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all geography including DSDP/ODP Sites and Legs
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Fresno County California (1)
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Hayward Fault (1)
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Imperial County California (2)
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Inyo County California
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Funeral Mountains (1)
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Panamint Range (2)
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Kern County California (1)
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Los Angeles County California
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Mendocino County California (1)
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Mono County California
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Monterey County California
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Northern California (3)
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Rattlesnake Creek Terrane (4)
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San Bernardino County California (8)
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San Luis Obispo County California
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Pismo Basin (1)
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Sierra Nevada Batholith (3)
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Siskiyou County California
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Southern California (10)
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Transverse Ranges (1)
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Whittier Fault (1)
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Canadian River (1)
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Carolina Terrane (2)
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Colorado
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Adams County Colorado (1)
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Arapahoe County Colorado (5)
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Colorado mineral belt (3)
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Douglas County Colorado (7)
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Garfield County Colorado (2)
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Gilpin County Colorado (2)
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Gore Range (1)
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Larimer County Colorado (4)
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Pikes Peak Batholith (2)
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Pueblo County Colorado
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Pueblo Colorado (2)
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Rio Blanco County Colorado
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Rangely Colorado (1)
-
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Rio Grande County Colorado (2)
-
Routt County Colorado (1)
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San Juan volcanic field (2)
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Teller County Colorado (1)
-
Wattenberg Field (4)
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Weld County Colorado (4)
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Wet Mountains (4)
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Colorado Plateau (21)
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Denver Basin (42)
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Dinosaur National Monument (1)
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Eastern California shear zone (1)
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Eastern U.S.
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Florida
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Floridan Aquifer (1)
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Georgia
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Chatham County Georgia (1)
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Great Basin (7)
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Hawaii
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Hawaii County Hawaii
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Kilauea (1)
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-
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Hayesville Fault (2)
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Hurricane Fault (1)
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Idaho
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Ada County Idaho
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-
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Bannock Range (1)
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-
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-
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Snake River plain (8)
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-
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Idaho Batholith (3)
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Illinois
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Indiana (2)
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Iowa (2)
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Mississippi (1)
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-
Montana
-
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-
Boulder Batholith (3)
-
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-
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-
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-
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-
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-
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-
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-
Gallatin County Montana
-
Hebgen Lake (1)
-
-
Garfield County Montana (2)
-
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Gravelly Range (1)
-
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-
Lewis and Clark County Montana
-
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-
-
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-
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-
Tobacco Root Mountains (3)
-
-
McCone County Montana (1)
-
Powder River County Montana (1)
-
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-
Silver Bow County Montana (1)
-
Stillwater County Montana (1)
-
Teton County Montana (1)
-
Wibaux County Montana (1)
-
-
Moxa Arch (8)
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Mullen Creek-Nash Fork shear zone (1)
-
Nebraska
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-
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-
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Nevada
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-
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New Mexico
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-
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-
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New York
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Texas
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Utah
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elements, isotopes
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carbon
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C-13 (1)
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C-13/C-12 (31)
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organic carbon (6)
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chemical ratios (4)
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hydrogen
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incompatible elements (1)
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isotope ratios (125)
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-
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stable isotopes
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Ar-40/Ar-39 (1)
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C-13/C-12 (31)
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D/H (8)
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deuterium (3)
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Fe-56/Fe-54 (1)
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Nd-144/Nd-143 (38)
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O-18 (1)
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O-18/O-16 (50)
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Os-188/Os-187 (1)
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Pb-208 (1)
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Sr-87/Sr-86 (51)
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Lu/Hf (7)
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metals
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actinides
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thorium
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Th-230/Ra-226 (1)
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uranium
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U-238/Pb-204 (1)
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U-238/U-235 (1)
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alkali metals
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potassium (2)
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rubidium
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Rb-87/Sr-86 (5)
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sodium (3)
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Be-10 (4)
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calcium (3)
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radium
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strontium
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Rb-87/Sr-86 (5)
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Sr-87/Sr-86 (51)
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-
-
aluminum
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Al-26 (1)
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bismuth (1)
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gold (1)
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hafnium
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Hf-177/Hf-176 (7)
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iron
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Fe-56/Fe-54 (1)
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ferric iron (2)
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lead
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Pb-206/Pb-204 (12)
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Pb-208 (1)
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neodymium
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Nd-144/Nd-143 (38)
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Sm-147/Nd-144 (8)
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samarium
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Sm-147/Nd-144 (8)
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ytterbium (2)
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helium (1)
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radon
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Rn-222 (2)
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oxygen
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O-18 (1)
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O-18/O-16 (50)
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phosphorus (3)
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short-lived isotopes (1)
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sulfur
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S-33/S-32 (1)
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S-34/S-32 (7)
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fossils
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Bacillus
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burrows (5)
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Chordata
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Vertebrata
