoro (see the list of stratigraphic formations in North Palawan Block) and the Southwest Mindoro. In Southwest Mindoro comprises 11 geologic formations namely Mansalay Formation (sandstone, shale, siltstone, minor limestone, conglomerate), Agbahag Conglomerate, Caguray Formation (mudstone, siltstone, shale, sandstone, conglomerate, limestone), Bugtong Formation (limestone, siltstone, sandstone, conglomerate, agglomerate), Tangon Formation (shale, sandstone), Napisian Formation (shale, sandstone, coal beds, conglomerate, limestone), Pocanil Formation (limestone, shale, siltstone, sandstone, conglomerate), Punso Conglomerate (conglomerate, sandstone, mudstone, shale), Famnoan Formation (conglomerate, sandstone, shale, limestone), Balanga Formation (sandstone, limestone; minor mudstone and conglomerate), and Oreng Formation (limestone, conglomerate).
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The Lourinhã Formation () is a fossil rich geological formation in western Portugal, named for the municipality of Lourinhã. The formation is Late Jurassic in age (Kimmeridgian/Tithonian) and is notable for containing a fauna especially similar to that of the Morrison Formation in the United States and a lesser extent to the Tendaguru Formation in Tanzania. There are also similarities to the nearby Villar del Arzobispo Formation. The stratigraphy of the formation and the basin in general is complex and controversial, with the constituent member beds belonging to the formation varying between different authors Besides the fossil bones, Lourinhã Formation is well known for the fossil tracks and fossilized dinosaur eggs.
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Pie chart of the time averaged census for large-bodied dinosaurs from the entire Hell Creek Formation in the study area Triceratops lived during the Late Cretaceous of North America, its fossils coming from the Evanston Formation, Scollard Formation, Laramie Formation, Lance Formation, Denver Formation, and Hell Creek Formation. These fossil formations date back to the time of the Cretaceous–Paleogene extinction event, which has been dated to 66 ± 0.07 million years ago. Many animals and plants have been found in these formations, but mostly from the Lance Formation and Hell Creek Formation. Triceratops was one of the last ceratopsian genera to appear before the end of the Mesozoic.
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The Schlern Formation, also known as Schlern Dolomite, is a limestone, marl and dolomite formation in the Northern Limestone Alps in Austria and Italy.Schlern Formation at Fossilworks.org It preserves fossils dating back to the Middle Triassic period (Anisian to Ladinian). The formation correlates with the Wetterstein Formation of the Northern Limestone Alps.
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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.
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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.
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The Group comprises in places more than a 400m thickness of mudstones (Mydrim Shales Formation), turbidite mudstones (Hendre Shales Formation), limestone (Mydrim Limestone Formation), tuffs and tuffites (Asaphus Formation) and more turbidite mudstones (Felin-wen Formation) laid down in the marine Welsh Basin during the Llanvirnian and Caradocian epochs of the Ordovician period.
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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.
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The San Juan Formation () is a geologic formation in Argentina. The formation comprising limestones, mudstones and marls was deposited in a shallow marine reefal environment and preserves many fossils dating back to the Ordovician period. The formation overlies the La Silla Formation and crops out in the Precordillera of San Juan Province.
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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.
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The Tielt Formation is thick at most. It is subdivided into two members: the Kortemark and Egemkapel Members. The formation lies stratigraphically on top of the Kortrijk Formation (early Ypresian sandy clay and silt). In the northwestern part of Belgium, the Gentbrugge Formation (late Ypresian marine clay and silt) covers the Tielt Formation.
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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.
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The Kadzi Formation is a geological formation in Zimbabwe whose strata date back to the Tithonian stage of the Late Jurassic. The conglomeratic sandstones and silty mudstones of the formation were deposited in an alluvial environment.Kadzi Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation.
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The El Gallo Formation is a geological formation in Mexico whose strata date back to the Late Cretaceous, Campanian epoch, specifically dated to 75.21 ± 0.07 Ma and 74.55 ± 0.09 Ma.El Gallo Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation."El Gallo Formation." Weishampel et al.
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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 .
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The Artemisa Formation is a geologic formation in western Cuba.Artemisa Formation at Fossilworks.org It preserves mainly ammonite fossils dating back to the Late Oxfordian to Tithonian period. The formation is divided into two members; La Zarza and Sumidero Members.
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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.
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The Akaiwa Formation is an Early Cretaceous (Hauterivian-Barremian) geologic formation in central Honshu, Japan.Akaiwa Formation in the Paleobiology Database Indeterminate ornithischian fossils are known from the formation. Fossil ornithopod tracks have been reported from the formation.Weishampel et al.
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Oxaya Formation () is a geological formation in northern Chile made up of ignimbrite sheets. The formation formed about 25 to 19 million years ago in the Late Oligocene and Early Miocene. Oxaya Formation is deformed by the Oxaya anticline.
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The Hekou Formation is a Cretaceous geologic formation in China. Pterosaur fossils have been recovered from the formation. It is a unit of the Guifeng Group and dates to the Maastrichtian. An indeterminate Hadrosaurid is known from the formation.
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The Wordie Creek Formation is a geologic formation in Greenland. It preserves fossils dating back to the Triassic period. The temnospondyl Selenocara is from this formation.
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The Rognacian Formation is a geologic formation in France. It is of Maastrichtian age. The mammal Valentinella is known from the formation, alongside indeterminate dinosaur remains.
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The Burgsandstein Formation is the Bavarian name for the Löwenstein Formation, a geologic formation in south Germany. It preserves fossils dating back to the Triassic period.
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This accumulation stems from three major source rocks known as the Blue Lias Formation with Liassic clays, the Oxford Clay Formation, and the Kimmeridge Clay Formation.
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The Tschermakfjellet Formation is a geological formation in Svalbard, Norway, a subunit of the Kapp Toscana Group. The formation dates to the Late Triassic (early Carnian).
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Location of Coosawhatchie Formation of Florida. The Coosawhatchie Formation is a Miocene geologic formation with an outcrop in North Florida. It is within the Hawthorn Group.
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The Huachihuanhe Formation is a geologic formation in China. It is Early Cretaceous, probably Hauterivian, in age. The Pterosaur Huanhepterus has been recovered from the formation.
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Originally presumed to be Cambrian in age, the formation is now correlated with the Doushantuo formation, with an overlying formation also falling in the Ediacaran period.
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Brown trout and rainbow trout are found in the creek. The main rock formations are the Trimmers Rock Formation and the Catskill Formation–Buddys Run formation.
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The Port Morant Formation is a geologic formation in Jamaica. It preserves fossils.
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The Rocky Bay Formation is a geologic formation in Bermuda. It preserves fossils.
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The Spencer's Point Formation is a geologic formation in Bermuda. It preserves fossils.
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The Discovery Point Formation is a geologic formation in Mexico. It preserves fossils.
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The Cromer Knoll Formation is a geologic formation in England. It preserves fossils.
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The Mammaliferous Crag Formation is a geologic formation in England. It preserves fossils.
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The Weybourne Crag Formation is a geologic formation in England. It preserves fossils.
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Towards the east in the basin, the formation grades into the Centenario Formation.
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The Vigla Formation is an Early Cretaceous geologic formation in Albania and Greece.
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The Patuxent Formation is a Cretaceous geologic formation of the Atlantic coastal plain.
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The Luchak Formation (Russian: Luchak Svita) is an Albian geologic formation in Tajikistan.
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Tunnel Mountain gives its name to the Tunnel Mountain Formation, a geological formation.
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The Penholloway Formation is a geologic formation in South Carolina. It preserves fossils.
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The Socastee Formation is a geologic formation in South Carolina. It preserves fossils.
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The Wando Formation is a geologic formation in South Carolina. It preserves fossils.
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The Ladson Formation is a geologic formation in South Carolina. It preserves fossils.
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The Canepatch Formation is a geologic formation in South Carolina. It preserves fossils.
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The Great Bay de l'Eau Formation is a formation cropping out in Newfoundland.
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The Harbour My God Point Formation is a formation cropping out in Newfoundland.
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Modern aerobatics team in Vic formation The Vic formation remains in use today.
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The Penney Farms Formation is a geologic formation in Florida. It preserves fossils.
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The Long Pine Formation is a geologic formation in Nebraska. It preserves fossils.
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The Crooked Creek Formation is a geologic formation in Kansas. It preserves fossils.
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The St. David Formation is a geologic formation in Arizona. It preserves fossils.
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The Cape Deceit Formation is a geologic formation in Alaska. It preserves fossils.
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The South Bight Formation is a geologic formation in Alaska. It preserves fossils.
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The Saanich Formation is a geologic formation in Washington (state). It preserves fossils.
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The Whidbey Formation is a geologic formation in Washington (state). It preserves fossils.
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The Pigeon Point Formation is a geologic formation in San Mateo County, California.
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The Elk River Formation is a geologic formation in Oregon. It preserves fossils.
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The Port Orford Formation is a geologic formation in Oregon. It preserves fossils.
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The La Habra Formation is a geologic formation in California. It preserves fossils.
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The San Pedro Formation is a geologic formation in California. It preserves fossils.
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The Timm's Point Formation is a geologic formation in California. It preserves fossils.
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The Bluff Creek Formation is a geologic formation in Texas. It preserves fossils.
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The Good Creek Formation is a geologic formation in Texas. It preserves fossils.
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The Rita Blanca Formation is a geologic formation in Texas. It preserves fossils.
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The Yanjiahe Formation is a Cambrian fossiliferous geologic formation found in South China.
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The San Timoteo Formation is a geologic formation in California. It preserves fossils.
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The White Narrows Formation is a geologic formation in Nevada that preserves fossils.
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The Ladd Formation is a Mesozoic geologic formation located in Orange County, California.
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The Assistance Formation was discovered in 1955 by Raymond Thorsteinsson, during Operation Franklin. Although the Trold Fiord Formation and Degerbols Formation were generally recognized as part of the Assistance Formation, Thorsteinsson clarified various terminology problems and cleared any naming discontinuities.
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The Mörnsheim Formation is a geologic formation in Germany. It preserves fossils dating back to the Jurassic period such as the stem-Avialan Alcmonavis. It overlies the older Altmühltal Formation in its northwestern extent, and the Painten Formation to the east.
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Overlies Biloxi Formation. Age is late Pleistocene. Gulfport Formation is limited to a 1- to 3-km-wide discontinuous barrier ridge belt that borders the Gulf mainland shore. Commonly overlies Prairie Formation (alluvium) landward and Biloxi Formation (shelf deposits) near shore.
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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.
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The forth formation was Sydney Crooks and Leroy Sibbles. The fifth formation was Sydney Crook and Jackie Robinson. The six formation was Sydney Crooks, Jackie Robinson and Dennis Walks. The seventh formation was Sydney Crooks, George Dekker and Jackie Robinson.
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Above this are layers of dolomite, and shale followed by limestone. The highest part of the formation is black shale again. Above the formation is the Piyuancun formation consisting of silicious rock. The Lantian formation overlies diamictite from the Cryogenian.
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The formation consists of sandstone, siltstone, and anhydrite. The sandstone is fine to very fine grained and contains scattered large rounded and frosted quartz grains. The formation overlies the Seven Rivers Formation and underlies the Tansill Formation. Its total thickness is .
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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.
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Klonk is a rocky slope by the right bank of Suchomastský brook. It contains two formations of upper Silurian (Kopanina formation, Požáry formation) and one formation of lower Devonian (Lochkov formation named for the nearby 'Lochkov profile'). Kopanina formation is represented by calcareous shales, Požáry formation by gray tabular limestones and bioclastic limestones can be found in Lochkov formation. The boundary beds are intact, without disturbance by tectonic processes, there are no facial changes and the profile is made of one continuous sequence.
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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.
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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.
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The drab-colored lower portion of the Cedar Mountain Formation, overlying the brighter Morrison Formation. The formation occurs between the underlying Morrison Formation and overlying Naturita Formation (sometimes formerly called the Dakota Formation). It is composed of non-marine sediments, that is, sediments deposited in rivers, lakes and on flood plains. Based on various fossils and radiometric dates, the Cedar Mountain Formation was deposited during the last half of the Early Cretaceous Epoch, about 127 - 98 million years ago (mya).
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The Nichkesaisk or Nichkesai Formation is an early Campanian geologic formation in Kyrgyzstan.Nichkesai Formation at Fossilworks.org Fossil dinosaur eggs have been reported from the formation.Weishampel et al.
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In other places the top of the Rupel Formation is a hiatus, on which Neogene formations (such as the Breda Formation or Naaldwijk Formation) can be found.
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The Cape Rawson Formation overcuts the Cape Phillips Formation. It also borders the Canyon Fiord Formation. Underwater rock beds of the fiord merge into the Greely Fiord.
