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Articulata
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Orthida (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Scleractinia
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Acropora
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Acropora palmata (1)
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Echinodermata
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Crinozoa
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Crinoidea (2)
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Mollusca
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Bivalvia
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Heterodonta
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Veneroida
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Cardiidae (1)
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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Coleoidea
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Belemnoidea
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Belemnitidae (1)
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Gastropoda
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Neogastropoda
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Muricidae (1)
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Porifera (2)
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Protista
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Foraminifera
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Rotaliina
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Buliminacea
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Bolivinitidae
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Bolivina (1)
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Radiolaria (1)
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Thecamoeba (1)
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Vermes
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Annelida (1)
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Chaetognatha (1)
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microfossils
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Conodonta (4)
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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 (3)
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Plantae
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algae
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diatoms (2)
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Rhodophyta (1)
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Pteridophyta
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Filicopsida
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Archaeopteris (1)
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Lycopsida (1)
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Spermatophyta
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Angiospermae (1)
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Gymnospermae
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Coniferales (1)
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problematic fossils (3)
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tracks (2)
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geochronology methods
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(U-Th)/He (3)
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Ar/Ar (18)
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exposure age (1)
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He/He (1)
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K/Ar (3)
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Lu/Hf (3)
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Nd/Nd (1)
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optically stimulated luminescence (1)
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paleomagnetism (19)
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Pb/Pb (4)
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racemization (1)
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Rb/Sr (2)
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Re/Os (3)
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Sm/Nd (5)
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Sr/Sr (1)
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tephrochronology (3)
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Th/U (1)
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thermochronology (5)
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tree rings (1)
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U/Pb (61)
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U/Th/Pb (5)
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uranium disequilibrium (1)
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geologic age
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Cenozoic
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Iron Age (1)
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lower Cenozoic (1)
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middle Cenozoic (2)
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Quaternary
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Holocene
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lower Holocene (1)
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Middle Ages (1)
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middle Holocene (1)
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Neoglacial
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Little Ice Age (1)
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upper Holocene
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Little Ice Age (1)
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Pleistocene
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upper Pleistocene
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Wisconsinan (2)
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upper Quaternary (5)
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Saugus Formation (1)
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Tertiary
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lower Tertiary (1)
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middle Tertiary (1)
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Neogene
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Deschutes Formation (1)
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Hemphillian (2)
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Miocene
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Aragonian (1)
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Columbia River Basalt Group (1)
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lower Miocene
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Hemingfordian (1)
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middle Miocene
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Langhian (1)
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Serravallian (1)
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Oficina Formation (1)
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upper Miocene
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Modelo Formation (2)
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Tortonian (1)
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Turolian (1)
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Vallesian (1)
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Ogallala Formation (1)
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Pliocene
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lower Pliocene (1)
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upper Pliocene (1)
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Paleogene
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Eocene
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Green River Formation (2)
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Lake Gosiute (2)
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Lake Uinta (1)
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Lookingglass Formation (1)
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lower Eocene (1)
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middle Eocene
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Laney Shale Member (2)
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upper Eocene (2)
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Oligocene
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lower Oligocene
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Rupelian (1)
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Suwannee Limestone (1)
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upper Oligocene (1)
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Paleocene
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lower Paleocene (3)
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Renova Formation (2)
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upper Paleogene (1)
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upper Cenozoic (3)
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Lake Bonneville (1)
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Mesozoic
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Cretaceous
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Comanchean
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Glen Rose Formation (1)
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Washita Group (1)
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Lower Cretaceous
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Albian (1)
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Aptian (2)
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Glen Rose Formation (1)
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Thamama Group (1)
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Middle Cretaceous (2)
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Nenjiang Formation (1)
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Qingshankou Formation (1)
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Upper Cretaceous
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Bridge Creek Limestone Member (1)
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Campanian (1)
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Cenomanian (4)
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Gulfian
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Eagle Ford Formation (1)
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Woodbine Formation (1)
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Hornbrook Formation (1)
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Judith River Formation (1)
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Maestrichtian (3)
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Middendorf Formation (1)
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Niobrara Formation (2)
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Senonian (2)
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Turonian (2)
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Two Medicine Formation (1)
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Franciscan Complex (1)
