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Yellowstone National Park (2)
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USSR (2)
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Voltri Group (1)
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Vulture Mountain (15)
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White Island (1)
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commodities
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brines (5)
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energy sources (6)
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zeolite deposits (1)
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elements, isotopes
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boron
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B-11/B-10 (3)
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carbon
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C-13/C-12 (64)
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C-14 (18)
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organic carbon (8)
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chemical ratios (8)
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Cl-36 (1)
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fluorine (5)
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hydrogen
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incompatible elements (2)
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isotope ratios (112)
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C-14 (18)
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Cl-36 (1)
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Pa-231 (1)
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Pb-206/Pb-204 (10)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (4)
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Pb-210 (2)
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Ra-226 (1)
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Rn-222 (3)
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Sm-147/Nd-144 (1)
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-
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stable isotopes
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B-11/B-10 (3)
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Be-10/Be-9 (1)
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C-13/C-12 (64)
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Ca-44/Ca-40 (1)
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Cr-53/Cr-52 (1)
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D/H (7)
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deuterium (1)
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He-3 (3)
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He-4/He-3 (3)
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N-15/N-14 (2)
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Nd-144/Nd-143 (17)
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O-18/O-16 (57)
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Os-188/Os-187 (2)
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Pb-206/Pb-204 (10)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (4)
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Rb-87/Sr-86 (1)
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Re-187/Os-188 (1)
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S-34/S-32 (4)
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Sm-147/Nd-144 (1)
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Sr-87/Sr-86 (32)
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-
-
metals
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actinides
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protactinium
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alkali metals
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cesium (2)
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rubidium
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Rb-87/Sr-86 (1)
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sodium (3)
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alkaline earth metals
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barium (4)
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beryllium
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Be-10 (1)
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Be-10/Be-9 (1)
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calcium
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Mg/Ca (1)
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magnesium
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Mg/Ca (1)
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radium
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Ra-226 (1)
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strontium
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (32)
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aluminum (7)
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antimony (3)
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arsenic (8)
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bismuth (1)
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cadmium (4)
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chromium
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Cr-53/Cr-52 (1)
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copper (7)
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gold (2)
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hafnium (1)
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iron
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ferric iron (4)
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ferrous iron (3)
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lead
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Pb-206/Pb-204 (10)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (4)
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Pb-210 (2)
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manganese (4)
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niobium (4)
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platinum group
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iridium (9)
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osmium
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Os-188/Os-187 (2)
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Re-187/Os-188 (1)
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palladium (1)
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polonium (1)
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rare earths
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cerium (3)
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lanthanum (1)
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neodymium
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Nd-144/Nd-143 (17)
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Sm-147/Nd-144 (1)
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samarium
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Sm-147/Nd-144 (1)
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scandium (5)
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yttrium (3)
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rhenium
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Re-187/Os-188 (1)
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silver (1)
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tin (2)
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nitrogen
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N-15/N-14 (2)
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noble gases
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helium
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He-3 (3)
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He-4/He-3 (3)
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radon
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Rn-222 (3)
-
-
-
oxygen
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dissolved oxygen (2)
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O-18/O-16 (57)
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phosphorus (3)
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silicon (5)
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sulfur
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S-34/S-32 (4)
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trace metals (2)
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fossils
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borings (3)
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Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Actinopterygii
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Teleostei
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Cypriniformes
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Cyprinidae (1)
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Sarcopterygii (1)
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Tetrapoda
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Mammalia
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Theria
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Artiodactyla
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Suiformes
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Suidae (1)
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Carnivora
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Fissipeda
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Canidae
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Canis (1)
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Felidae (1)
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Ursidae (2)
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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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Australopithecinae
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Homo
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Homo sapiens
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Homo sapiens neanderthalensis (3)
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Proboscidea
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Elephantoidea
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Elephantidae
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Mastodontoidea (1)
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Rodentia (2)
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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 (2)
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Theropoda (2)
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Pterosauria (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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-
-
-
-
-
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-
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coprolites (1)
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cyanobacteria (3)
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Cyclostomata (1)
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Enteropneusta (1)
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Graptolithina (1)
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ichnofossils
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Chondrites ichnofossils (2)
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Planolites (2)
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Thalassinoides (3)
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Zoophycos (3)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Malacostraca
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Brachyura (3)
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Ostracoda
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Podocopida
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Cytherocopina
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Cytheracea
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Cyprideis (1)
-
-
-
-
-
-
-
-
Brachiopoda
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Articulata
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Terebratulida (1)
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Inarticulata
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Lingula (1)
-
-
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Bryozoa
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Cheilostomata (1)
-
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Cnidaria
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Anthozoa
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Zoantharia