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The Wautubbee Formation is a geologic formation in Mississippi, United States. It preserves fossils dating back to the Paleogene period. The formation is named after Wautubbee, Mississippi.
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Stratigraphy of the Los Angeles Basin incl. Puente Formation The Puente Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
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The formation overlies the Oligocene Period Vasquez Formation, and underlies the Upper Miocene Mint Canyon Formation. North of the Tick Canyon fault, the beds are almost vertical.
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The Cardiel Formation is a Maastrichtian geologic formation of the Austral Basin in Santa Cruz Province, Argentina. The formation comprises sandstones and conglomerates with abundant tuff beds.
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The Boca Roja Formation is a geologic formation located at Huizachal Canyon in Tamaulipas, northeastern Mexico. The formation preserves fossils that were found in rocks dating back to the Cretaceous period. Another dinosaur-bearing formations is the Late Campanian El Gallo Formation. The Boca Roja Formation contains the oldest dinosaur remains found in Mexico.
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The McMurray Formation is equivalent to the lower Mannville Group of Alberta, the Dina Formation of eastern Saskatchewan, the Gething Formation of northwestern Alberta and northeastern British Columbia, and the Ellerslie Formation and Ostracod Beds of central Alberta. McMurray Formation oil sand as seen in drill cores. Arrow indicates a fragment of fossil wood.
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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.
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Notocolossus was discvoered in the Plottier Formation of the Neuquén Group. This formation is about thick and composed of light red claystones and thin bands of pink sandstone. The Plottier Formation can be differentiated from the overlying Portezuelo Formation by the former's higher content of argillite. Tetrapods of the Plottier formation are poorly known.
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The Formation is composed of crystalline and dolomitized limestone (Cooking Lake Formation) in off-reef areas, bituminous shale and argillaceous limestone, detrital limestone (reef fallout), stromatoporoid calcarenite (Duvernay Formation), gray shale, argillaceous limestone, argillaceous dolomite, crystalline dolomite (Ireton Formation). In reef build-ups, it consists of massive limestone and dolomite with porosity (Leduc Formation).
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The Johnson Spring Formation is a geologic formation in California. It preserves fossils dating back to the Ordovician period. Previously described as undifferentiated upper part of Eureka group by Langenheim and others, Pestana formally named the formation in 1960. The Johnson Springs Formation underlies the Barrel Spring Formation and overlies the Ely Springs Dolomite.
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Cather et al. 2002 The formation is informally divided into a lower well-cemented cliff-forming member and an upper poorly cemented member. The formation lies with angular unconformity on the Blackshare Formation. It is distinguished from the coeval Ancha Formation in containing mostly volcanic clasts, while the Ancha Formation is rich in granite clasts.
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The Hoko River Formation is a Late Eocene marine sedimentary geologic formation. The formation is exposed in outcrops along the Strait of Juan de Fuca on the Olympic Peninsula in Washington state, USA. It is known for containing numerous fossils of crabs. It overlies the older Lyre Formation and underlies the younger Makah Formation.
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Laguna Brava Formation (), formerly referred to as Santo Domingo Formation, is a Late Eocene (Tinguirirican in the SALMA classification) sedimentary formation located in the Argentine Northwest.Quebrada de Santa Domingo at Fossilworks.org The formation contains beds with fossil bird tracks described as Gruipeda dominguensis. It was formerly thought that the formation was of Triassic age.
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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.
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The Portezuelo Formation is a geologic formation of Late Cretaceous (Late Turonian to Early Coniacian) age, outcropping in the Mendoza, Río Negro and Neuquén provinces of Argentina.Portezuelo Formation at Fossilworks.org It is the fourth-oldest formation in the Neuquén Group and the older of the two formations in the Río Neuquén Subgroup. Formerly, that subgroup was treated as a formation, and the Portezuelo Formation was known as the Portezuelo Member.
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The Santa Marta Formation is a geologic formation in Antarctica. It, along with the Hanson Formation and the Snow Hill Island Formation, are the only formations yet known on the continent where dinosaur fossils have been found. The formation outcrops on James Ross Island off the coast of the northern tip of the Antarctic Peninsula. In its entirety, the Santa Marta Formation is on average one kilometer thick.
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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.
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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.
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This formation is similar in age to the Lourinhã Formation in Portugal and the Tendaguru Formation in Tanzania. Ischium of an Apatosaurus showing bite marks from a large theropod Apatosaurus was the second most common sauropod in the Morrison Formation ecosystem, after Camarasaurus. Apatosaurus may have been more solitary than other Morrison Formation dinosaurs. Fossils of the genus have only been found in the upper levels of the formation.
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The Candeleros Formation (formerly known as the Candeleros Member of the "Río Limay Formation") is a geologic formation that crops out in the Río Negro, Neuquén, and Mendoza provinces of northern Patagonia, Argentina. It is the oldest formation in the Neuquén Group and belongs to the Rio Limay Subgroup. Formerly that subgroup was treated as a formation, and the Candeleros Formation was known as the Candeleros Member.Sánchez et al.
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The Abrahamskraal Formation corresponds with numerous localities abroad. Currently it is considered to correlate chronostratigraphically with the Rio do Rasto Formation from the Paraná Basin in Brazil, the Madumabisa Mudstone Formation of Zambia, the Ocher and Isheevo faunas of Russia, and to the Dashankou fauna from the Xidagou Formation of China. However, correlative dating between the Xidagou Formation and the Abrahamskraal Formation remains inconsistent and needs further study.
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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.
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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.
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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.
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The La Huérguina Formation (also known as the Calizas de La Huérguina Formation, La Huérguina Limestone Formation or as the Una Formation) is a geological formation in Spain whose strata date back to the Barremian stage of the Early Cretaceous.Martínez et al., 2017 Las Hoyas is a Konservat- Lagerstätte within the formation, located near the city of Cuenca, Spain. The site is mostly known for its exquisitely preserved dinosaurs, especially enantiornithines.
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The Pebbly Arkose Formation is part of the Upper Karoo Group, overlies the Escarpment formation (in the Mid-Zambezi and Limpopo basins) and the Angwa Sandstone Formation (in the Mana Pools and Cabora Bassa Basins) and underlies the Forest Sandstone Formation. The Pebbly Arkose has been correlated to the Elliot Formation of the Great Karroo Basin, South Africa and the Mpandi Formation of the Thuli Basin in Botswana and Zimbabwe.
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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.
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In the upland parts of the watershed of Mahoning Creek, 95 percent of the rock is sedimentary rock, mainly of the Trimmers Rock Formation, the Clinton Group, the Catskill Formation, the Hamilton Group, the Bloomsburg and Mifflintown Formation, the Onondaga and Old Port Formation, and the Wills Creek Formation. The Catskill Formation occurs in a large area in the northeastern part of the watershed and the Trimmers Rock Formation occurs in the rest of the northern part of the watershed and in the southernmost part of the watershed. The Hamilton Group is to the south of the northern area of the Trimmers Rock Formation and to the north of the southern area of the formation. The Onondaga and Old Port Formation occurs south of the Hamilton Group and near Sechler Run, as does the Keyser and Tonoloway Formation.
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The Leda Clay Formation is a geologic formation in New Brunswick. It preserves fossils.
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The James City Formation is a geologic formation in North Carolina. It preserves fossils.
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The Flanner Beach Formation is a geologic formation in North Carolina. It preserves fossils.
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The Silver Bluff Formation is a geologic formation in South Carolina. It preserves fossils.
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The Little Bell Island Formation is a formation cropping out in Bell Island, Newfoundland.
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The Doughball Point Formation is an early Ediacaran volcanic formation cropping out in Newfoundland.
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The Satilla Formation is a geologic formation in Georgia, United States. It preserves fossils.
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The Cape May Formation is a geologic formation in New Jersey. It preserves fossils.
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The Naheola Formation is a geologic formation in Alabama, United States. It preserves fossils.
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The Trempealeau Formation is an Upper Cambrian geologic formation in Wisconsin. It contains graptolites.
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The Blacktail Deer Creek Formation is a geologic formation in Montana. It preserves fossils.
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The Santa Rosa Island Formation is a geologic formation in California. It preserves fossils.
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The Peterson Creek Beds Formation is a geologic formation in Idaho. It preserves fossils.
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The Fort Hancock Formation is a geologic formation in Texas, USA. It preserves fossils.
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13 The formation reaches a thickness of more than in wells perforating the formation.
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The Pebbly Arkose Formation is a Late Triassic geologic formation found in southern Africa.
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Early-Mid Jurassic (170 Ma) On Bornholm, the lower-middle Jurassic succession is composed of the Rønne (Hettangian-Sinemurian), Hasle (Lower-late Pliensbachian), Sorthat and Bagå Formations. The major Pliensbachian–Bathonian coal-bearing Clays and Sands that overlie the Lower Pliensbachian Hasle Formation are distributed between the to the new Sorthat Formation and the Bagå Formation. The Sorthat Formation is the regional equivalent of the Ciechocinek Formation on Baltic Germany and Poland, the Fjerritslev Formation on the Danish Basin, the Rya Formation on Scania. The Sorthat Formation beds where referred originally to the Levka Beds, Sorthat and Bagå beds.
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The Berivotra Formation is a Maastrichtian sedimentary formation of the Mahajanga Basin in Boeny, Madagascar. The claystones of the formation were deposited in a shallow marine environment. The Berivotra Formation overlies the fossil-rich Maevarano Formation, in which more fossils of Beelzebufo, also recovered from the Berivotra Formation, have been found. Many shark and ray teeth were collected by surface prospecting on outcrops of the Berivotra Formation, which is readily distinguished by its yellowish grey to pale olive colour, as opposed to the white and green fluvial sandstones that form the upper of the underlying Maevarano Formation.
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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.
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The Smoky Group is conformably and transgressively followed by the Wapiti Group and rests conformably on the Dunvegan Formation sandstone. The Cardium sandstone and Muskiki shale are replacing the upper parts of the Kaskapau Formation in the south-east of the distribution area. The entire group correlates with the Blackstone Formation, Cardium Formation and Wapiabi Formation of the Alberta Group in the southern foothills. The equivalent stratigraphic sequence in central Alberta consists of the Lea Park Formation and the upper Colorado Group, in north-eastern Alberta it correlates with Labiche Formation, and with the Kotaneelee Formation in the Liard River area.
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The Brothers Peak Formation is a geologic formation in British Columbia. It preserves fossils dating back to the Cretaceous period. An unnamed pachycephalosaurin is known from the formation.
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The Robbedale Formation is the middle formation of the Nyker Group. It dates to about 145 million years ago. No vertebrate fossils have been recovered from the formation.
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The Thomas Fork Formation is an Early Cretaceous (Albian) geologic formation in Wyoming.Thomas Fork Formation at Fossilworks.org Fossil dinosaur eggs have been reported from the formation.Weishampel et al.
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Ironstone from the Breathitt Formation along I-64 The Breathitt Formation is a geologic formation in Ohio and Kentucky. It preserves fossils dating back to the Pennsylvanian period.
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The Rybushka Formation is a Campanian geologic formation in the Penza and Saratov Oblasts of European Russia. Pterosaur, fish and invertebrate fossils have been recovered from the formation.
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La Herradura Formation () is a sedimentary formation of Lower Cretaceous age exposed near Lima in Peru. The sediments of the formation reflect a marine near-shore depositional environment.
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The Smackover Formation is a geologic formation in Arkansas. It preserves fossils dating back to the Jurassic period. The Smackover Formation consists of oolitic limestones and silty limestones.
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They comprise mainly the Jeckenbach Subformation, the Odernheim Subformation, the Disibodenberg Formation, the Oberkirchen Formation and the Thallichtenberg Formation, along with deposits in the dales of Quaternary origin.
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The Lueders Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period. Helicoconchus elongatus, a microconchid from the Lueders Formation of Texas.
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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.
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The Javkhlant Formation is a geological formation in Mongolia whose strata date back to the Late Cretaceous possibly Santonian to Campanian. Ceratopsian, ornithopod and theropod remains been found in the formation. A prominent fossilized therizinosauroid nesting site is also known from the formation.
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The Liangtoutang Formation, also referred to as the Laijia Formation is a geological formation located in Zhejiang, China. Its strata date back to the Albian to Cenomanian stages of the Cretaceous period.Liangtoutang Formation at Fossilworks.org The lithology primarily consists of red sandstone.
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Another revision abandoned the Millingport Formation name, and gave formation status to the Yadkin Formation and the Floyd Church Formation. The McManus terminology has been used by later papers, but had not been adopted by the USGS or the North Carolina Geological Survey.
