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Panderodus (1)
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Fusulinina (1)
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problematic microfossils (2)
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scolecodonts (2)
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palynomorphs
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acritarchs (3)
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Dinoflagellata (2)
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miospores
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pollen (2)
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Plantae
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algae
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Coccolithophoraceae (1)
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diatoms (1)
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Spermatophyta
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Angiospermae (1)
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Gymnospermae
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Coniferales
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Cupressaceae (1)
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Gnetales (1)
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problematic fossils
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problematic microfossils (2)
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prokaryotes (2)
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Pterobranchia (3)
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tracks (1)
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trails (1)
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geochronology methods
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(U-Th)/He (1)
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Ar/Ar (12)
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fission-track dating (1)
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Lu/Hf (2)
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optical dating (1)
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optical mineralogy (1)
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optically stimulated luminescence (1)
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paleomagnetism (9)
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Pb/Pb (3)
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racemization (1)
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Rb/Sr (4)
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Re/Os (4)
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Sm/Nd (15)
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Sr/Sr (1)
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Th/U (1)
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thermochronology (4)
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tree rings (1)
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U/Pb (51)
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U/Th/Pb (4)
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geologic age
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Cenozoic
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Bronze Age (1)
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Quaternary
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Holocene
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Middle Ages (3)
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Neolithic (1)
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upper Holocene
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Roman period (1)
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Pleistocene
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Bishop Tuff (1)
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Illinoian (1)
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Lake Missoula (2)
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lower Pleistocene
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Calabrian (1)
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Gelasian (1)
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middle Pleistocene (3)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Bolling (1)
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Younger Dryas (2)
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Wisconsinan
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upper Wisconsinan (1)
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upper Quaternary (1)
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Stone Age
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Neolithic (1)
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Paleolithic (2)
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Tertiary
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Esna Shale (1)
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Florissant Lake Beds (1)
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lower Tertiary (1)
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Neogene
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Miocene
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Columbia River Basalt Group (1)
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Crater Flat Tuff (1)
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lower Miocene (2)
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middle Miocene (2)
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Paintbrush Tuff (1)
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Tiva Canyon Member (1)
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Topopah Spring Member (1)
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upper Miocene
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Messinian (2)
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Tortonian (1)
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Pliocene
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lower Pliocene (1)
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Paleogene
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Chadron Formation (1)
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Eocene
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lower Eocene
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Willwood Formation (1)
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Ypresian (1)
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upper Eocene
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Chadronian (1)
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Hanna Formation (1)
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Oligocene
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Boom Clay (1)
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Frio Formation (2)
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lower Oligocene (3)
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Paleocene
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lower Paleocene
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Danian (2)
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Paleocene-Eocene Thermal Maximum (1)
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White River Group (1)
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Tulare Formation (1)
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Dalradian (2)
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Laurentide ice sheet (5)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Albian (1)
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Cloverly Formation (1)
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McMurray Formation (2)
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Mowry Shale (1)
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Middle Cretaceous (1)
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Qingshankou Formation (1)
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Upper Cretaceous
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Campanian
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Dinosaur Park Formation (1)
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Cenomanian (4)
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Cody Shale (1)
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Frontier Formation (1)
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Horseshoe Canyon Formation (1)
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Lance Formation (1)
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Maestrichtian
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upper Maestrichtian (1)
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Mesaverde Group (1)
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Oldman Formation (1)
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Tuolumne Intrusive Suite (2)
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Turonian (1)
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Wyandot Formation (1)
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Franciscan Complex (1)
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Jurassic
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Bonanza Group (1)
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Clarens Formation (1)
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Lower Jurassic
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Hettangian (1)
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Pliensbachian (1)
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Sinemurian (1)
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Toarcian
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lower Toarcian (1)
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Middle Jurassic
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Bajocian
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Etive Formation (1)
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Callovian (1)
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Upper Jurassic
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Kimmeridge Clay (1)
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Kimmeridgian
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upper Kimmeridgian (1)
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Morrison Formation (1)
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Oxfordian
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middle Oxfordian (1)
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Portlandian (1)
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Sundance Formation (2)
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Tithonian (1)
