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all geography including DSDP/ODP Sites and Legs
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Trans-Mexican volcanic belt (16)
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North America
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Owens Valley (1)
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Northeast Pacific
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Northwest Pacific
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West Pacific
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iron
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short-lived isotopes (1)
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silicon
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Si-30 (1)
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sulfur
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S-34/S-32 (6)
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trace metals (3)
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fossils
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Chordata
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Vertebrata
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Bovidae
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Bos (1)
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Perissodactyla
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Hippomorpha
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Equidae
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Equus (1)
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Primates
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Hominidae
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Homo
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Homo erectus (1)
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Homo habilis (1)
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Homo sapiens
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Homo sapiens neanderthalensis (1)
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simians (1)
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Proboscidea
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Elephantoidea
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Elephantidae
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Elephas (1)
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Rodentia (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs
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Saurischia
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Sauropodomorpha
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Sauropoda
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Titanosauridae (1)
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Synapsida
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Therapsida (1)
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fossil man (1)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Branchiopoda
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Cladocera (1)
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Ostracoda (2)
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Diptera
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Chironomidae (1)
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Brachiopoda (2)
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Bryozoa (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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Porites (1)
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Mollusca
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Bivalvia (1)
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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Gastropoda (1)
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Porifera (1)
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Protista
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Foraminifera (7)
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Radiolaria (3)
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microfossils
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Conodonta (4)
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palynomorphs
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Dinoflagellata
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Peridinium (1)
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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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calcareous algae (1)
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diatoms (4)
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nannofossils
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Nannoconus (2)
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Pteridophyta
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Lycopsida (1)
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Sphenopsida
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Sphenophyllum (1)
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Spermatophyta
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Angiospermae (1)
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Gymnospermae (1)
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geochronology methods
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(U-Th)/He (3)
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Ar/Ar (99)
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exposure age (7)
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fission-track dating (2)
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He/He (2)
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infrared stimulated luminescence (1)
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K/Ar (43)
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Lu/Hf (2)
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optically stimulated luminescence (1)
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paleomagnetism (50)
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Pb/Pb (1)
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Rb/Sr (3)
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Re/Os (1)
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tephrochronology (49)
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Th/U (14)
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thermochronology (3)
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thermoluminescence (2)
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tree rings (7)
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U/Pb (38)
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U/Th/Pb (1)
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uranium disequilibrium (10)
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geologic age
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Anthropocene (1)
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Cenozoic
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Bronze Age (5)
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Koobi Fora Formation (4)
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middle Cenozoic (1)
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Omo Group (3)
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Quaternary
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Cordilleran ice sheet (3)
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Holocene
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lower Holocene (8)
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Mesolithic (2)
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Middle Ages (1)
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middle Holocene (3)
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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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Roman period (3)
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Mazama Ash (1)
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Pleistocene
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Bandelier Tuff (6)
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Bishop Tuff (12)
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lower Pleistocene (3)
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Matuyama Chron (2)
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middle Pleistocene (2)
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upper Pleistocene
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Neapolitan Yellow Tuff (2)
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Weichselian
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upper Weichselian
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Allerod (2)
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Younger Dryas (2)
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Wisconsinan
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upper Wisconsinan
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Fraser Glaciation (1)
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upper Quaternary
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Brunhes Chron (3)
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Shungura Formation (3)
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Stone Age
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Mesolithic (2)
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Paleolithic
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Acheulian (1)
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middle Paleolithic (1)
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upper Paleolithic (1)
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Tertiary
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Apache Leap Tuff (1)
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John Day Formation (2)
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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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Miocene
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Columbia River Basalt Group (25)
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Ellensburg Formation (1)
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Grande Ronde Basalt (8)
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lower Miocene
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Burdigalian (1)
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middle Miocene (7)
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Paintbrush Tuff (2)
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Peach Springs Tuff (1)
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Picture Gorge Basalt (3)