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This formation is not fossiliferous. The Mangahewa Formation (45-34 Ma) consists mostly of sandstone, siltstone, mudstone and bituminous coal. This formation has good reservoir sandstones. The McKee Formation (38-33 Ma) is easily recognizable by its coarse-grained, well sorted sandstones.
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The forth formation song the sang call "Give it to me". The fifth formation song the sang call" Give me little loving". The six formation song the sang call " Having a part". The seventh formation song the sang call" Never see come see".
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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.
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The Barun Goyot Formation (also known as Baruungoyot Formation or West Goyot Formation) is a geological formation dating to the Late Cretaceous Period. It is located within and is widely represented in the Gobi Desert Basin, in the Ömnögovi Province of Mongolia.
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The formation regionally overlies the Martinez Formation or the Chico Formation. Google Books: "The stratigraphic and faunal relations of the Martinez formation to the Chico and Tejon of Southern California", Clarence A. Waring; Stanford University Dept. of Geology; Jun 4, 2011 . accessed 1.16.2016.
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Formations within the Trinity Group include the Hammett Formation, Cow Creek Formation, Hensel Formation, and Lower and Upper Glen Rose Formation. The Hammett and the lower portion of the Upper Glen Rose act as confining units (or aquitard) for the Middle Trinity Aquifer.
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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.
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The Sebayashi Formation is a Barremian to Albian geologic formation in Japan.Sebayashi Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation, although only one species, Siamosaurus, has been referred to a specific genus.Weishampel et al.
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The Rutland Formation is a geologic formation in England. It preserves fossils dating back to the late Bajocian to Bathonian stages in the Jurassic period, about 169 million years ago. It is the lateral equivalent of the Sharp's Hill Formation and the Fuller's Earth Formation. The "Rutland Dinosaur" specimen of Cetiosaurus is known from the formation.
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The Painten Formation is a geologic formation in Germany. It preserves fossils dating back to the Jurassic period. It is roughly contemporary with the Altmühltal Formation (which includes the true Solnhofen limestone), as they both underlay the Mörnsheim Formation. The 12th specimen, or "Schamhaupten specimen", of Archaeopteryx was uncovered in the lower portion of the Painten Formation.
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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.
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This formation is similar in age to the Lourinha Formation in Portugal and the Tendaguru Formation in Tanzania. Saurophaganax and D. hallorum, New Mexico Museum of Natural History and Science The Morrison Formation records an environment and time dominated by gigantic sauropod dinosaurs.Foster, J. (2007). "Appendix." Jurassic West: The Dinosaurs of the Morrison Formation and Their World.
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The Nanxiong Formation (also known as Yuanpu Formation) is a Late Cretaceous geologic formation in Guangdong Province. Dinosaur remains are among the fossils that have been recovered from the formation. It consists of continental siliciclastic red beds, with fauna which similar to that of the Nemegt Formation. It has been dated about 66.7 ± 0.3 million years ago.
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The Bajada Colorada Formation is a geologic formation of the southern Neuquén Province in the Neuquén Basin of northern Patagonia, Argentina. The formation belongs to the Mendoza Group and is Late Berriasian to Early Valanginian in age. The formation is renowned for preserving fossil remains of Bajadasaurus pronuspinax, a genus of dicraeosaurid dinosaurs named after the formation.
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The Forest Sandstone is the penultimate formation in the Upper Karoo Group of the Karoo Supergroup, lying above the Pebbly Arkose Formation and below the Batoka Formation. In the Thuli Basin it is sometimes referred to as the Samkoto Formation. The Forest Sandstone has been correlated to the Clarens Formation of the Great Karoo Basin in South Africa.
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The La Amarga Formation is a geologic formation with outcrops in the Argentine provinces of Río Negro, Neuquén, and Mendoza. It is the oldest Cretaceous terrestrial formation in the Neuquén Basin. The type locality is La Amarga Arroyo and China Muerta Hill.Musacchio, 1970 The La Amarga Formation unconformably overlies the marine Agrio Formation of the Mendoza Group.
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Casibari Rock Formation The Casibari Rock Formation is located on the island of Aruba, towards the center of the island north of the Hooiberg. The formation is a tourist attraction, similar to the Ayo Rock Formations. The rocks in the formation are composed of quartz diorite. Evidence of prehistoric rock drawings is still visible at the formation.
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The Anacleto Formation is a geologic formation with outcrops in the Argentine Patagonian provinces of Mendoza, Río Negro, and Neuquén. It is the youngest formation within the Neuquén Group and belongs to the Río Colorado Subgroup. Formerly that subgroup was treated as a formation, and the Anacleto Formation was known as the Anacleto Member.Sánchez et al.
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The Oosterhout Formation is a geological formation in the subsoil in the central and south area of the Netherlands. The formation was formed during the Pliocene (5.333 million to 2.58 million years BP). The formation was named after the city of Oosterhout in the province of North Brabant. The Oosterhout Formation mainly consists of sand, often containing glauconite.
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Underlying the Camarillas Formation is the also highly fossiliferous El Castellar Formation and the Artoles Formation rests on top of the formation.Herrero Gascón & Pérez Lorente, 2009, p.68 The Camarillas Formation has provided a rich fossil assemblage of fossils of mammals, snakes, turtles, crocodylians, fish, dinosaurs and their eggs. Various tracksites of families of dinosaurs exist in the formation.
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The Guabirotuba Formation is one of few formations in Brazil providing Paleogene mammal faunas, between the older Tiupampan Maria Farinha Formation of the Parnaíba Basin and the Itaboraian Itaboraí Formation of the Itaboraí Basin in Rio de Janeiro State, and the younger Tinguirirican Entre-Córregos Formation of the Aiuruoca Basin and the Deseadan Tremembé Formation of the Taubaté Basin.
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In Austria the Wetterstein Dolomite correlates with the Alberg Formation of the Linz Dolomites, the Wetterstein kalk/dolomite with the lower part of the Hallstatt Formation of the Northern Limestone Alps and with the Schlern Dolomite, or Schlern Formation, in the Southern Limestone Alps. In Hungary, the formation is time-equivalent with the Berva Formation of the Bükk, the Bódvavölgyi Ophiolite, Szentjánoshegy and Derenk Formations of the Aggtelek- Rudabánya range and the Csanádapáca Formation of the Békés Zone. In the Dinarides, the formation is time-equivalent with the Grivska Formation of Bosnia. The Kopaonik Formation in its eponymous mountain range in Serbia is considered a distal, more deep water equivalent of the Wetterstein platform sediments.
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In the southern part of its outcrop, the former 'Lower Magnesian Limestone' is now referred to as the 'Cadeby Formation'. Overlying this it is the 'Edlington Formation' (formerly the 'Middle Permian Marl') and above this the Brotherton Formation (formerly the 'Upper Magnesian Limestone'). In the north, the Lower Magnesian Limestone is now referred to as the Raisby Formation and the middle Magnesian Limestone as the Ford Formation. The Upper Magnesian Limestone is replaced by the Roker Formation (in its lower part) and the Seaham Formation (in its upper part) with the Edlington formation between them, though in the Durham area this last is replaced by the Fordham Evaporite Formation and the Seaham Residue.
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The Mahabharata and the Manu Samhita list by name and formation many vyūhas ('battle formations'), some were small in size and others, gigantic, such as: # Ardha- chandra-vyūha ('crescent moon formation'), # Chakra-vyūha('circular formation') a large formation was devised by the Kauravas in which Abhimanyu, son of Arjuna, was trapped never to emerge alive. # Garbha-vyūha ('womb-shaped formation'), # Makara-vyuha ('crocodile formation'), adopted by Bhishma in the Kurukshetra War # Mandala vyuha ('galaxy formation'), # Oormi vyuha ('ocean formation'), # Shakata-vyūha ('cart-shaped formation'), # Sarvatobhadra-vyūha ('grand formation'), # Suchi-vyūha ('needle-shaped formation'), # Shyena-vyuha (also called Garuda Vyuh) ('eagle formation'). At the commencement of the Kurukshetra War which lasted for eighteen days, the Pandavas, being aware that Bhishma stood protected by the "makara vyuha" and was ready for battle, they had adopted the invincible "sheyna vyuha" with Bhima leading stationed at the mouth and Arjuna stationed at the neck of the bird-shaped vyuha, and Yudhishthira patrolling the rear. # Vajra-vyūha was large a three-fold formation of warriors.
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The Phantom Creek Formation is a geologic formation of the Maude Group in British Columbia. It preserves fossils dating back to the Early Jurassic period.Phantom Creek Formation at Fossilworks.
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The Ville Formation is a geologic formation in Germany. It preserves fossils dating back to the Neogene period. Lignite of the Ville Formation is excavated in North Rhine-Westphalia.
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The Bukachacha Formation is a geological formation in Zabaykalsky Krai, Russia dating to the Early Cretaceous (Barremian). The tuffaceous mudstones of the formation were deposited in a lacustrine environment.
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The Zhaoying Formation is a Coniacian geologic formation in Henan Province, China.Zhaoying village, Xixia county at Fossilworks.org Fossil dinosaur eggs of Ovaloolithus sp. have been reported from the formation.
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The Sigou Formation is a Late Cretaceous geologic formation in China. Fossil dinosaur eggs have been reported from the formation,Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
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Equivalent formations include the Waterfall Formation (Culpeper Basin; Virginia, Maryland), Towaco Formation (Newark Basin; New Jersey), White Oaks Formation (Pomperaug Basin, Connecticut), and Turner Falls Sandstone (Deerfield Basin, Massachusetts).
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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.
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The Hasle Formation is a geologic formation on the island on Bornholm, Denmark. It is of early to late Pliensbachian age. Vertebrate fossils have been uncovered from this formation.
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Location of the Torreya Formation in Florida in red. The Torreya Formation is a Miocene geologic formation with an outcrop in North Florida. It is within the Hawthorn Group.
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The Liberty Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period. Carbonate hardground from the Liberty Formation of southern Ohio.
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355 Stratigraphically, the formation is time equivalent with the Portachuelo Formation around Quetame.Morzadec et al., 2015, p.331 The Onondaga Formation of New York is considered time equivalent too.
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Fossils are rare in the Morrissey Formation, but the Mist Mountain Formation includes plant fossils and dinosaur trackways, and the Elk Formation includes plant fossils, trace fossils and bivalves.
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F-35s with green formation lights turned on A formation light is a type of thin film electroluminescent light that assists aircraft flying in formation in low visibility environments.
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The Creede Formation is a geologic formation in Colorado. It preserves fossils dating back to the Paleogene period, particularly many well-preserved fossil plants from Oligocene strata.The Creede Formation.
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The Cerro Colorado Formation is a geological formation to the south of General Carrera Lake in Patagonia. Sedimentary rocks of the Cerro Colorado Formation deposited under shallow marine conditions.
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It can be correlated with the Besa River Formation in north-eastern British Columbia. In the southeastern Rocky Mountains, part of the formation passes laterally into the Pekisko Formation.
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The crocodyliform Llanosuchus, described in 2016 from the formation, was named after Los Llanos Formation.
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The Clinton Formation is a geologic formation in Ohio. It dates back to the Silurian.
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The Kerbel Formation is a geologic formation in Ohio. It dates back to the Cambrian.
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The Kerbal Formation is a geologic formation in Ohio. It dates back to the Cambrian.
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The Dayton Formation is a geologic formation in Ohio. It dates back to the Silurian.
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The Anastasia Formation is a geologic formation deposited in Florida during the Late Pleistocene epoch.
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The Heart's Desire Formation is a formation of 'olive-green' sandstones cropping out in Newfoundland.
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The Mooring Cove Formation is a formation of volcanic rock exposed in outcrop in Newfoundland.
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The Sannine Formation also called the Sannine Limestone is a Cretaceous geologic formation in Lebanon.
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V formation of migrating birds Formation flying is the flight of multiple objects in coordination.
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The South African Army Signal Formation is a formation/corps of the South African Army.
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The Newark Canyon Formation is a Mesozoic geologic formation in Nevada in the United States.
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The Ipubi Formation is the middle geological formation of the Santana Group, the middle part of the Araripe Group, in the Araripe Basin of northeastern Brazil. The formation is dated to the Aptian to Albian stages of the Early Cretaceous, unconformably overlying the Crato Formation and unconformably overlain by the Romualdo Formation, formerly known as the Romualdo Member of the Santana Formation. The averaging thick Ipubi Formation comprises shales and sandstones in the lower section and evaporites in the upper part of the formation, deposited in a transgressive to highstand lacustrine environment in the Araripe rift basin. The Ipubi Formation contains little fossils, apart from an indeterminate Pelomedusoides turtle, but contains high levels of TOC and the formation is identified as a potential target for shale gas development.
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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.