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-
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Moenave Formation (1)
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Triassic
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Fremouw Formation (1)
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Lower Triassic
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Bunter (1)
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Induan (2)
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Permian-Triassic boundary (12)
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Smithian (1)
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Thaynes Formation (1)
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Werfenian (1)
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Middle Triassic
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Ladinian (1)
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Muschelkalk (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Carnian (2)
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Norian (2)
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upper Mesozoic
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Yixian Formation (1)
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Paleozoic
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Cambrian
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Bonanza King Formation (1)
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Carrara Formation (1)
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Kanmantoo Group (1)
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Lower Cambrian
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Tommotian (1)
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Zabriskie Quartzite (1)
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Middle Cambrian
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Burgess Shale (1)
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Wheeler Formation (1)
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Upper Cambrian
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Furongian (4)
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Lamotte Sandstone (1)
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Steptoean (1)
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Carboniferous
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Jackfork Group (1)
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Johns Valley Formation (1)
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Lower Carboniferous
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Asbian (1)
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Dinantian (2)
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Mississippian
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Lower Mississippian
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Tournaisian (2)
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Middle Mississippian
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Visean (1)
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Stanley Group (1)
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Upper Mississippian
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Hartselle Sandstone (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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Middle Pennsylvanian
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Allegheny Group (2)
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Atokan
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Atoka Formation (1)
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Moscovian (1)
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Upper Carboniferous
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Millstone Grit (1)
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Westphalian (1)
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Devonian
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Lower Devonian
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Emsian (2)
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Lochkovian (1)
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Oriskany Sandstone (1)
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Pragian (1)
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Middle Devonian
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Dundee Limestone (1)
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Eifelian (1)
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Hamilton Group (2)
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Ludlowville Formation (1)
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Marcellus Shale (1)
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Onondaga Limestone (1)
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Traverse Group (1)
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Upper Devonian
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Famennian (2)
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Frasnian (1)
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Kellwasser event (1)
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Ellis Bay Formation (1)
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Helderberg Group (2)
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lower Paleozoic (1)
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Ordovician
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Eureka Quartzite (1)
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Lower Ordovician
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Arenigian (1)
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Fillmore Formation (1)
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Tremadocian (4)
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Middle Ordovician
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Darriwilian (1)
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Millbrig Bentonite Bed (1)
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Pogonip Group (1)
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Upper Ordovician
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Ashgillian (1)
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Caradocian (1)
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Cincinnatian
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Richmondian (2)
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Fairview Formation (1)
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Hirnantian (2)
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Katian (3)
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Kope Formation (1)
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Wufeng Formation (3)
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Permian
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Blaine Formation (1)
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Coconino Sandstone (1)
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Guadalupian (1)
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Kaibab Formation (1)
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Longtan Formation (1)
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Lower Permian
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Cisuralian
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Asselian (1)
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Leonardian (1)
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Wolfcampian (1)
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Toroweap Formation (1)
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Upper Permian
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Changxing Formation (2)
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Lopingian
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Changhsingian (3)
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Permian-Triassic boundary (12)
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Zechstein (1)
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Silurian
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Lower Silurian
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Llandovery (1)
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Supai Formation (1)
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upper Paleozoic
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Bakken Formation (1)
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Dwyka Formation (2)
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Phanerozoic (5)
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Precambrian
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Animikie Group (1)
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Archean
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Kromberg Formation (1)
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Mesoarchean (1)
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Neoarchean (3)
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Paleoarchean
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Hooggenoeg Formation (1)
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Hadean (1)
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middle Precambrian (1)
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Onverwacht Group (1)
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Pongola Supergroup (1)
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Transvaal Supergroup (2)
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upper Precambrian
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Proterozoic
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Algonkian
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Baraboo Quartzite (1)
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Bambui Group (2)
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Espinhaco Supergroup (1)
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Malmani Subgroup (2)
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Mesoproterozoic (13)
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Neoproterozoic
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Cryogenian (2)
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Doushantuo Formation (1)
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Ediacaran (8)
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Macaubas Group (1)
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Riphean (1)
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Vendian (2)
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Paleoproterozoic
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Svecofennian (1)
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