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Inoceramidae
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Inoceramus (1)
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Cephalopoda
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Ammonoidea
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Ammonites (4)
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Coleoidea
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Belemnoidea
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Belemnitidae (2)
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Nautiloidea (1)
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Gastropoda
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Mesogastropoda
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Cerithiidae (1)
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Porifera
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Stromatoporoidea (1)
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae (3)
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Rotaliina
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Nodosariacea
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Nodosariidae
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Lenticulina (1)
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Nodosaria (1)
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Textulariina
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Lituolacea
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Ammobaculites (1)
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Lituolidae
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Haplophragmoides (1)
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Trochammina (1)
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Radiolaria (8)
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Vermes
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scolecodonts (1)
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Metazoa (1)
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microfossils
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Chitinozoa (5)
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Conodonta
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Icriodus (1)
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Ozarkodina (1)
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Panderodus (1)
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Fusulinina
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Fusulinidae (3)
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scolecodonts (1)
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palynomorphs
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acritarchs (7)
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Chitinozoa (5)
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Dinoflagellata (11)
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megaspores (2)
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miospores
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pollen (10)
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Plantae
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algae
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Coccolithophoraceae (1)
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diatoms (5)
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Epiphyton (1)
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nannofossils (2)
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Rhodophyta
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Corallinaceae (1)
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Pteridophyta
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Lycopsida (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Alnus (1)
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Betula (1)
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Corylus (1)
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Fagus (1)
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Juglans (1)
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Quercus (1)
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Gymnospermae
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Coniferales
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Araucariaceae (1)
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Pinaceae
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Pinus (1)
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Tsuga (1)
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Ginkgoales (1)
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Pterobranchia (5)
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thallophytes (2)
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tracks (5)
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geochronology methods
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(U-Th)/He (1)
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Ar/Ar (10)
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K/Ar (4)
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Nd/Nd (1)
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paleomagnetism (20)
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Pb/Pb (1)
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Rb/Sr (3)
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Sm/Nd (2)
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tephrochronology (2)
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Th/U (2)
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thermochronology (2)
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U/Pb (30)
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U/Th/Pb (2)
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uranium disequilibrium (1)
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geologic age
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Cenozoic
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Blancan (1)
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Gila Conglomerate (1)
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Glenns Ferry Formation (1)
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lower Cenozoic (1)
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Quaternary
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Holocene (1)
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Kazusa Group (1)
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middle Quaternary (1)
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Pleistocene
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Illinoian (1)
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lower Pleistocene (7)
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Matuyama Chron (1)
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upper Pleistocene
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Wisconsinan (1)
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upper Quaternary (1)
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Siwalik System (3)
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Tertiary
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Arikaree Group (3)
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Arikareean (1)
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Florissant Lake Beds (1)
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Lincoln Creek Formation (1)
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lower Tertiary (1)
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Muddy Creek Formation (1)
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Neogene
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Capistrano Formation (1)
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Deschutes Formation (1)
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Miocene
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Antelope Shale (1)
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Astoria Formation (1)
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Calvert Formation (1)
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Clarendonian (1)
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Guantao Formation (1)
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lower Miocene
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Aquitanian (1)
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Burdigalian (2)
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middle Miocene
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Choptank Formation (1)
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Serravallian (1)
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Surma Group (1)
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upper Miocene
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Messinian (2)
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Mount Messenger Formation (1)
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Pliocene
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Gauss Chron (1)
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lower Pliocene (1)
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upper Pliocene (3)
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upper Neogene (1)
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Paleogene
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Barail Group (1)
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Claron Formation (1)
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Dongying Formation (2)
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Eocene
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Bridger Formation (1)
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Green River Formation (4)
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Lake Gosiute (1)
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lower Eocene
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Thebes Formation (1)
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Wasatchian (1)
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Willwood Formation (1)
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Ypresian (1)
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middle Eocene
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Bartonian (1)
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Carrizo Sand (1)
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Laney Shale Member (1)
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Lutetian (1)
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Tyee Formation (1)
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upper Eocene
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Chadronian (1)
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La Meseta Formation (1)
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Priabonian (1)
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Wilkins Peak Member (2)
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Yamhill Formation (1)
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lower Paleogene (1)
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Oligocene
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Brule Formation (2)
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Creede Formation (2)
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Krosno Beds (1)
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lower Oligocene
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Rupelian (1)
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upper Oligocene (2)
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Paleocene
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Bullion Creek Formation (1)
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lower Paleocene
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Danian (2)
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K-T boundary (3)
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Puercan (1)
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Ludlow Member (1)
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Tullock Member (1)
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Paleocene-Eocene Thermal Maximum (1)
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Renova Formation (1)
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upper Paleogene (1)
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Wasatch Formation (3)