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Caleta Coloso Formation or Coloso Formation is the lowermost formation of the Way Group. The breccias and conglomerates of Coloso Formation are the deposits of former alluvial fans. In particular, Coloso Formation represents the parts of the alluvial fan closer to the apex. Minas Conglomerate is the name of a group of conglomerate beds in upper Coloso Formation that contains what is known as Minas Conglomerate, a conglomerate rich in clasts with copper mineralization.
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The Huincul Formation is a geologic formation of Late Cretaceous (Early Cenomanian to Late Turonian) age of the Neuquén Basin that outcrops in the Mendoza, Río Negro and Neuquén Provinces of northern Patagonia, Argentina.Huincul Formation at Fossilworks.org It is the second formation in the Río Limay Subgroup, the oldest subgroup within the Neuquén Group. Formerly that subgroup was treated as a formation, and the Huincul Formation was known as the Huincul Member.
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The Tunjuelo Formation, Río Tunjuelo or Río Tunjuelito Formation (, Q1tu, Qpt, Qcc) is a geological formation of the Bogotá savanna, Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists mainly of conglomerates with intercalating shales and sandstones. The Tunjuelo Formation dates to the Quaternary period; covering the complete Pleistocene epoch, and has a maximum thickness of . It is a formation of the lacustrine and fluvio-glacial sediments of Lake Humboldt.
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Stratigraphic column The Mata Amarilla Formation is a fossiliferous formation of the Austral Basin in southern Patagonia, Argentina. The formation consists of sediments deposited during the Middle Cenomanian, dated to 96.94 to 95.52 Ma. The middle section of the formation was previously considered to be the Pari Aike Formation. The Mata Amarilla Formation has provided many fossil vertebrates, among which dinosaurs, fish and turtles, as well as fossil insects, flora and molluscs.
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The Trimmers Rock Formation largely occurs in the northern part of the Delaware Run watershed. The Hamilton Group occurs in the central part of the watershed. The Onondaga/Old Port Formation occurs south of the Hamilton Group and the Keyser/Tonoloway Formation Undivided occurs south of the Onondaga/Old Port Formation. The Wills Creek Formation, the Bloomsburg/Mifflinburg Formation Undivided, and the Clinton Group occupy a small area in the southwestern part of the watershed.
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The Quebrada del Barro Formation is a geological formation of the Marayes-El Carrizal Basin in San Juan Province, Argentina. This formation is the most fossiliferous portion of the Triassic Marayes Group, and is also the youngest unit of the group, overlying the El Carrizal Formation. An unconformity at the top of the Quebrada del Barro Formation separates it from the Cretaceous-age Los Riscos Formation of the El Gigante Group.Gardini et al.
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The Winona Formation was originally described as a member of the Tallahatta Formation or as a member of the Lisbon Formation, both of which are members of the Claiborne Group. It was upgraded to formation status and is considered a separate formation from both by the Mississippi Dept. of Environmental Quality Office of Geology. The Winona formation is a medium to fine grain poorly sorted sand that contains silt, clay, and fossils.
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The formation was first described by V.C. Kelley and Caswell Silver in 1952 and assigned to the now-obsolete Magdalena Group. Bachman and Myers criticized its definition in 1975, but it is accepted by Kues and Giles. In 2016, Lucas et al. recommended that the local names Green Canyon Group, Arrey Formation, Apodaca Formation, Mud Springs Group, Fra Cristobal Formation, and Chuchillo Negro Formation be abandoned in favor of the Red House Formation.
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Evaporites such as Anhydrites are also more present in the Leduc Formation, however they are also present in the Swan Hills Formation. The Swan Hills formation also holds some differences to the Leduc Formation. The porosity types in both formations differ, and the types of fossilized biota also differ. Vuggy, moldic, intercrystalline, and fracture porosities are present in the Leduc Formation whereas the primary porosities in the Swan Hills Formation are interparticle and interfossil.
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Mugser Run is located entirely within the ridge and valley physiographic province. The most significant rock formations in the Mugser Run watershed are the Trimmers Rock Formation and the Catskill Formation–Buddys Run, which both occur in 35% of the watershed. The Catskill Formation–Irish Valley formation is the next-most prevalent formation, occurring in 20% of the watershed. The Hamilton Group and the Spechty Kopf Formation occupy 6% and 4% of the watershed, respectively.
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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.
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Geological Survey of Canada, Bulletin 35. The Cairn Formation is stratigraphically equivalent to the Leduc Formation, which is a major oil-producing formation in central Alberta. Like the Leduc Formation, it was deposited in reef environments and is highly fossiliferous.Shields, M.J. and Geldsetzer, H.H.J. 1992.
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Correlation of the Coldwater Beds with other Early Eocene formations in northern North America The formation has been correlated with the Allenby Formation and Kamloops Group of British Columbia, the Margaret Formation of Ellesmere Island, Nunavut, the Chickaloon Formation of Alaska,West et al.
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The Buildwas Formation (Bw, BUI), formerly called Wenlock Shale and Buildwas Beds, is a geologic formation in Shropshire, England. It preserves fossils dating back to the Silurian period. The formation is the defining formation of the Sheinwoodian age of the Wenlock epoch, the Middle Silurian.
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The Corona Formation is a geologic formation of the Carnian Alps at the border of Austria and Italy. It preserves fossils dating back to the Gzhelian stage of the Late Carboniferous period.Corona Formation at Fossilworks.org The thick formation comprises deposited in a deltaic environment.
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This formation is similar in age to the Solnhofen Limestone Formation in Germany and the Tendaguru Formation in Tanzania. In 1877 this formation became the center of the Bone Wars, a fossil- collecting rivalry between early paleontologists Othniel Charles Marsh and Edward Drinker Cope.
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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.
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The Açu Formation is an Early Cretaceous (Albian) geologic formation of the Potiguar Basin in Ceará, northeastern Brazil. The formation comprises coarse- grained sandstones deposited in a fluvio-deltaic environment. The Açu Formation, belonging to the Apodi Group, has provided fossils of an indeterminate rebbachisaurid.
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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.
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This formation is similar in age to the Solnhofen Limestone Formation in Germany and the Tendaguru Formation in Tanzania. In 1877 this formation became the center of the Bone Wars, a fossil- collecting rivalry between early paleontologists Othniel Charles Marsh and Edward Drinker Cope.
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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).
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The Runningwater Formation is a geologic formation in Nebraska. It preserves fossils dating back to the Hemingfordian of the Early Miocene of the Neogene period. The sandstones and conglomerates of the formation were deposited in a fluvial environment. The formation has provided many fossil mammals.
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The Moorefield Formation, or Moorefield Shale, is a geologic formation in northern Arkansas and eastern Oklahoma that dates to the Meramecian Series of the middle Mississippian. In Arkansas, this formation is generally recognized to have one member, the Ruddell Shale, in the upper Moorefield Formation.
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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.
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The base flexbone formation. The flexbone formation is a variation of the wishbone formation. In this formation, one back (the fullback) lines up behind the quarterback. Both ends are often split wide as wide receivers, though some variations include one or two tight ends.
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The Lotena Formation is a geologic formation dated from the Late Callovian to Early Oxfordian in the Neuquén Basin in Mendoza Province, Argentina.Lotena Formation at Fossilworks.org The formation, first defined by Weaver in 1931 and named after Cerro Lotena,Zanettini et al., 2010, p.
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The Watrous Formation fills in the Paleozoic erosional surface, resting disconformably on older strata. It is equivalent to Amaranth Formation in Manitoba and represents a northern extension of the Spearfish Formation in North Dakota. The Upper Watrous can be correlated with the Nesson Formation.
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The Cerro Plataforma Formation is a sedimentary formation cropping out at Cerro Plataforma south of Puelo Lake in the Andes of Argentine Patagonia. The formation contains marine fossils of bivalves, gastropods and echinoderms. To the southwest in Chile lies the geologically equivalent La Cascada Formation.
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The Chari Formation is a Jurassic (Callovian to Oxfordian) geologic formation in Gujarat, western India.Chari Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.Weishampel, et al. (2004).
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The Jinju Formation is an Early Cretaceous geologic formation in South Korea.[ Jinju Formation] in the Paleobiology Database Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.Weishampel et al., 2004, pp.
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The Hungry Hollow Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period. Remains of the Devonian polychaete Arkonips are known from this formation.
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The Attawapiskat Formation encompasses a large portion of the Hudson Bay Basin. The formation remains visible from northern Ontario. A small portion of the formation does extend onto Nunavut territory.
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Olmos Formation stratigraphic column in Texas The Olmos Formation is a geologic formation in Mexico. It preserves fossils of plants, hadrosaurs, ceratopsians and tyrannosaurs dating back to the Cretaceous period.
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The Guasasa Formation is a geologic formation in Cuba. It is Tithonian to Early Valanginian in age and contains fossils of ammonites.Guasasa Formation at Fossilworks.org It primarily consists of limestone.
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The Alcobaça Formation, previously known as the Guimarota Formation, is a geological formation in Portugal. It dates back to the Oxfordian stage of the Late Jurassic.Weishampel et al., 2004, pp.
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The Veldhoven Formation (; abbreviation: VE) is a geologic formation in the subsurface of the Netherlands. The formation consists of an alternation of marine clay and sand from the Oligocene epoch.
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The Eastend Formation reaches a thickness of near the town of Eastend. It is eroded to the north and east, where the Frenchman Formation lies directly over the Bearpaw Formation.
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The Portland Formation is a geological formation in Connecticut and Massachusetts in the northeastern United States.Portland Formation - USGS It dates back to the Early Jurassic period.Weishampel et al., 2004, pp.
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The Alachua Formation is a Miocene geologic formation in Florida. The claystones, sandstones and phosphorites of the formation preserve many fossils of mammals, birds, reptiles and fish, among others megalodon.
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The Elephant Canyon Formation is the basal Permian geologic formation of the Cutler Group overlying an unconformity on the Pennsylvanian Honaker Trail Formation in the Paradox Basin of southern Utah.
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The Neslen Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. It has been exploited for coal. The Kaiparowits Formation is closely associated.
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The Colalura Sandstone is a Middle Jurassic geologic formation of the Perth Basin of Western Australia. The formation overlies the Moonyoonooka Sandstone. Dinosaur remains have been recovered from the formation.
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Subnormal pressures may also be induced through depletion of formation fluids. If Formation Pressure < Hydrostatic pressure, then it is under pressure. If Formation Pressure > Hydrostatic pressure then it is overpressured.
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The Gamoneda Formation is an Emsian geologic formation of southern Bolivia. The approximately thick formation comprises marine micaceous grey siltstones and burrowed grey sandstones and shales.USNM loc. 20018 at Fossilworks.
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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.
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The Oliní Group conformablyAcosta & Ulloa, 2001a, p.60 overlies the Loma Gorda Formation of the Güagüaquí Group and is overlain by the Cimarrona Formation in the VMM, the Córdoba Formation in the Guaduas Syncline and the La Tabla Formation near Tocaima and in Huila and Tolima. The age has been estimated on the basis of ammonites to be ranging from Coniacian to Campanian. Stratigraphically, the lower part of the formation is time equivalent with the upper part of the Chipaque Formation and the Conejo Formation,Montoya & Reyes, 2005, p.
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The Tiaojishan Formation is a geological formation in Hebei and Liaoning, People's Republic of China, dating to the middle-late Jurassic period (Bathonian-Oxfordian stages). It is known for its fossil plants, and is made up mainly of pyroclastic rock interspersed with basic volcanic and sedimentary rocks. Previously, the Tiaojishan Formation was grouped together with the underlying Haifanggou Formation (also known as the Jiulongshan Formation) as a single "Lanqi Formation." Most researchers now agree that the Daohugou Bed, of formerly controversial dating, is a part of the Tiaojishan formation.
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Willamette was at the center of the steaming formation and was the "guide ship" that the rest of the ships in the formation were using to maintain their relative position in the formation. Jason was instructed to take station in the center rear of the formation. Jason was approaching the formation from the southeast, and for some reason mistakenly decided to cut through the steaming formation as opposed to going around it and approaching her station from the rear. Reportedly several ships in the formation maneuvered to avoid a collision.
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The formation consists of highly fossiliferous nodular argillaceous limestone at its base and in its upper portion, with shale dominating the middle section and interbedding with the limestone towards the top of the formation. Total thickness is . The formation conformably overlies the Smeltertown Formation and grades into the overlying Mesilla Valley Formation. The formation is interpreted as an outer shelf formation that later experienced shallowing and deposition of limestone in an inner shelf environment subject to storm influence, then deepened again to deposit shale with some storm layers.
