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all geography including DSDP/ODP Sites and Legs
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Africa
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East Africa
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Chlorophyta
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Pteridophyta
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Spermatophyta
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Coniferales
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problematic fossils (1)
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geologic age
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Cenozoic
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Tertiary
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Paleogene
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Hanna Formation (1)
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upper Cenozoic
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Mesozoic
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Lower Cretaceous
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Albian (5)
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Niobrara Formation (1)
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Viking Formation (2)
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Jurassic
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Triassic
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Paleozoic
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Middle Mississippian
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Mauch Chunk Formation (1)
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Namurian (1)
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Upper Carboniferous (2)
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Catskill Formation (1)
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Devonian
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Permian
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Lower Permian
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Sauk Sequence (1)
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Silurian
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Upper Silurian
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Pridoli (1)
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Taiyuan Formation (1)
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framework silicates
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phenakite group
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zircon group
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sheet silicates
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chlorite group
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troilite (1)
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Primary terms
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absolute age (14)
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Africa
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Asia
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Indian Peninsula
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atmosphere (3)
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Canada
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Quebec
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carbon
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C-13/C-12 (7)
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Caspian Sea (1)
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Cenozoic
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Quaternary
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Mesolithic (1)
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upper Holocene
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Roman period (2)
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Pleistocene
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Stone Age
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Paleolithic
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Tertiary
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Challis Volcanics (1)
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Neogene
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Miocene
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middle Miocene
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Pliocene
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Akchagylian (1)
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Paleogene
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Eocene
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middle Eocene (1)
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upper Eocene (1)
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Hanna Formation (1)
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Oligocene
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lower Oligocene (1)
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Paleocene (3)
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White River Group (1)
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upper Cenozoic
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Villafranchian (1)
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Central America
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chemical analysis (2)
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Chordata
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Reptilia
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clay mineralogy (2)
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Europe
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Italy
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Indian Ocean
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Invertebrata
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Arthropoda
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Insecta
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Trilobitomorpha
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Brachiopoda (4)
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Echinodermata
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Mollusca
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Inoceramidae (1)
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Cephalopoda
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Goniatitida
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Goniatitidae
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Nautiloidea (1)
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Gastropoda
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Pulmonata (1)
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Protista
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Foraminifera
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Fusulinina
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isotopes
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Mediterranean Sea
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West Mediterranean
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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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Glen Rose Formation (2)
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Lower Cretaceous
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Albian (5)
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Berriasian (1)
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Glen Rose Formation (2)
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Mancos Shale (1)
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Middle Cretaceous (1)
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Potomac Group (1)
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Upper Cretaceous
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Campanian
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upper Campanian (3)
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Cardium Formation (1)
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Cenomanian (2)
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Gulfian
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Austin Chalk (1)
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Eagle Ford Formation (3)
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Hell Creek Formation (1)
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Maestrichtian
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upper Maestrichtian (1)
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Niobrara Formation (1)
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Pierre Shale (3)
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Senonian (3)
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Smoky Hill Chalk Member (1)
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Turonian (2)
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Viking Formation (2)
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Jurassic
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Aztec Sandstone (1)
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Middle Jurassic
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Bathonian (1)
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Opalinus 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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Triassic
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metal ores
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Be-10 (2)
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strontium
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Sr-87/Sr-86 (1)
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aluminum
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Al-26 (1)
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Mexico (1)
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noble gases (1)
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North America
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Appalachians
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Basin and Range Province
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Canadian Shield
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