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Osteichthyes
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Sarcopterygii
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Tetrapoda
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Labyrinthodontia
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Aves
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Mammalia
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Multituberculata (9)
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Ruminantia
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Cervidae
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Tylopoda
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Suiformes
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Carnivora
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Primates (4)
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Proboscidea
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Mastodontoidea (1)
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Rodentia
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Metatheria
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Reptilia
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Anapsida
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Testudines
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Chelonia (3)
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Cryptodira (1)
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Testudinidae (1)
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Diapsida
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Archosauria
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Crocodilia (4)
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dinosaurs
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Ornithischia
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Ankylosauria (1)
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Ceratopsia
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Ceratopsidae
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Triceratops (1)
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Ornithopoda
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Hadrosauridae (3)
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Saurischia
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Theropoda
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Carnosauria (1)
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Coelurosauria
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Dromaeosauridae (1)
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Tyrannosauridae (2)
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Pterosauria (2)
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Eosuchia (1)
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Ichthyosauria (6)
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Lepidosauria
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Squamata (1)
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Sauropterygia
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Plesiosauria (2)
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Graptolithina
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Graptoloidea (1)
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Hemichordata (1)
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ichnofossils
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Ophiomorpha
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Ophiomorpha nodosa (1)
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Planolites (1)
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Rhizocorallium (1)
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Skolithos (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 (1)
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Malacostraca (2)
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Ostracoda (7)
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Insecta (4)
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Trilobitomorpha
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Trilobita (1)
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Brachiopoda
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Inarticulata
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Lingula (1)
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Cnidaria
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Anthozoa (1)
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Echinodermata
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Crinozoa
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Crinoidea (1)
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Mollusca
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Bivalvia
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Heterodonta
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Rudistae (1)
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Palaeoheterodonta
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Unionidae (1)
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Pterioida
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Pteriina
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Pectinacea
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Pectinidae (1)
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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Baculites (1)
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Gastropoda
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Pulmonata (1)
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Scaphopoda
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Dentalium (1)
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Porifera
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Stromatoporoidea
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Amphipora (1)
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Protista
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Foraminifera (11)
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Radiolaria (2)
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Thecamoeba (1)
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Vermes
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Polychaeta
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Serpulidae (1)
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Metazoa (1)
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microfossils
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Charophyta (2)
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Conodonta (1)
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palynomorphs
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acritarchs (1)
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Dinoflagellata (3)
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miospores
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pollen (13)
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Plantae
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algae
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Chlorophyta
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Charophyta (2)
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Coccolithophoraceae (1)
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diatoms (1)
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nannofossils (1)
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Bryophyta (1)
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Pteridophyta
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Lycopsida (1)
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Sphenopsida (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae (4)
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Monocotyledoneae
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Gramineae (1)
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Gymnospermae
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Coniferales
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Cupressaceae (1)
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Pinaceae
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Pinus (2)
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Taxodiaceae
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Metasequoia (1)
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Cycadales (1)
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Pterobranchia (1)
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thallophytes (1)
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tracks (10)
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trails (1)
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geochronology methods
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(U-Th)/He (11)
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Ar/Ar (39)
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exposure age (1)
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fission-track dating (16)
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hydration of glass (1)
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K/Ar (8)
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Lu/Hf (7)
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Nd/Nd (2)
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optically stimulated luminescence (2)
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paleomagnetism (28)
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Pb/Pb (11)
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radiation damage (1)
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Rb/Sr (10)
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Re/Os (2)
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Sm/Nd (9)
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tephrochronology (6)
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Th/U (3)
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thermochronology (23)
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U/Pb (161)
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U/Th/Pb (4)
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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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Glenns Ferry Formation (2)
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middle Cenozoic (3)
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Quaternary
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Holocene
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lower Holocene (1)
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Medieval Warm Period (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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middle Quaternary (1)
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Pleistocene
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Bishop Tuff (2)
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middle Pleistocene (2)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (1)
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Wisconsinan
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middle Wisconsinan (1)
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upper Quaternary
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Bull Lake Glaciation (1)
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Tertiary
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Catahoula Formation (1)
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Challis Volcanics (1)
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lower Tertiary (5)
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middle Tertiary (4)
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Muddy Creek Formation (1)
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Neogene
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Bidahochi Formation (1)
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Browns Park Formation (1)
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Hemphillian (1)
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Miocene
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Ash Hollow Formation (2)