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Other rock formations found in Juniata County include the Keyser through Mifflintown Formation undivided, the Keyser and Tonoloway Formation undivided, the Onondaga and Old Port Formations undivided, the Reedsville Formation, the Trimmers Rock Formation, the Wills Creek Formation, and the Wills Creek Formation through Mifflintown Formation undivided. Four of the rock formations found in Juniata County come from the Ordovician Period, seven come from the Silurian Period, and seven come from the Devonian Period. There are seven soil associations in Juniata County. One of these is the Hazelton- Laidig-Buchanan Association.
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In the Northern Fells of the Lake District, the Skiddaw Group comprises five formations of which the earliest/lowest is the Bitter Beck Formation. This is succeeded by the Watch Hill Formation, then the Hope Beck, Loweswater and Kirk Stile Formations in ascending order. The inlier at Cross Fell comprises just the Catterpallot Formation, a wacke sandstone which is the rough equivalent of the Watch Hill Formation, itself a wacke sandstone as is the Loweswater Formation. Within the Central Fells are the Buttermere Formation and the overlying Tarn Moor Formation.
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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.
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The Biskopåsen Formation is a geologic formation in Innladnet. Norway. It preserves microfossils of Neoproterozoic age.
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The Ojo Alamo Formation is a geologic formation in New Mexico spanning the Mesozoic/Cenozoic boundary.
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The Drowning Creek Formation is a geologic formation in Ohio. It dates back to the Silurian.
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The Oregon Formation is a geologic formation in Kentucky. It dates back to the Ordovician period .
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The Cumberland Formation is a geologic formation in Kentucky. It dates back to the Ordovician period .
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Green River Formation, a similarly fossiliferous, but older freshwater Eocene formation in the Colorado Rocky Mountains.
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In most places the early Eocene Dongen Formation is found on top of the Landen Formation.
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The Mifflin Formation is a fossil bearing geologic formation in Illinois dating to the Ordovician period.
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The Tlayúa Formation is an Early Cretaceous (late Albian) geological formation near Tepexi de Rodríguez, Puebla.
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The WDSF World Formation Latin Championship is the main annual formation International Latin dancesport championship worldwide.
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The Shooting Iron Formation is a geologic formation in Wyoming. It preserves fossils of the Pliocene.
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A group of Cambrian metasediments containing the Church Point formation and the intercalated High Head Formation.
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The El Rito Formation is a geologic formation in New Mexico dating to the Eocene epoch.
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The Zhongming Formation is a palaeontological formation located in China. It dates to the Devonian period.
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The Crevasse Canyon Formation is a coal-bearing Cretaceous geologic formation in New Mexico and Arizona.
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Diamond Tail Formation near Los Cerros, New Mexico The Diamond Tail Formation consists of a lower member composed of sandstone and conglomeratic sandstone, a middle member of variegated mudstone, and an upper sandstone member. The formation crops out over a limited area between Sandia Crest and the southern Sangre de Cristo Mountains. The formation likely correlates with the lower San Jose Formation.
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In the Oligocene the Wuzhishan Formation or Wuchihshan Formation (五指山組) formed thick beds of sandstone. The total thickness is 0.9 to 1.2 km. The Yeliu Group from the Miocene is fine grained sandstone, with some beds of shale, basaltic tuff and three seams of coal. Possibly including Wushan Formation, Piling Shale, Peiliao Formation, Talu shale, Shihti Formation, Kuanyiongshan sandstone.
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The Xiaowa Formation is a Carnian-age geological formation found in southern China. It is a sequence of limestone and marls from the Carnian stage of the Triassic. Its lower section was previously known as the Wayao Formation or Wayao Member of the Falang Formation. Crinoids and marine reptiles are abundant in the Xiaowa Formation, forming a lagerstätte known as the Guanling biota.
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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.
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These largely consist of the Hamilton Group, the Onondaga Formation, and the Old Port Formation Undivided. The remaining 65% of the rocks are sandstone and shale, mainly belonging to the Trimmers Rock Formation and the Wills Creek Formation. The Trimmers Rock Formation occurs in the entire northern part of the watershed. The Hamilton Group occurs in the central part of the watershed.
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The Bluestone Formation is a geologic formation in West Virginia. It is the youngest unit of the Upper Mississippian-age Mauch Chunk Group. A pronounced unconformity separates the upper boundary of the Bluestone Formation from sandstones of the overlying Pennsylvanian-age Pocahontas Formation. Two formally named subunits of the Bluestone Formation, the Bramwell and Pride Shale Members, are quite fossiliferous.
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Conformable contact of overlying Tuscarora Formation (white rock, left) with underlying Juniata Formation (red rock, right) at the Narrows along U.S. 30 in Bedford County, Pennsylvania. There is one named member of the formation: Castanea, occurring at the top, leaving the Lower and Middle Tuscarora Formation at the bottom. This formation has been called the "White Medina Sandstone" in West Virginia.
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The Middleton Formation does not contain as many fossils as its western correlate, the Teekloof Formation. This is particularly true of vertebrate fossils. The end-Guadalupian extinction event caused a drop in species diversity in the Middleton Formation compared to the Abrahamskraal Formation. However, vertebrate fossils yielded from the Middleton Formation are the same as those associated with the Pristerognathus Assemblage Zone.
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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.
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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.
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The Hudspeth Formation is a Cretaceous sedimentary rock formation, found in Oregon of the United States of America. The formation dates to the Albian age of the Early Cretaceous period. During the Albian much of this formation was submerged beneath shallow seas resulting in the preservation of many marine fossils. Pterosaur, dinosaur and marine fossils have been recovered from the formation.
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Abanico Formation () is a thick sedimentary formation exposed in the Andes of Central Chile. The formation has been deposited in a timespan from the Eocene to the Miocene. Abanico Formation's contact with the overlying Miocene Farellones Formation has been the subject of differing interpretations since the 1960s.Godoy, 2012 A small part of the formation crops out in the Mendoza Province of western Argentina.
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The sediments of the Dinosaur Park Formation are similar to those of the underlying Oldman Formation and they were originally included in that formation. The two formations are separated by a regional disconformity, however, and are distinguished by petrographic and sedimentologic differences. In addition, articulated skeletal remains and bonebeds are rare in the Oldman Formation but abundant in the Dinosaur Park Formation.
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Plagioolithus is only known from a single formation, the Kitadani Formation in Fukui, Japan. The date of this formation has generated controversy, but multiple lines of evidence support a Barremian age: zircon fission track dating places a correlated formation (the Bessandani Formation) at 127 million years old. Also, the presence of Nippononaia ryosekiana and the types of charophytes suggest a Barremian age.
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Map of the Panama Basin with the Alajuela Formation in light blue The Alajuela Formation, in older literature also referred to as Alhajuela Formation,Alhajuela Formation at Fossilworks.org was first described as a member of the Caimito Formation by USGS geologist W.P. Woodring in 1957.Woodring, 1957, p.12 The member was named after Lake Alajuela, where the type section was described.
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The Wolfville Formation is a Triassic geologic formation of Nova Scotia. The formation is of Carnian to early Norian age. Fossils of small land vertebrates have been found in the formation, including procolophonid and early archosauromorph reptiles and cynodonts. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
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The Bonnet Plume Formation is a Mesozoic geologic formation in Canada's Yukon territory. The thickness of the formation is known to be at least 1500 metres. The formation is composed of sedimentary rocks including conglomerate, sandstone, siltstone, mudstone and coal. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
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The Alberta Group is conformably overlain by the Belly River Formation and rests unconformably on deposits of the Blairmore Group and Luscar Group in the Canadian Rockies foothills and on the volcanic Crowsnest Formation in southern Alberta's west. The group is equivalent with the Colorado Group and Lea Park Formation in southern Alberta's prairies, and with the Smoky Group in northern Alberta and north-east British Columbia. The Wapiabi Formation is equivalent to the upper Colorado Group shales and Lea Park Formation in central Alberta and the sum of Puskwaskau Formation, Bad Heart Formation and Muskiki Formation in the west part of northern Alberta.
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A Dual Formation is characterized as being a formation growing on another formation. In the Palace of the Gods, there are calcite stalactites growing on the ends of iron oxide formations.
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The Khodzhaosmansk or Khodzhaosman Formation is an Aptian to Albian geologic formation in Kyrgyzstan.Khodzhaosman Formation at Fossilworks.org Dinosaur remains and fossil dinosaur eggs have been reported from the formation.Weishampel et al.
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588Nielsen et al., 2003, p.590 The formation also correlates with the Fjerritslev Formation of the Danish Basin,Frandsen & Surlyk, 2003, p.543 and the Gassum Formation of the Øresund Basin.
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The Avon Park Formation on the crest of the Ocala Platform. The Avon Park Formation is a Middle Eocene geologic formation and is the oldest exposed sediments in Florida, United States.
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The Blue Mountain Formation (previously the Whitby Formation) is a geological formation of Upper Ordovician age (Maysvillian Stage), which outcrops in Ontario, Canada from Nottawasaga Bay southeastward to the Toronto area.
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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.
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The upper Permian Cuipingshan Formation has thin beds of sandstone and siltstone and coal. The Dalong Formation has mudstone with limestone lenses in the west. The Changxing formation is primarily limestone.
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Strontium ratios also suggest the Alajuela Formation overlaps in time with the richly fossiliferous Late Miocene Gatún Formation to the north, with which the Alajuela Formation shares many invertebrate faunal elements.
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The Iwaki Formation is a palaeontological formation located in Iwaki, Fukushima, Japan. It dates to Eocene and early Oligocene periods. The formation contains three families of Artiodactyla–Anthracotheriidae, Entelodontidae, and Hypertragulidae.
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Blanco et al., 2014, p.3 While in Benabarre, the Tremp Formation overlies the Arén Formation, in Fontllonga the formation rests on top of the Les Serres Limestone.López Martínez et al.
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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.
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The Lunde Formation is a geologic formation in Norway. The formation was known to preserve fossils of Plateosaurus sp. in the Norwegian offshore (Snorre Field well 34/4-9S), dating back to the Rhaetian period. The formation comprises dry floodplain; paleosol/pedogenic, concretionary, brown, red, calcareous mudstones.
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These strata have been subdivided into the Galeros Formation (lower) and the Kwagunt Formation (upper) using the base of the prominent, thick sandstone unit.Ford, TD, and CM Dehler (2003) Grand Canyon Supergroup: Nankoweap Formation, Chuar Group, and Sixtymile Formation. in: Beus, S.S., Morales, M., eds., pp.
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The Ritoque Formation (, Kiri, Kirt) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists of grey siltstones, limestones and fine sandstones intercalated. The formation dates to the Early Cretaceous period; Early Hauterivian epoch and varies in thickness between .
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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.
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This formation has a thickness between 100m to 500m.The upper formation consist of Clay, calcareous clay and grey sandstones. The lower formation has whitish grey carbonate and quartz sandstones. The Nam Con Son Formation has a generally lithology of yellow claystone which are interbedded with siltstone.
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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.
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The Williamsburg Formation is a geologic formation in South Carolina consisting of sandy shale and clayey sand.Williamsburg Formation at Fossilworks.org It is a member of the Black Mingo Group and overlays the Rhems Formation. It preserves fossils, among others coprolites, dating back to the Paleogene period.
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The Mohakatino Formation (~17-13 Ma) is composed of silty mudstones, with andesitic, volcaniclastic sandstones. The Mt Messenger Formation (11-9 Ma), also known as the Waikiekie Formation, is a massive sandstone unit. The Urenui Formation (9-5 Ma) is a silty mudstone that contains occasional conglomerates.
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The Upnor Formation is a geological formation found in the London Basin of southeastern England.Upnor Formation at Fossilworks.org It is of Thanetian (Upper Paleocene) age. It lies unconformably on the Thanet Formation for most of its outcrop, but in the west it lies directly on Chalk Group.
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The Lishan formation contains sandstone and some acid volcanic particles. The Zhangping formation is mostly purple red siltstone. The Changling Formation contains more volcano derived particles. Nanyuan Formation is the main volcanic strata with up to 8 km thick of intermediate and acid volcanic lava, and tuff.
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Nacientes del Teno Formation () is a geological formation that crops out near the uppermost reaches of Teno River, in the Andes of central Chile. The formation is similar to Nacientes del Biobío Formation further south.Suárez, M. and Emparan, C. (1997). Hoja Curacautín, Carta geológica de Chile.
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Ribodon is an extinct genus of manatee that lived around South America (Ituzaingó Formation, then described as Entrerriana Formation, Argentina, Solimões Formation, Brazil and Urumaco Formation, Urumaco, Venezuela) during the Tortonian (Mayoan to Huayquerian in the South American land mammal ages). The type species is R. limbatus.
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In other parts of the Neuquén Basin, the formation overlies the Early Miocene Cerro Bandera Formation or the Late Cretaceous Angostura Colorada Formation.Geologic Map, 2007, p.112Prez & Massaferro, 2013, p.223 In the Cañadón Asfalto Basin, the Collón Curá Formation overlies the Ñirihuau Formation,Echaurren, 2017, p.
