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Saurischia
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Tertiary
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Bidahochi Formation (2)
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Santa Margarita Formation (1)
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Yakima Basalt (1)
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Ogallala Formation (3)
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Pliocene
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lower Pliocene
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Zanclean (1)
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Ringold Formation (1)
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upper Neogene (1)
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Paleogene
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Chadron Formation (2)
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Duchesne River Formation (3)
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Eocene
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Absaroka Supergroup (3)
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Bridger Formation (2)
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Chuckanut Formation (1)
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Chumstick Formation (2)
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Clarno Formation (1)
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Colton Formation (3)
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Crescent Formation (1)
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Green River Formation (30)
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Lake Uinta (4)
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Hatchetigbee Formation (1)
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middle Eocene
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Parachute Creek Member (1)
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upper Eocene
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Chadronian (2)
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La Meseta Formation (1)
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Uinta Formation (2)
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Wilkins Peak Member (1)
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Flagstaff Formation (1)
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lower Paleogene (4)
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Oligocene
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Brule Formation (2)
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lower Oligocene (3)
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Paleocene
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Clayton Formation (1)
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lower Paleocene
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K-T boundary (11)
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Puercan (1)
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Nacimiento Formation (1)
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Porters Creek Formation (1)
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Tongue River Member (1)
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Tiffanian (1)
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Paleocene-Eocene Thermal Maximum (2)
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Renova Formation (2)
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upper Paleogene (1)
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Wasatch Formation (9)
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White River Group (6)
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Wilcox Group (3)
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Shahejie Formation (1)
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upper Cenozoic (3)
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Dalradian (1)
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Lake Bonneville (1)
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Mesozoic
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Cretaceous
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Blairmore Group (1)
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Comanchean
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Edwards Formation (1)
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Travis Peak Formation (1)
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Dakota Formation (4)
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Graneros Shale (2)
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Lower Cretaceous
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Albian
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upper Albian (2)
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Aptian (2)
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Barremian (1)
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Bear River Formation (1)
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Berriasian (1)
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Burro Canyon Formation (2)
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Cadomin Formation (1)
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Cedar Mountain Formation (1)
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Cloverly Formation (2)
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Edwards Formation (1)
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Hauterivian (1)
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Lagoa Feia Formation (1)
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Mannville Group (1)
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Mowry Shale (6)
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Muddy Sandstone (2)
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Skull Creek Shale (2)
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Travis Peak Formation (1)
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Valanginian (1)
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Lower Greensand (1)
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Mancos Shale (7)
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Middle Cretaceous
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Winton Formation (1)
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Upper Cretaceous
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Almond Formation (2)
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Bearpaw Formation (2)
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Blackhawk Formation (3)
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Campanian
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lower Campanian (1)
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upper Campanian (2)
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Cardium Formation (3)
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Carlile Shale (2)
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Castlegate Sandstone (4)
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Cenomanian (5)
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Codell Sandstone Member (1)
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Coniacian
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lower Coniacian (1)
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Eutaw Formation (1)
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Fort Hays Limestone Member (1)
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Fox Hills Formation (4)
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Frontier Formation (5)
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Greenhorn Limestone (1)
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Gulfian
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Eagle Ford Formation (1)
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Hell Creek Formation (4)
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Horseshoe Canyon Formation (1)
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K-T boundary (11)
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Lance Formation (3)
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Laramie Formation (3)
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Lewis Shale (3)
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Maestrichtian
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lower Maestrichtian (1)
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upper Maestrichtian (2)
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Marilia Formation (2)
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Mesaverde Group (6)
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Niobrara Formation (7)
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Oldman Formation (1)
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Parkman Sandstone (1)
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Pierre Shale (8)
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Point Loma Formation (1)
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Prince Creek Formation (1)
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Rosario Formation (1)
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Santonian (5)
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Senonian (17)
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Star Point Sandstone (1)
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Turonian
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lower Turonian (2)
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upper Turonian (1)
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Tuscaloosa Formation (1)
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Williams Fork Formation (5)
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Whitemud Formation (1)
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Yezo Group (1)
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Great Valley Sequence (1)
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Jurassic
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Arapien Shale (1)
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Fernie Formation (2)
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Lower Jurassic
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Pliensbachian (1)
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Middle Jurassic
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Bajocian (1)
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Bathonian (2)
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Callovian (2)
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Todilto Formation (1)
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Norphlet Formation (1)
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Twin Creek Limestone (1)
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Upper Jurassic
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Brushy Basin Member (1)
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Kimmeridge Clay (1)
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Kimmeridgian (1)
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Morrison Formation (9)
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Oxfordian (1)
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Salt Wash Sandstone Member (1)
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Smackover Formation (1)
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Sundance Formation (3)
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Navajo Sandstone (2)
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Nugget Sandstone (1)
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Triassic
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Lower Triassic
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Dinwoody Formation (2)
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Permian-Triassic boundary (1)
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Middle Triassic
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Anisian (1)
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Doig Formation (2)
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Moenkopi Formation (1)
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Montney Formation (1)
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Red Peak Formation (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Yanchang Formation (2)
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MIS 5 (1)
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Paleozoic
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Cambrian
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Conasauga Group (1)
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Middle Cambrian
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Flathead Sandstone (2)
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Upper Cambrian
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Mount Simon Sandstone (1)
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Reagan Sandstone (1)
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Carboniferous
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Albert Formation (1)
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Big Snowy Group (1)
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Jackfork Group (1)
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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Big Injun Sandstone (1)
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Lower Mississippian