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White River Group (2)
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Wilcox Group (2)
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Shahejie Formation (3)
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upper Cenozoic (2)
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Yakataga Formation (2)
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Coal Measures (4)
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Dalradian (1)
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Mesozoic
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Cretaceous
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Alisitos Formation (1)
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Asu River Group (1)
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Colorado Group (4)
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Comanchean
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Glen Rose Formation (1)
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Trinity Group (1)
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Washita Group (1)
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Dakota Formation (4)
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Graneros Shale (1)
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Hue Shale (1)
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Kuskokwim Group (1)
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Lower Cretaceous
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Albian
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upper Albian (1)
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Aptian (7)
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Barremian (1)
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Berriasian (2)
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Bluesky Formation (3)
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Christopher Formation (2)
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Cloverly Formation (1)
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Gething Formation (4)
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Glen Rose Formation (1)
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Hauterivian (2)
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Kiowa Formation (1)
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Mannville Group (5)
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McMurray Formation (6)
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Mowry Shale (3)
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Neocomian (2)
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Pebble Shale (1)
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Skull Creek Shale (1)
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Spirit River Formation (1)
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Trinity Group (1)
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Valanginian (4)
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Lower Greensand (1)
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Mancos Shale (8)
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Nanushuk Group (1)
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Nenjiang Formation (1)
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Qingshankou Formation (1)
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Upper Cretaceous
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Bearpaw Formation (4)
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Belle Fourche Shale (2)
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Belly River Formation (2)
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Blackhawk Formation (6)
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Campanian
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Dinosaur Park Formation (1)
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lower Campanian (1)
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Cardium Formation (1)
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Carlile Shale (1)
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Castlegate Sandstone (1)
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Cenomanian
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Dunvegan Formation (4)
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upper Cenomanian (1)
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Codell Sandstone Member (1)
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Cody Shale (1)
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Coniacian (3)
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Crevasse Canyon Formation (1)
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Eagle Sandstone (1)
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Ferron Sandstone Member (1)
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Fort Hays Limestone Member (1)
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Frontier Formation (3)
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Gallup Sandstone (1)
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Greenhorn Limestone (3)
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Gulfian
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Eagle Ford Formation (2)
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Woodbine Formation (1)
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Hell Creek Formation (3)
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Honna Formation (1)
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Horseshoe Canyon Formation (3)
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Judith River Formation (2)
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Kanguk Formation (1)
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K-T boundary (3)
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Maestrichtian
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upper Maestrichtian (1)
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Mesaverde Group (5)
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Niobrara Formation (6)
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Ojo Alamo Sandstone (1)
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Oldman Formation (1)
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Peedee Formation (1)
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Pierre Shale (4)
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Price River Formation (1)
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Rosario Formation (1)
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Saint Mary River Formation (2)
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Santonian (7)
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Senonian (20)
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Shannon Sandstone Member (1)
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Star Point Sandstone (1)
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Turonian (5)
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Tuscaloosa Formation (1)
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Two Medicine Formation (2)
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Wyandot Formation (1)
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Viking Formation (2)
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Franciscan Complex (1)
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Glen Canyon Group (2)
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Jurassic
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Bazhenov Formation (1)
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Carmel Formation (4)
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Fernie Formation (1)
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Lower Jurassic
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Dunlin Group (2)
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Hettangian (2)
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lower Liassic (3)
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middle Liassic (3)
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Pliensbachian (4)
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Sinemurian (2)
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Toarcian (6)
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Triassic-Jurassic boundary (1)
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upper Liassic (2)
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Middle Jurassic
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Aalenian (1)
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Bajocian
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Brent Group (1)
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Broom Formation (1)
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Ness Formation (1)
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Rannoch Formation (1)
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Bathonian (3)
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Callovian (5)
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Norphlet Formation (1)
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San Rafael Group (2)
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Twin Creek Limestone (1)
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Upper Jurassic
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Bowser Lake Group (2)
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Entrada Sandstone (3)
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Fulmar Formation (1)
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Kimmeridge Clay (2)
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Kimmeridgian (3)
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Morrison Formation (3)
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Naknek Formation (1)
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Oxfordian (6)
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Portlandian (1)
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Stump Formation (1)
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Sundance Formation (1)
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Swift Formation (1)
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Tithonian (1)
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Volgian (3)
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Kunga Group (1)
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Mist Mountain Formation (1)
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Navajo Sandstone (3)
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Newark Supergroup (1)
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Nugget Sandstone (2)
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Sandilands Formation (2)
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Triassic
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Charlie Lake Formation (4)
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Lower Triassic
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Bunter (1)
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Dinwoody Formation (1)
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Permian-Triassic boundary (4)
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Smithian (3)
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Spathian (3)
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Thaynes Formation (1)
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Werfenian (1)
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Middle Triassic
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Anisian (5)
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Doig Formation (15)
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Muschelkalk (1)
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Moenkopi Formation (3)
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Montney Formation (26)
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Narrabeen Group (1)
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Red Peak Formation (4)
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Shublik Formation (3)
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Takla Group (1)
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Upper Triassic
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Baldonnel Formation
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