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The formation lies discontinuously on the Espinaso Formation and interfingers with the overlying Blackshare Formation, with the boundary placed at the highest thickly bedded tabular sandstone below the lenticular conglomerate of the Blackshare Formation. The Tanos Formation dips 20 to 32 degrees to the northeast. It is interpreted as sediments deposited in a closed basin during early rifting along the Rio Grande rift, and is the oldest exposed Santa Fe Group formation near the Albuquerque Basin.
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The topmost of the Stretton Group, the Portway Formation, consists of braided fluvial deposits with marine incursions. The underlying Lightspout Formation is interpreted as a fluvio-deltaic environment, this is succeeded by a similar facies in the Synalds Formation. Turbidite facies are prevalent in the Burway Formation and the deep marine basinal environments continue toward the base of the supergroup within the Stretton Shale Formation. The Ragleth Tuff Formation completes the Stretton Group and the supergroup sequence.
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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).
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Laventille Formation limestone is associated with these rocks and contains a gypsum layer. Flysch, dark shale and quartzite deposited during the Cretaceous, followed by Naparina Hill Formation argillite. During the Paleocene, the Lizard Springs Formation calcareous shale and the Chaudiere Formation non-calcareous shale both deposited. The Navet Formation with marl and calcareous shales formed during the Eocene and in the Central Range, uplift has raise the Point-a-Pierre Formation turbidite flysch of the same age.
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Stratigraphy of the Iharkút locality The Csehbánya Formation is a geological formation in the Transdanubian Mountains of Veszprém County, Hungary. The formation dates to the Late Santonian (around 85 million years ago) of the Late Cretaceous. It represents a floodplain environment as opposed to the swampy lacustrine environment of the simultaneous Ajka Coal Formation, though there is complete overlap in terms of fauna. It underlies the Jákó Marl formation, and laterally transitions to the Ajka Coal Formation.
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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.
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Zia Formation outcrops in the southwestern Jemez Mountains The Zia Formation is a very soft quartz sandstone. The type section rests on about of laminated greenish clay beds that in turn rest on the Galisteo Formation. The upper contact is with the Arroyo Ojito Formation, with the Cochiti Formation, or with Miocene volcanic rocks of the Jemez volcanic field. The formation is divided (in ascending stratigraphic order) into the Piedra Parada Member, the Chamisa Mesa Member.
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2005 The Salitral Formation is at the same stratigraphic position as the Bluewater Creek Formation and the Blue Mesa Member of the Petrified Forest Formation in west-central New Mexico, and the Monitor Butte Formation and Blue Mesa Member of the Petrified Forest Formation in southeastern Utah. However, it is not a synonym for any of these formations, being much thinner and having its own distinctive lithology. The formation is notable for the presence of septarian concretions.Lucas et al.
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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.
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The rocks include limestones, dolomitic sandstone, siltstone, and mudstone. It is divided into two formations, the Portland Stone Formation (or 'Portland Limestone Formation') and the underlying Portland Sandstone Formation (or 'Portland Sand Formation'). The Portland Stone Formation is further divided into a lower Portland Chert Member and an upper Portland Freestone Member, both of which are limestones. The Portland Sand Formation is made up largely of dolomites but includes siltstones and fine-grained sandstones in its lower parts.
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The Cenozoic Era formation can regionally overlie the Vaqueros Formation, and can regionally underlie the Martinez Formation or Tejon Formation. The Chico Formation is exposed in the Southern California Coast Ranges, western San Joaquin Valley, north of Mount Diablo, and in the Chico area of the northeastern Sacramento Valley. Google Books: "The stratigraphic and faunal relations of the Martinez formation to the Chico and Tejon of Southern California", Clarence A. Waring; Stanford University Dept. of Geology; Jun 4, 2011 .
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The Exter Formation is the only formation of the Upper Keuper or Rhätsandstein, and is a geologic formation in Germany. It preserves fossils dating back to the Rhaetian of the Triassic period.
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The Dovžan Gorge Formation () is a geologic formation in Slovenia.Fossilworks: Dolzanova Soteska (Permian of Slovenia). It preserves fossils dating back to the Permian period. The formation is named after the Dovžan Gorge.
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The Xitun Formation is a palaeontological formation which named after the Xitun, a location in South China. This formation it includes many remains of fossilized fish of Early Devonian period (Late Lochkovian).
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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.
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The River Bend formation is a limestone formation characterized by mollusc molds, barnacle hashes, bivalves, and sandy limestone layers. Fossils indicate that the formation was deposited during the middle to late Oligocene.
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The Whitewater Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period. Fossiliferous slab of the Whitewater Formation (Upper Ordovician) exposed near Richmond, Indiana.
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All known dictyoolithids are known from the Cretaceous of China; they have been found in Henan, Zhejiang, and Shandong, from the Liuyemiao Formation, the Zhaoying Formation, Chichengshan Formation, and the Wangshi Group.
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The Robbedale Formation is a geological formation dating to the Berriasian stage of the Early Cretaceous, about 142 million years ago.Robbedale Formation at Fossilworks.org It is on the island of Bornholm, Denmark.
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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.
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It is inferred that the Guichón Formation was deposited in warm, semi-arid climatic conditions. The formation has been correlated to the Puerto Yeruá Formation of northwestern Argentina.Soto et al., 2009, p.
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The Yulongsi Formation is a palaeontological geological formation located at Qujing, in Yunnan Province of Southern China.
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The Point Pleasant Formation is a geologic formation in Ohio. It dates back to the Middle Ordovician.
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The Maturin Ponds Formation is a formation cropping out in Newfoundland, comprising red arkose sandstones and siltstones.
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The Xidagou Formation is a Middle Permian-age geologic formation in the Qilian Mountains of Gansu, China.
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Stratigraphically below the Aalter Formation are deposits of the Gentbrugge Formation (late Ypresian marine clays and sands).
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Erosion has also revealed outcroppings of the Eramosa Formation, a Silurian geological formation known to bear fossils.
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The WDSF European Formation Latin Championship is the main annual formation International Latin dancesport championship in Europe.
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The Auburn Formation is a geologic formation in Kansas. It preserves fossils from the upper Carboniferous Period.
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The Holitna Formation is a geologic formation in Alaska. It preserves fossils dating back to the Triassic.
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The Lytle Formation or Lytle Sandstone is a geologic formation found in Wyoming, Colorado, and New Mexico.
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The Camp Rice Formation is a geologic formation in Texas. It preserves fossils of the Pliocene-Pleistocene.
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The Nagura Formation is a palaeontological formation located in Japan. It dates to the Middle Miocene period.
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The Xiushan Formation is a palaeontological formation located in China. It dates to the Lower Silurian period.
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The Yamaga Formation is a palaeontological formation located in Japan. It dates to the Upper Oligocene period.
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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.
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In the Cross Fell inlier, the basal Dufton Shale Formation is followed by the Swindale Limestone Formation and the Ashgill Formation. In the Keisley area, the uppermost part of the Dent Group is represented by the highly fossiliferous Keisley Limestone Formation, exposed in the core of an anticline.
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An Akidolestes cifellii fossil was found in the Yixian Formation. Yixian formation is one composition of Jehol Group. The Yixian Formation is dated to the Berriasian (145–140 mya). The stratum of the Yixian Formation is correlated with other localities including the Jingangshan Locality, Jianshangou Locality, and Lujiatun Locality.
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Clasts of epidotized lava are common in the conglomerates of Lombriz Formation. The clasts of Lombriz Formation are made up of andesite and diorite. The climate at the time of deposition of the Lombriz Formation was arid as evidenced by the evaporites that are part of the formation.
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The Chaochuan Formation is a geologic formation in China (Zhejiang Province). It is made up of purplish red calcarenaceous, muddy siltstone, fine-grained sandstone with interbeds of tuffaceous sandstone and conglomerate or rhyolitic tuff.(2009) Chaochuan Formation. In: Zhang S. (eds) Geological Formation Names of China (1866–2000).
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The Marichuela Formation (, N1m) is a geological formation of the Bogotá savanna, Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists of coarse to very coarse conglomerates. The Marichuela Formation dates to the Neogene period; Late Miocene to Early Pliocene epochs, and has a maximum thickness of .
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The formation consists of coal with carbonaceous shale, brown to buff sandstone, and conglomerate (usually at the base). It is about thick at the type locality. The formation unconformably overlies the Vermejo Formation, and unconformably (?) underlies the Poison Canyon Formation. It is of late Cretaceous to Paleocene age.
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The Group represents an assemblage of both volcanic rocks - lavas, tuffs, breccias - and volcaniclastic sediments - mudstones, siltstones sandstones and conglomerates. It comprises (in descending order i.e. youngest first) the Yoke House Formation, the Carneddol Rhyolitic Tuff Formation, the Foel Ddu Formation and, at its base, the Penmaen Formation.
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The Siamaná Formation (, E3s) is a fossiliferous geological formation of the Cocinetas Basin in the northernmost department of La Guajira. The formation consists of conglomerates and limestones. The Siamaná Formation dates to the Paleogene period; Middle to Late Oligocene epoch, corresponding to the Deseadan in the SALMA classification.
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Lake level cyclicity in the Santana Group The Crato Formation has often historically been considered the lowest member of the Santana Formation (or, alternatively, the Araripina Formation) of the Araripe Group,Scherer et al., 2013, p.28 later redefined as the Romualdo Formation of the Santana Group.Assine, 1992, p.
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The Subashi Formation () is a Late Cretaceous (Campanian to Maastrichtian)Xi et al., 2018 formation from the Xinjiang Autonomous Region of western China.Subashi Formation at Fossilworks.org Initially described by Dong Zhiming in 1977, the formation contains remains of Tarbosaurus which were initially described as a separate taxon Shanshanosaurus huoyanshanensis.
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The Linton Formation is a geologic formation in Indiana. It is the lower formation in the Carbondale Group, and includes six named members. It preserves fossils dating back to the Carboniferous period. The Linton Formation was first named on a United States Geological Survey coal investigations map in 1950.
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The Jama Formation is a Pliocene to Early Pleistocene (Montehermosan to Ensenadan in the SALMA classification) geologic formation in Ecuador. The claystones and sandstones were deposited in an coastal environment. The age of the Jama Formation is constrained by 40Ar/39Ar dating of tephra beds.Jama Formation at Fossilworks.
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The Aruma Group marks two successive transgression-regression events in the late Cretaceous, with the Laffan Formation argillaceous limestone and the Halul Formation calcareous shale and lime-mudstone from the first event and the marl-shale-mudstone Fiqa Formation and greywacke-dolomite Simsima Formation from the second event.
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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.
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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.
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Some of the tactics include using a 4-4-2 formation (signifying 4 defenders, 4 midfielders and 2 strikers) which is often regarded as the standard formation, a formation of 5-4-1 which is more defensive and a 4-3-3 formation which allows for more attacking play.
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The formation was first named by Lucas and Hunt in 1989 for beds formerly assigned to the informal lower shale member of the Chinle Formation in the Tucumcari Basin. The formation definition has been criticized as a junior synonym for the Tecovas Formation across the border in Texas.
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The Marília Formation is a geological formation in Goiás, Minas Gerais, and São Paulo states of southeastern Brazil. Its strata date back to the Maastrichtian, and are part of the Bauru Group.Marília Formation at Fossilworks.org Dinosaur remains are among the fossils that have been recovered from the formation.
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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 .
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The Bouldnor Formation is a geological formation in the Hampshire Basin of southern England. It is the youngest formation of the Solent Group and was deposited during the uppermost Eocene and lower Oligocene.
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The entire Grosmont is equivalent to the lower Twin Falls Formation (Alexandra Member) and part of the Hay River Formation in the Northwest Territories. The Grosmont Formation is part of the Woodbend Group.
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The Neckars Formation is a Pleistocene geologic formation in Germany. In the Sackdillinger Cave, it preserves fossils of the frogs Rana temporaria and Bufo sp. and the bear Ursus sackdillingensis.Neckars Formation at Fossilworks.
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The Garschella Formation is an Early Aptian to Early Cenomanian geologic formation in the Alps of Austria, France, Germany and Switzerland.Garschella Formation at Strati.ch It preserves fossils dating back to the Cretaceous period.
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The Xishancun Formation is a geological formation located at Qujing, Yunnan, South China. Xishancun Formation has remains of petalichthyid and galeaspid fish and it represents the Early Devonian period (Early Lochkovian) of China.
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The Tanners Creek Formation is a geologic formation in Indiana. It preserves fossils dating back to the Ordovician period. The formation takes its name from Tanners Creek, a tributary to the Ohio River.