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Lodgepole Formation (3)
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Pocono Formation (1)
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Tournaisian (2)
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Madison Group (4)
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Middle Mississippian
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Visean (1)
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Upper Mississippian
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Heath Formation (1)
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Meramecian
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Salem Limestone (1)
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Serpukhovian (1)
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Valmeyeran (1)
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Pennsylvanian
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Lower Pennsylvanian
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Bashkirian (1)
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Mattoon Formation (1)
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Middle Pennsylvanian
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Atokan (2)
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Carbondale Formation (1)
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Desmoinesian
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Cherokee Group (1)
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Marmaton Group (1)
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Tradewater Formation (1)
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Minturn Formation (1)
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Upper Pennsylvanian
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Kasimovian (1)
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Upper Carboniferous (1)
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Casper Formation (2)
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Catskill Formation (2)
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Deadwood Formation (1)
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Devonian
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Middle Devonian
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Eifelian (1)
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Mahantango Formation (1)
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Tioga Bentonite (1)
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Old Red Sandstone (1)
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Upper Devonian
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Frasnian (1)
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Exshaw Formation (2)
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Lisburne Group (1)
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lower Paleozoic (1)
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Maroon Formation (1)
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New Albany Shale (1)
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Ordovician
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Lower Ordovician
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Kindblade Formation (1)
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Middle Ordovician
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Deicke Bentonite Bed (1)
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Upper Ordovician
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Bighorn Dolomite (1)
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Cincinnatian (1)
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Hirnantian (1)
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Katian (1)
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Viola Limestone (1)
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Permian
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Guadalupian
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Brushy Canyon Formation (1)
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Cherry Canyon Formation (1)
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Roadian (1)
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Kaibab Formation (1)
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Lower Permian
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Cherry Canyon Formation (1)
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Cisuralian
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Kungurian (2)
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Wolfcampian (1)
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Lyons Sandstone (1)
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Middle Permian (1)
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Phosphoria Formation (2)
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Upper Permian
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Permian-Triassic boundary (1)
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Wellington Formation (1)
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Yates Formation (1)
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Road River Formation (1)
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Silurian
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Lower Silurian
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Llandovery (2)
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Wenlock (2)
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Middle Silurian (1)
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Niagaran (1)
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Upper Silurian
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Ludlow (1)
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Pridoli (1)
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Tensleep Sandstone (1)
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upper Paleozoic
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Bakken Formation (1)
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Fountain Formation (1)
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Weber Sandstone (3)
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Woodford Shale (3)
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Phanerozoic (3)
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Precambrian
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Archean
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Eoarchean (1)
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Neoarchean (2)
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Paleoarchean (1)
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Carrizo Mountain Formation (1)
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Central Rand Group (1)
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Hazel Formation (1)
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Stillwater Complex (1)
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Uinta Mountain Group (1)
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upper Precambrian
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Proterozoic
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Keweenawan
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Portage Lake Lava Series (1)
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Mesoproterozoic (8)
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Neoproterozoic
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Sturtian (1)
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Torridonian (1)
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Paleoproterozoic (6)
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Witwatersrand Supergroup (1)
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igneous rocks
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igneous rocks
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carbonatites (3)
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kimberlite (2)
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plutonic rocks
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anorthosite (4)
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diabase (1)
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diorites
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plagiogranite (1)
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quartz diorites (1)
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tonalite (1)
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gabbros
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norite (1)
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granites
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A-type granites (1)
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charnockite (1)
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monzogranite (1)
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granodiorites (1)
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jotunite (1)
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lamproite (1)
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lamprophyres
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minette (2)
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monzodiorite (1)
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monzonites
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mangerite (1)
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quartz monzonite (1)
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syenites
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alkali syenites (1)
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ultramafics
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peridotites (2)
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pyroxenite
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garnet pyroxenite (1)
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volcanic rocks
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basalts
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alkali basalts (1)
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flood basalts (1)
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mid-ocean ridge basalts (1)
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shoshonite (1)
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dacites (1)
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glasses
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volcanic glass (2)
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phonolites (1)
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pyroclastics
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ash-flow tuff (1)
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hyaloclastite (2)
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tuff (7)
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rhyodacites (1)
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rhyolites (3)
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volcanic ash (2)
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metamorphic rocks
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K-bentonite (1)
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metamorphic rocks
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amphibolites (2)
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cataclasites (2)
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eclogite (1)
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gneisses
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augen gneiss (1)
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granite gneiss (1)
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orthogneiss (2)
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paragneiss (1)
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granulites (1)
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hornfels (1)
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marbles (4)
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metacarbonate rocks (1)
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metaigneous rocks
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metagranite (1)
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metatuff (1)
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serpentinite (1)
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metaplutonic rocks (1)
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metasedimentary rocks
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paragneiss (1)
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metasomatic rocks
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serpentinite (1)
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skarn (1)
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metavolcanic rocks (2)
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migmatites (1)
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phyllites (2)
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quartzites (4)
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schists
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biotite schist (1)
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slates (1)
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turbidite (3)
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meteorites
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meteorites
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