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Barstovian (1)
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Clarendonian (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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Badenian (1)
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Ngorora Formation (1)
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Peach Springs Tuff (1)
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Puerto Madryn Formation (1)
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Sarmatian (1)
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Topopah Spring Member (1)
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upper Miocene
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Santa Margarita Formation (1)
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Yakima Basalt (1)
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Zia Formation (1)
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Ogallala Formation (5)
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Pliocene
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lower Pliocene (7)
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Salt Lake Formation (1)
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Paleogene
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Claron Formation (1)
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Eocene
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Absaroka Supergroup (1)
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Bridger Formation (2)
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Bridgerian (3)
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Colton Formation (1)
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Crescent Formation (1)
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Green River Formation (27)
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Lake Gosiute (11)
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Lake Uinta (2)
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Lookingglass Formation (1)
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lower Eocene
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Wasatchian (5)
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Willwood Formation (6)
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Wind River Formation (4)
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Ypresian (2)
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Matilija Formation (1)
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middle Eocene
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Aycross Formation (1)
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Laney Shale Member (5)
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Tyee Formation (5)
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Parachute Creek Member (1)
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upper Eocene
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Chadronian (1)
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Wilkins Peak Member (6)
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Hanna Formation (12)
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lower Paleogene (1)
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Oligocene
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Brule Formation (1)
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Fish Canyon Tuff (1)
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Frio Formation (1)
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lower Oligocene (4)
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upper Oligocene (2)
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Vicksburg Group (1)
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Paleocene
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lower Paleocene
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K-T boundary (12)
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Puercan (7)
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Torrejonian (2)
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Ludlow Member (1)
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Pinyon Conglomerate (1)
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Tongue River Member (1)
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Tullock Member (2)
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upper Paleocene
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Tiffanian (5)
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Paleocene-Eocene Thermal Maximum (4)
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Renova Formation (1)
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Sespe Formation (2)
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upper Paleogene (1)
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Wasatch Formation (8)
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White River Group (6)
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Wilcox Group (4)
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Sarmiento Formation (1)
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Shahejie Formation (1)
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Vaqueros Formation (1)
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upper Cenozoic (5)
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Coal Measures (1)
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Dalradian (1)
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Mesozoic
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Condrey Mountain Schist (1)
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Cretaceous
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Colorado Group (1)
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Dakota Formation (7)
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Graneros Shale (3)
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Lower Cretaceous
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Albian (4)
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Aptian (2)
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Bear River Formation (1)
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Burro Canyon Formation (3)
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Cedar Mountain Formation (4)
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Cloverly Formation (6)
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Fall River Formation (1)
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Lakota Formation (2)
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Mowry Shale (9)
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Muddy Sandstone (7)
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Newcastle Sandstone (1)
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Skull Creek Shale (2)
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Mancos Shale (3)
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Middle Cretaceous (6)
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Upper Cretaceous
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Almond Formation (4)
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Bearpaw Formation (1)
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Belly River Formation (1)
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Blackhawk Formation (1)
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Bridge Creek Limestone Member (1)
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Campanian
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Cerro del Pueblo Formation (1)
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Dinosaur Park Formation (4)
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lower Campanian (1)
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upper Campanian (2)
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Carlile Shale (3)
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Castlegate Sandstone (5)
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Cenomanian (5)
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Codell Sandstone Member (3)
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Cody Shale (3)
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Coniacian (3)
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Elkhorn Mountains Volcanics (1)
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Ferron Sandstone Member (1)
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Fort Hays Limestone Member (2)
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Fox Hills Formation (8)
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Frontier Formation (6)
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Gammon Ferruginous Member (1)
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Greenhorn Limestone (3)
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Gulfian
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Olmos Formation (1)
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Woodbine Formation (1)
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Harebell Formation (2)
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Hell Creek Formation (5)
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Hilliard Shale (1)
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Horseshoe Canyon Formation (2)
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Judith River Formation (1)
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K-T boundary (12)
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Lance Formation (8)
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Laramie Formation (9)
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Lewis Shale (8)
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Maestrichtian
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lower Maestrichtian (2)
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Mesaverde Group (13)
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Neuquen Group (1)
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Niobrara Formation (10)
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Ojo Alamo Sandstone (1)
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Oldman Formation (1)
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Parkman Sandstone (1)
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Pierre Shale (8)
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Price River Formation (2)
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Rock Springs Formation (1)
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Saint Mary River Formation (1)
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Santonian (4)
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Senonian (19)
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Shannon Sandstone Member (2)
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Sharon Springs Member (2)
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Smoky Hill Chalk Member (1)
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Straight Cliffs Formation (1)
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Sussex Sandstone Member (1)
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Turonian
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upper Turonian (1)
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Tuscaloosa Formation (2)
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Two Medicine Formation (1)
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Williams Fork Formation (2)
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Glen Canyon Group (1)
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Great Valley Sequence (1)
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Jurassic
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Heather Formation (1)
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Lower Jurassic
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Dunlin Group (1)
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Middle Jurassic
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Aalenian (1)
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Bajocian
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