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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.
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The Bald Eagle Formation occurs in small parts of the western and northwestern areas of the watershed. The Juniata Formation occurs in the same areas as the Bald Eagle Formation, as well as part of the northern part of the watershed. However, it takes up more area than the Bald Eagle Formation. The Reedsville Formation also occurs in the western and northwestern parts of the watershed.
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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.
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Paleogeographic evolution with Barremian-Aptian (C) Los Adobes Formation, the lower unit in the Chubut Group was first described in 1970 by Tasch and Volkheimer. The formation underlies the Cerro Barcino Formation and unconformably overlies the Late Jurassic Cañadón Calcáreo Formation. The formation crops out in the southern Cañadón Asfalto Basin, south of the North Patagonian Massif until the Meseta de Canquel.Figari et al.
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Following his expedition, Ostrom became the first to describe and name the animal, calling it Tenontosaurus, a slight variation in spelling of Brown's informal name. Since 1970, many more Tenontosaurus specimens have been reported, both from the Cloverly and other geological formations, including the Antlers Formation in Oklahoma, Paluxy Formation of Texas, Wayan Formation of Idaho, Cedar Mountain Formation of Utah, and Arundel Formation of Maryland.
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There are also flood plains along the creek. Near its mouth, it cuts through Montour Ridge, and a basalt-containing section of the Catskill Formation extends to the creek's banks in Hemlock Township. Other rock formations along the banks include the Clinton Formation, the Selena Formation, the Lower Helderburg Formation, and the Hamilton Formation. There is a terminal moraine, which crosses the creek near Benton.
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The Elisabeth Bay Formation, alternatively spelled as Elizabeth Bay Formation, is an Early Miocene (Aquitanian to Burdigalian, around 21 Ma) geologic formation in the Sperrgebiet, ǁKaras Region of southwestern Namibia, overlying the Blaubok Conglomerate.Dauteuil et al., 2018, p.6 The freshwater green and red siltstones, sandstones, intercalations of conglomerates and claystones of the formation were deposited in a fluvial environment,Elisabeth Bay Formation at Fossilworks.
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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.
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The Iren Dabasu Formation (also known as Erlian Formation) is a Late Cretaceous (Cenomanian) geologic formation in the Iren Nor region of Inner Mongolia. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation. The formation was first described and defined by Henry Fairfield Osborn in 1922 and it is located in the Iren Nor region of China.
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The Middleton Formation is the eastern correlate of the Teekloof Formation. Both these formations overlie the Abrahamskraal Formation. The upper Middleton Formation correlates with eastern exposures of the uppermost Pristerognathus Assemblage Zone, and is late Middle Permian (Guadalupian) in age. Current thought posits that the eruption of the Emeishan Large Igneous Province caused the middle Permian (end-Guadalupian) extinction event, during which the Middleton Formation rocks formed.
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The Lohan Cura Formation is a geologic formation with outcrops in the Argentine provinces of Río Negro, Neuquén, and Mendoza. It is the second oldest Cretaceous terrestrial formation in the Neuquén Basin. The Lohan Cura Formation unconformably overlies the terrestrial La Amarga Formation. In some places it also overlies the older marine Agrio and Bajada Colorada Formations of the Mendoza Group through the same Middle Miranican unconformity.
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The Intercaldera Sequence is divided into, in ascending order, the Scoullar Mountain formation, Little Mount Pleasant formation, Seelys formation, and McDougall Brook Granite formation. In addition, there are felsic dykes and one mafic dyke that intrude the Scoullar Mountain and Little Mount Pleasant formations, respectively. The first sequence in the order is the Scoullar Mountain formation. The layer is characterized by sedimentary breccia and interbedded andesitic lava.
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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.
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The Llewellyn Formation contains more coal than any other formation in the Nescopeck Creek watershed. This formation is thick and is composed of brownish-gray sandstone, siltstone, and shale. Buck Mountain, Mammoth Mountain, and Gamma Mountain are all carved out of the Llewellyn Formation and contain coal seams. The formation was once extensive but has been worn down by erosion over millions of years.
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The Rich Fountain Formation is a geologic formation in Missouri. It preserves fossils dating back to the Ordovician period. The Rich Fountain was proposed in 1944 as the equivalent of the lower part of the Jefferson City Formation in a new Jefferson City Group. The Theodosia Formation was proposed as the equivalent of the upper Jefferson City and the lower portion of the overlying Cotter Formation.
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King County Geologic Cross Section King County Geologic Map The Tukwila Formation is a geological formation is King county, Washington within the Puget Group. It is named after Tukwila area, which is close to the formation. The formation consists of various fossils of marine origin. The Tukwila formation is mainly composed of andesitic to dacitic volcanic sandstone, siltstone, shale, tuff-breccia, tuff, lahar, and carbonaceous shales.
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The Straight Cliffs Formation overlies the Cenomanian- Turonian Tropic Shale Formation and underlies the Campanian Wahweap Formation. It preserves fluvial and marginal marine strata from the Kaiparowits Basin of the Cretaceous Western Interior Seaway. The formation is primarily composed of sandstone and has lesser amounts of siltstones, mudstones, coals, and conglomerates. It is the partial lateral equivalent of the Mancos Shale formation further east.
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Tight folds in schist of Antietam Formation The Antietam Formation or Antietam Sandstone is a geologic formation in Pennsylvania, Maryland and West Virginia.Antietam Formation in West Virginia, USGSAntietam Formation in Pennsylvania, USGSMaryland Geological Survey, Volume 10, Johns Hopkins Press, 1918 p. 200 It is largely quartz sandstone with some quartzite and quartz schist. It preserves Skolithos trace fossils dating back to the Cambrian Period.
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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.
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The Haoling Formation is a Mesozoic geologic formation in the Ruyang Basin of Henan, Province, central China. Dinosaur remains are among the fossils that have been recovered from the formation. The Haoling Formation was originally treated as part of the Mangchuan Formation and considered to be of Paleocene age before being recognized as Mesozoic in age.Bureau of Geology and Mineral Resources of Henan Province. 1989.
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The Los Colorados Formation is a sedimentary rock formation of the Ischigualasto-Villa Unión Basin, found in the provinces of San Juan and La Rioja in Argentina. The formation dates back to the Norian age of the Late Triassic. The up to thick formation comprises sandstones, siltstones, mudstones and conglomerates with gypsum layers deposited in a fluvial to lacustrine environment. The formation is the uppermost stratigraphic unit of the Agua de la Peña Group, overlying the Lagerstätte of the Ischigualasto Formation.
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Referred teeth from the San Juan Basin Richardoestesia-like teeth have been found in many Late Cretaceous geological formations, including the Horseshoe Canyon Formation, the Scollard Formation, Hell Creek Formation, Ferris Formation, and the Lance Formation (dated to about 66 million years ago). Similar teeth have been referred to this genus from as early as the Barremian age (Cedar Mountain Formation, 125 million years ago).Kirkland, Lucas and Estep, (1998). "Cretaceous dinosaurs of the Colorado Plateau." in Lucas, Kirkland and Estep (eds.).
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Location of Tendaguru in Tanzania The Tendaguru Formation, or Tendaguru Beds are a highly fossiliferous formation and Lagerstätte in southeastern Tanzania. The formation represents the oldest sedimentary unit of the Mandawa Basin, overlying Neoproterozoic basement, separating by a long hiatus and unconformity. The formation reaches a total sedimentary thickness of more than . The formation ranges in age from the late Middle Jurassic to the early Early Cretaceous, Oxfordian to Hauterivian stages, with the base of the formation possibly extending into the Callovian.
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Formations have been added, removed, and renamed several times since the Ablemarle Group was first proposed. The first three members were, from oldest to youngest, the Tillery Formation, the McManus Formation, and the Yadkin Greywacke. The McManus Formation name was abandoned, and the Cid Formation was proposed with two members: the Flat Swamp member and an unnamed mudstone member. Parts of the McManus Formation became the Millingport Formation with two members: the Yadkin Member (formerly the Yadkin Greywacke) and the Floyd Church member.
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It is generally a balanced formation, and there are backs on both sides of the tailback, offering better pass protection. As a result, it was considered a much better passing formation than running, as the premiere running formation was the single wing. That said, it was regarded as a good formation for trap plays. The formation was used extensively by Fielding Yost's Michigan Wolverines in their early history, and was the base formation for the Benny Friedman led New York Giants in 1931.
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The Kandreho Formation is an Early Jurassic (middle or late Toarcian) geological formation of the Mahajanga Basin of Madagascar. The marly limestones of the formation were deposited in a subtidal lagoonal environment. The formation overlies the Bouleiceras and Spiriferina beds of the early Toarcian and has been correlated to the Marrat Formation of Saudi Arabia. Fossils of the marine crocodylian Andrianavoay (originally classed as a species of Steneosaurus) as well as bivalves and the ammonite Nejdia have been found in the formation.
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The sandstones within the Kitadani Formation are light gray and green and range in clast size from fine to coarse. The type section of the Kitadani Formation occurs along the Nakanomatadani branch of the Takinami River:ja:滝波川 near the city of Katsuyama, where it is approximately 100 m (~328 feet) in thickness. The Kitadani Formation conformably overlies the Akaiwa Formation and is unconformably overlain by the Omichidani Formation. The Kitadani Formation has had varying nomenclature throughout the history of its study.
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Late Triassic (220 Ma) Extent of the formation in the Ischigualasto-Villa Unión Basin Los Colorados Formation is a unit with an approximate thickness of of the Agua de la Peña Group in the Ischigualasto-Villa Unión Basin, where it is exposed in the Ischigualasto Provincial Park, a World Heritage site in Argentina. The formation gradually overlies the Ischigualasto Formation and is unconformably overlain by the Cretaceous Cerro Rajado Formation. The formation comprises red-colored, fine- to medium-grain–size sandstones together with siltstones and ancillary floodplain mudstones with early calcisol development. The formation was deposited in a fluvial to lacustrine environment.
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The Boulder Creek Formation is part of the Fort St. John Group. Originally described as a member of the Commotion Formation, the Boulder Creek was elevated to formational status along with the other members of the Commotion by D.F. Stott in 1982, who proposed that the term 'Commotion Formation' be abandoned. The Boulder Creek Formation conformably overlies the marine shales of the Hulcross Formation, and is conformably overlain by the marine shales of the Hasler Formation. It is equivalent to the Cadotte Member, and possibly the Paddy Member, of the Peace River Formation of the Peace River plains.
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The Missão Velha Formation is an early Aptian geologic formation in northeastern Brazil's Araripe Basin where the states of Pernambuco, Piauí and Ceará come together. The formation is the middle stratigraphic unit of the Vale do Carirí Group, overlying the Brejo Santo Formation and overlain by the Abaiara Formation. The formation comprises whitish fine-to-medium quartzose arenites, with subrounded to rounded grains, deposited in an alluvial fan environment during the syn-rift phase of the Araripe Basin. The Missão Velha Formation has provided macrofossils of various genera of fish and reptiles as snakes, crocodylomorphs and turtles.
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The Woodbend Group is conformably overlain by the Winterburn Group and conformably overlays the Beaverhill Lake Group. It is transgressive in the Peace River Arch and Tathlina uplift. Newer deposits rest on the Woodbend group upon an erosional surface in eastern Alberta, south-central Saskatchewan and Manitoba. It is equivalent to the Birdbear Formation and Duperow Formation in northern Montana, southern Saskatchewan and southwestern Manitoba, as well as parts of the Fort Simpson Formation and Muskwa Formation of northeastern British Columbia and southern Yukon, while it corresponds to the Tathlina Formation, Twin Falls Formation and Hay River Formation in the Northwest Territories.
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The Chilhowee Group is a sedimentary body composed of early Cambrian siliciclastic sedimentary rocks which crop out along the eastern margin of the Blue Ridge province in Alabama, Maryland, Tennessee, North Carolina, Virginia, and West Virginia. They represent a rift to passive margin sequence, with mostly coarse, feldspathic sandstones and conglomerates in the lower member and shales and phyllite in the upper members. The Chilhowee Group contains four formations; the Loudoun Formation, Weverton Formation, Harpers Formation and Antietam Formation. Another name for the Harpers formations is the Hampton formation, and the Antietam Formation is also known as the Erwin Formation.
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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.
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The Ischigualasto Formation is a Late Triassic fossiliferous formation and Lagerstätte in the Ischigualasto-Villa Unión Basin of the southwestern La Rioja Province and northeastern San Juan Province in northwestern Argentina. The formation dates to the Carnian age and ranges between 231.7 and 225 Ma, based on ash bed dating. The up to thick formation is part of the Agua de la Peña Group, overlies Los Rastros Formation and is overlain by Los Colorados Formation. The formation is subdivided into four members, from old to young; La Peña, Cancha de Bochas, Valle de la Luna and Quebrada de la Sal.