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Great Valley Sequence (2)
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Jurassic
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Aztec Sandstone (1)
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Bazhenov Formation (1)
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Coast Range Ophiolite (1)
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Lower Jurassic
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Laberge Group (1)
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Talkeetna Formation (1)
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Middle Jurassic
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Bajocian
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Brent Group (1)
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Oxford Clay (1)
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Upper Jurassic
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Brushy Basin Member (1)
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Morrison Formation (1)
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Oxfordian (1)
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Navajo Sandstone (2)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (4)
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Middle Triassic
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Anisian (3)
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Ladinian (1)
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Mole Granite (1)
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Upper Triassic
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Carnian (2)
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Mercia Mudstone (1)
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Norian (2)
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Rhaetian (1)
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upper Mesozoic (1)
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MIS 5 (2)
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Moldanubian (2)
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Paleozoic
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Cambrian
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Lower Cambrian
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Terreneuvian (1)
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Middle Cambrian (1)
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Upper Cambrian (1)
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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Barnett Shale (2)
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Leadville Formation (1)
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Lower Mississippian (1)
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Upper Mississippian
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Chesterian (1)
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Pennsylvanian
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Lower Pennsylvanian
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Morrowan (1)
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Middle Pennsylvanian (1)
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Morrow Formation (2)
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Upper Carboniferous (3)
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Catskill Formation (3)
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Chattanooga Shale (1)
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Devonian
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Heemskirk Granite (1)
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Dundee Limestone (1)
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Eifelian (1)
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Marcellus Shale (2)
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Upper Devonian
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Famennian (2)
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Frasnian (2)
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Grosmont Formation (1)
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Hampshire Formation (1)
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Ohio Shale (1)
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lower Paleozoic (5)
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New Albany Shale (2)
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Ordovician
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Eureka Quartzite (1)
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Lower Ordovician
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Ellenburger Group (1)
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Middle Ordovician (2)
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Trenton Group (1)
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Upper Ordovician
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Cincinnatian (1)
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Fernvale Formation (1)
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Hirnantian (1)
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Katian (4)
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Sandbian (1)
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Trentonian (2)
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Utica Shale (1)
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Valmy Formation (1)
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Vinini Formation (1)
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Viola Limestone (1)
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Permian
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Cutler Formation (1)
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Guadalupian
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Roadian (1)
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Lower Permian
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Cisuralian
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Kungurian (1)
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Maokou Formation (1)
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Middle Permian (1)
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Upper Permian
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Lopingian (1)
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Permian-Triassic boundary (4)
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Silurian
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Lower Silurian
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Tuscarora Formation (1)
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Middle Silurian
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Rochester Formation (1)
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Upper Silurian
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Ludlow (1)
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upper Paleozoic
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Arkansas Novaculite (1)
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Tunguska Series (1)
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Phanerozoic (5)
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Precambrian
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Adirondack Anorthosite (1)
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Archean
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Fig Tree Group (1)
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Kromberg Formation (1)
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Mesoarchean (3)
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Neoarchean (4)
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Paleoarchean
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Hooggenoeg Formation (1)
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Central Rand Group (1)
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Chuar Group (2)
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Hadean (1)
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Johnnie Formation (1)
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Laramie anorthosite complex (2)
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Nonesuch Shale (1)
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Onverwacht Group (2)
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Pongola Supergroup (2)
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upper Precambrian
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Proterozoic
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Damara System (1)
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Great Oxidation Event (3)
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Mesoproterozoic
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Aldridge Formation (1)
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Helikian (1)
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Stenian (1)
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Neoproterozoic
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Cryogenian (3)
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Ediacaran (4)
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Marinoan (1)
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Riphean
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upper Riphean (2)
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Sturtian (1)
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Tonian (6)
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Vendian (5)
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Oronto Group (1)
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Paleoproterozoic
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Rustenburg Layered Suite (1)
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Virginia Formation (1)
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Vadito Group (1)
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Witwatersrand Supergroup (1)
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Vindhyan (1)
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igneous rocks
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igneous rocks
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carbonatites (4)
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kimberlite (1)
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peperite (1)
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picrite (2)
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plutonic rocks
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anorthosite (16)
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diabase (7)
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diorites
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plagiogranite (3)
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quartz diorites (3)
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tonalite (2)
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trondhjemite (2)
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gabbros
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norite (3)
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troctolite (3)
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