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Saddle Mountains Basalt (3)
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upper Miocene (5)
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Wanapum Basalt (2)
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Ogallala Formation (1)
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Pliocene
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lower Pliocene (2)
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upper Pliocene
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Piacenzian (1)
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Paleogene
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Eocene
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Castle Hayne Limestone (1)
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Clarno Formation (4)
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lower Eocene (1)
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middle Eocene (1)
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upper Eocene (2)
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Oligocene
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Fish Canyon Tuff (7)
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upper Oligocene (2)
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Paleocene
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lower Paleocene
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Danian (3)
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K-T boundary (10)
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upper Cenozoic
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Newer Volcanics (1)
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Nihewan Formation (1)
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Lake Bonneville (1)
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Laurentide ice sheet (1)
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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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Aptian
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lower Aptian (1)
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Barremian (2)
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Valanginian (2)
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Yingcheng Formation (1)
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Mancos Shale (1)
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Middle Cretaceous (1)
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Upper Cretaceous
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Ferron Sandstone Member (1)
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K-T boundary (10)
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Lameta Formation (2)
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Maestrichtian (4)
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Tuolumne Intrusive Suite (2)
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Jurassic
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Ferrar Group (4)
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Kirkpatrick Basalt (1)
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Lower Jurassic
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Pliensbachian (1)
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Sinemurian (1)
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Toarcian (3)
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Triassic-Jurassic boundary (2)
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Middle Jurassic
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Bajocian
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Yakoun Group (1)
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Upper Jurassic
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Oxfordian (1)
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lower Mesozoic (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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Ladinian (1)
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Upper Triassic
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Carnian (3)
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Rhaetian (1)
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Triassic-Jurassic boundary (2)
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MIS 2 (1)
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Paleozoic
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Cambrian
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Upper Cambrian (1)
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Carboniferous
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Lower Carboniferous (1)
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Mississippian
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Middle Mississippian
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Visean (1)
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Stanley Group (1)
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Namurian (1)
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Pennsylvanian (1)
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Devonian
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Fisset Brook Formation (1)
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Lower Devonian
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Emsian (1)
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Old Red Sandstone (1)
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Upper Devonian
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Kellwasser event (1)
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lower Paleozoic (2)
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Madera Formation (1)
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Ordovician
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Lower Ordovician
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Arenigian (1)
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Middle Ordovician
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Deicke Bentonite Bed (3)
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Millbrig Bentonite Bed (3)
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Platteville Formation (1)
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Upper Ordovician
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Caradocian
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Borrowdale Volcanic Group (1)
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Cincinnatian (1)
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Katian (1)
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Mohawkian (1)
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Sandbian (1)
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Womble Shale (1)
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Permian
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Guadalupian
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Capitanian (3)
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Lower Permian (1)
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Maokou Formation (1)
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Shihezi Formation (1)
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Upper Permian
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Permian-Triassic boundary (4)
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Silurian
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Upper Silurian (1)
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Taiyuan Formation (1)
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upper Paleozoic
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Shanxi Formation (1)
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Phanerozoic (3)
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Precambrian
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Archean
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Neoarchean (1)
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Paleoarchean (1)
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Kingston Peak Formation (1)
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North Shore Volcanics (2)
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Onverwacht Group (1)
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upper Precambrian
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Proterozoic
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Keweenawan (1)
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Mesoproterozoic
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Gawler Range Volcanics (1)
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Neoproterozoic
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Cryogenian (1)
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Marinoan (1)
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Sturtian (1)
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Paleoproterozoic (1)
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Ventersdorp Supergroup (1)
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igneous rocks
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extrusive rocks (9)
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igneous rocks
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carbonatites (9)
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granophyre (3)
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hypabyssal rocks (1)
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kamafugite (1)
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kimberlite (10)
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peperite (2)
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picrite (2)
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plutonic rocks
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anorthosite (1)
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diabase (2)
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diorites
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plagiogranite (1)
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quartz diorites (1)
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trondhjemite (1)
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essexite (1)
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granites
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aplite (1)
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A-type granites (1)
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granite porphyry (1)
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leucogranite (1)
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microgranite (1)
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