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The angular unconformity between the Deadwood Formation and the underlying Precambrian metamorphic rocks near Rapid City, South Dakota.At the type locality in the Black Hills of South Dakota and in many other areas, the Deadwood Formation rests unconformably on Precambrian metamorphic rocks that were exposed to a long period of erosion prior to the deposition of the formation. In western Montana, western Saskatchewan and Alberta it overlies the Middle Cambrian rocks of the Earlie Formation or the Pika Formation. In the Williston Basin it is overlain by the Winnipeg Formation in the center and by the Red River Formation near the margins.
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Zeller 1965 Clemons (1991) divided the formation differently, into the Hitt Canyon, Jose, McKelligon, and Padre Members.Clemons 1991 In 1964, R.H. Flowers proposed promoting the El Paso Formation to group rank and recommended several divisions into formations, based largely on biostratigraphy, such as the Big Hatchet Formation, the Cooks Formation, the Florida Mountain Formation, the Scenic Drive Formation, or the Victorio Hills Formation.Flowers 1964 However, this has not been widely accepted,Hayes 1972 and Greg H. Mack rejected both the promotion of the El Paso Formation to group rank and the designation of biostratigraphic zones within the El Paso as formations.
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Primary oil well control is the process which maintains a hydrostatic pressure in the wellbore greater than the pressure of the fluids in the formation being drilled, but less than formation fracture pressure. It uses the mud weight to provide sufficient pressure to prevent an influx of formation fluid into the wellbore. If hydrostatic pressure is less than formation pressure, then formation fluids will enter the wellbore. If the hydrostatic pressure of the fluid in the wellbore exceeds the fracture pressure of the formation, then the fluid in the well could be lost into the formation.
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The Chañares Formation is a geologic formation of the Ischigualasto-Villa Unión Basin, located in La Rioja Provence, Argentina. The claystones and tuffs of the formation date to the Carnian stage of the Late Triassic and were deposited in a fluvial to lacustrine environment. The formation represents the onset of the first syn-rift phase in the Triassic rift basin and is the lowermost stratigraphic unit of the Agua de la Peña Group, unconformably overlying the Tarjados Formation of the Paganzo Group. The Chañares Formation is overlain by the Ischichuca Formation and both formations have a combined maximum thickness of .
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The Mural Formation is a geologic formation in Alberta. It preserves fossils dating back to the Cambrian period.
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The Etherington Formation is a geologic formation in Alberta. It preserves fossils dating back to the Carboniferous period.
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The Brazeau Formation is a geologic formation in Alberta. It preserves fossils dating back to the Cretaceous period.
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The Westgate Formation is a geologic formation in Alberta. It preserves fossils dating back to the Cretaceous period.
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The Nordegg Formation is a geologic formation in Alberta. It preserves fossils dating back to the Jurassic period.
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The Norquay Formation is a geologic formation in Alberta. It preserves fossils dating back to the Permian period.
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The Inwood Formation is a geologic formation in Manitoba. It preserves fossils dating back to the Silurian period.
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The Christopher Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Cretaceous period.
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The Weatherall Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Devonian period.
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The Jaeger Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Jurassic period.
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The Wynniatt Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Ediacaran period.
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The M'Clintock Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Ordovician period.
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The Ayles Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Ordovician period.
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The Bailarge Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Ordovician period.
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The Pavy Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Paleogene period.
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The Degerböls Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Permian period.
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The Feilden Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Permian period.
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The Raanes Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Permian period.
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The Tanquary Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Permian period.
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The Nansen Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Permian period.
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The Douro Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Silurian period.
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The Imina Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Silurian period.
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The Leopold Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Silurian period.
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The Marvin Formation is a geologic formation in Nunavut. It preserves fossils dating back to the Silurian period.
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The Fosters Point Formation is a Cambrian limestone geologic formation in Nova Scotia and Newfoundland. It preserves fossils.
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The Sextant Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period.
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The Bobcaygeon Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Farr Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Oxford Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Lindsay Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Manitoulin Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
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The Ottawa Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Lowville Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Meaford Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Pamelia Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
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The Attawapiskat Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
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The Williamsville Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
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The DeCew Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
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The Gasport Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
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The Honorat Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Vaureal Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Lorraine Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Macasty Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Mictaw Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Mingan Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Pontgravé Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Romaine Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Simard Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Laforce Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Mann Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Merrimack Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Cabano Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Sources Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Thornloe Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Val Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Chicotte Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Jupiter Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Clemville Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Weir Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Gascons Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Becscie Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
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The Levis Formation is a geologic formation in Quebec. It preserves fossils dating back to the Cambrian period.
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The Dalhousie Formation is a geologic formation in Quebec. It preserves fossils dating back to the Devonian period.
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The Escuminac Formation is a geologic formation in Quebec. It preserves fossils dating back to the Devonian period.
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The Malbaie Formation is a geologic formation in Quebec. It preserves fossils dating back to the Devonian period.
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The Roncelles Formation is a geologic formation in Quebec. It preserves fossils dating back to the Devonian period.
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The Aylmer Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Beauharnois Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Beekmantown Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Laval Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
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The Pochote Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Soledad Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Yucunama Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Zapotitlan Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Alisitos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Nogal Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cabonera Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cárdenas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Chuta Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cipiapa Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Clansayes Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Coahuila Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cumburindio Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cúpido Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Cutzamala Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Difunta Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Tanque Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Encino Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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5Gatún Formation at Fossilworks.org It preserves many fossils, among others, megalodon teeth have been found in the formation.
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The Buelna Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cambrian period.
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The Represo Formation is a geologic formation in Mexico. It preserves fossils dating back to the Carboniferous period.
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The Venada Formation is a geologic formation in Mexico. It preserves fossils dating back to the Carboniferous period.
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The Ocozocoautla Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Guacamaya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Monos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Olinala Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Patlanoaya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Plomosas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Tuzancoa Formation is a geologic formation in Mexico. It preserves fossils dating back to the Permian period.
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The Huizachal Formation is a geologic formation in Mexico. It preserves fossils dating back to the Triassic period.
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The Carbonera Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Indidura Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.
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The Clemente Formation is a geologic formation in Mexico. It preserves fossils dating back to the Ediacaran period.
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The Gamuza Formation is a geologic formation in Mexico. It preserves fossils dating back to the Ediacaran period.
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The Papalote Formation is a geologic formation in Mexico. It preserves fossils dating back to the Ediacaran period.
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The Chinameca Formation is a geologic formation in Mexico. It preserves fossils dating back to the Jurassic period.
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The Huayacocotla Formation is a geologic formation in Mexico. It preserves fossils dating back to the Jurassic period.
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The Simón Formation is a geologic formation in Mexico. It preserves fossils dating back to the Jurassic period.
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The Taberna Formation is a geologic formation in Mexico. It preserves fossils dating back to the Jurassic period.
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The Antimonio Formation is a geologic formation in Mexico. It preserves fossils dating back to the Jurassic period.
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The Salada Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Suchilquitongo Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Nipe Formation is a geologic formation in Cuba. It preserves fossils dating back to the Paleogene period.
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The Atanikerluk Formation is a geologic formation in Greenland. It preserves fossils dating back to the Paleogene period.
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The Ravnefjeld Formation is a geologic formation in Greenland. It preserves fossils dating back to the Permian period.
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The Pautut Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Ladegardsaen Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Raukelv Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Bernbjerg Formation is a geologic formation in Greenland. It preserves fossils dating back to the Jurassic period.
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The Vardekloft Formation is a geologic formation in Greenland. It preserves fossils dating back to the Jurassic period.
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The Agatdal Formation is a geologic formation in Greenland. It preserves fossils dating back to the Paleogene period.
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The Bastion Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cambrian period.
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The Aftenstjernesø Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cambrian period.
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The Paralleldal Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cambrian period.
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The Foldedal Formation is a geologic formation in Greenland. It preserves fossils dating back to the Carboniferous period.
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The Atane Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Hesteelv Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Kangilia Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Kome Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Kuhnpasset Formation is a geologic formation in Greenland. It preserves fossils dating back to the Cretaceous period.
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The Moneague Formation is a geologic formation in Jamaica. It preserves fossils dating back to the Neogene period.
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The Bowden Formation is a geologic formation in Jamaica. It preserves fossils dating back to the Neogene period.
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The Mikkwa Formation is a geologic formation in Alberta. It preserves fossils dating back to the Devonian period.
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The Waipiabi Formation is a geologic formation in Alberta. It preserves fossils dating back to the Cretaceous period.
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The Ettrain Formation is a geologic formation in Yukon. It preserves fossils dating back to the Carboniferous period.
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The Fifteenmile Formation is a geologic formation in Yukon. It preserves fossils dating back to the Tonian period.
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The Laberge Formation is a geologic formation in Yukon. It preserves fossils dating back to the Jurassic period.
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The Kulthieth Formation is a geologic formation in Yukon. It preserves fossils dating back to the Paleogene period.
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The Torgugas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Tuxpan Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Zuluzum Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Cantaure Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Coatzacoalcos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Concepción Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Encanto Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Ferrotepec Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Filisolo Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Guajalote Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Infierno Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Isidro Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Juchipila Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Matatlán Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Agueguexquite Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
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The Tinu Formation is a geologic formation in Mexico. It preserves fossils dating back to the Ordovician period.
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The Tepetate Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Sepultura Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Mesón Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Preitos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Huasteca Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Adjuntas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Alazán Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Bateque Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Potrerillos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.
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The Dol Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Graig Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Dolhir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Gelli Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Cyrn Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Rhiwlas Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Blaencediw Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Llanelly Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
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The Llwyn Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
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The Foel Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
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The Gronant Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
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The Trefawr Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.
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The Ty Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.
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The Bronydd Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.
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The Crychan Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.
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The Treiorwerth Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Haverford Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
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The Overton Formation is a geologic formation in England. It preserves fossils dating back to the Silurian period.
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The Whitcliffe Formation is a geologic formation in England. It preserves fossils dating back to the Silurian period.
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The Rushall Formation is a geologic formation in England. It preserves fossils dating back to the Silurian period.
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The Kingston Formation is a geologic formation in England. It preserves fossils dating back to the Jurassic period.
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The Pontyfenni Formation is a geologic formation in England. It preserves fossils dating back to the Ordovician period.
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The Tankerville Formation is a geologic formation in England. It preserves fossils dating back to the Ordovician period.
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The Carmarthen Formation is a geologic formation in England. It preserves fossils dating back to the Ordovician period.
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The Earnley Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Elmore Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Selsey Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Wittering Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Hempstead Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Oldhaven Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.
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The Blackwell Formation is a geologic formation in Scotland. It preserves fossils dating back to the Carboniferous period.
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The Passage Formation is a geologic formation in Scotland. It preserves fossils dating back to the Carboniferous period.
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The Gullane Formation is a geologic formation in Scotland. It preserves fossils dating back to the Carboniferous period.
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The Lawmuir Formation is a geologic formation in Scotland. It preserves fossils dating back to the Carboniferous period.
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The Hillhead Formation is a geologic formation in Scotland. It preserves fossils dating back to the Devonian period.
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The Inshes Formation is a geologic formation in Scotland. It preserves fossils dating back to the Devonian period.
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The Ladyburn Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Kirkcolm Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Mill Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Shalloch Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Balclatchie Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Croisaphuill Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
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The Penkill Formation is a geologic formation in Scotland. It preserves fossils dating back to the Silurian period.
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The Cowie Formation is a geologic formation in Scotland. It preserves fossils dating back to the Silurian period.
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The Hartshill Formation is a geologic formation in England. It preserves fossils dating back to the Cambrian period.
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The Roeburndale Formation is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.
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The Hotwells Formation is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.
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The Scremerston Formation is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.
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The Pilton Formation is a geologic formation in England. It preserves fossils dating back to the Devonian period.
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The Ditton Formation is a geologic formation in England. It preserves fossils dating back to the Devonian period.
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The Cloughton Formation is a geologic formation in England. It preserves fossils dating back to the Jurassic period.
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The Lias Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Mont Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Prapont Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Renggeri Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Redonien Formation is a geologic formation in France. It preserves fossils dating back to the Neogene period.
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The Pissot Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Pont Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Postolonnec Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Vauville Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The D'Urville Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Greseuse Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Andouille Formation is a geologic formation in France. It preserves fossils dating back to the Ordovician period.
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The Japhet Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Kerbelec Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Prioldy Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Quelern Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Rostiviec Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Sains Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Tibidy Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Verveur Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Zorn Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Noulette Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Kerdréolet Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Kergarvan Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Kersadiou Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The L'Armorique Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The L'Izarne Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Landevennec Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Lanvoy Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Lievin Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Nehou Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Nevremont Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Porsguen Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
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The Argovian Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Cazals Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Charmouthien Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Chay Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Comblanchien Formation is a geologic formation in France. It preserves fossils dating back to the Jurassic period.
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The Podestat Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.
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The Morgiou Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.
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The Marnos Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.
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The D'Avezac Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.
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The Hontarède Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.
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