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Scleractinia (1)
-
-
-
-
Echinodermata
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Crinozoa
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Crinoidea (1)
-
-
Echinozoa
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Echinoidea (3)
-
-
-
Mollusca
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Bivalvia
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Glycymeris (1)
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Heterodonta
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Rudistae (1)
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Veneroida
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Veneridae (1)
-
-
-
Pterioida
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Pteriina
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Inocerami
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Inoceramidae (1)
-
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Pectinacea
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Pectinidae (1)
-
-
-
-
-
Cephalopoda
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Ammonoidea
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Ammonites (6)
-
-
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Gastropoda
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Archaeogastropoda (1)
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Scaphopoda (1)
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Porifera
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Demospongea (3)
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Protista
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Foraminifera
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Miliolina
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Miliolacea
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Alveolinellidae
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Alveolina (1)
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Miliolidae (1)
-
-
-
Rotaliina
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Buliminacea
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Bolivinitidae
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Bolivina (1)
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Bulimina (1)
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Uvigerinidae
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Uvigerina
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Uvigerina peregrina (1)
-
-
-
-
Globigerinacea
-
Globigerinidae
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Orbulina (2)
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Neogloboquadrina (1)
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Rotalipora (1)
-
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Orbitoidacea
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Lepidocyclina (1)
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Rotaliacea
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Ammonia (1)
-
Nummulitidae
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Nummulites (2)
-
-
-
-
Textulariina
-
Lituolacea
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Lituolidae
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Haplophragmoides (1)
-
-
Orbitolinidae (1)
-
-
-
-
Radiolaria
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Osculosida
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Nassellina (1)
-
-
-
Silicoflagellata (1)
-
Tintinnidae
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Calpionellidae (4)
-
-
-
Vermes (2)
-
-
lichens (1)
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microfossils
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Chitinozoa (1)
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Conodonta (6)
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problematic microfossils (1)
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palynomorphs
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Dinoflagellata (16)
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pollen (7)
-
-
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Plantae
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algae
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (1)
-
-
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Coccolithophoraceae
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Emiliania
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Emiliania huxleyi (1)
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-
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diatoms (1)
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Microcodium (1)
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nannofossils
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Rhodophyta
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Corallinaceae
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Lithothamnium (1)
-
-
-
-
Spermatophyta
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Angiospermae (1)
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Gymnospermae
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Coniferales (1)
-
-
-
-
problematic fossils
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problematic microfossils (1)
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prokaryotes (1)
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thallophytes (12)
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tracks (6)
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geochronology methods
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(U-Th)/He (1)
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Ar/Ar (23)
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K/Ar (5)
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paleomagnetism (46)
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Rb/Sr (2)
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Sr/Sr (1)
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Th/U (7)
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tree rings (2)
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U/Pb (8)
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geologic age
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Anthropocene (2)
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Quaternary
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Neoglacial
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upper Holocene
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Roman period (16)
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Pleistocene
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middle Pleistocene (10)
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Mindel/Riss Interglacial (1)
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upper Pleistocene
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Eemian (1)
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Neapolitan Yellow Tuff (6)
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upper Quaternary (11)
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Stone Age
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Paleolithic
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middle Paleolithic (1)
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Tertiary
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Asmari Formation (1)
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lower Tertiary (7)
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Neogene
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Miocene
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Columbia River Basalt Group (1)
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lower Miocene
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Aquitanian (2)
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middle Miocene
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Langhian (4)
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upper Miocene
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Messinian (29)
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-
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Pliocene
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lower Pliocene (5)
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upper Pliocene
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Piacenzian (1)
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upper Neogene (1)
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Paleogene
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Eocene
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lower Eocene
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middle Eocene
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Lutetian (2)
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upper Eocene (16)
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Oligocene
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Fish Canyon Tuff (1)
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lower Oligocene
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Rupelian (1)
-
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middle Oligocene (1)
-
upper Oligocene
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Chattian (5)
-
-
-
Paleocene
-
lower Paleocene
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Danian (4)
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K-T boundary (9)
-
-
Nacimiento Formation (1)
-
upper Paleocene (1)
-
-
Paleocene-Eocene Thermal Maximum (3)
-
-
upper Tertiary (3)
-
-
upper Cenozoic
-
Villafranchian (5)
-
-
-
Mesozoic
-
Carrara Marble (1)
-
Cretaceous
-
Lower Cretaceous
-
Albian
-
upper Albian (3)
-
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Aptian
-
lower Aptian (3)
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Shuaiba Formation (1)
-
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Barremian (3)
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Berriasian (3)
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Hauterivian (3)
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Neocomian (1)
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Valanginian (3)
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Middle Cretaceous (3)
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Upper Cretaceous
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Campanian
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lower Campanian (1)
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upper Campanian (1)
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Cenomanian
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lower Cenomanian (1)
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upper Cenomanian (6)
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Coniacian (3)
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Fruitland Formation (1)
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Gulfian
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Austin Group (1)
-
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K-T boundary (9)
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Maestrichtian
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lower Maestrichtian (1)
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upper Maestrichtian (1)
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Ojo Alamo Sandstone (1)
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Santonian (4)
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Senonian (12)
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Turonian
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lower Turonian (2)
-
-
-
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Franciscan Complex (1)
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Jurassic
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Ferrar Group (1)
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Lower Jurassic
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Domerian (1)
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Hettangian (2)
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lower Liassic (3)
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middle Liassic (2)
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Pliensbachian (4)
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Sinemurian (4)
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Toarcian
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lower Toarcian (4)
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Triassic-Jurassic boundary (1)
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upper Liassic (8)
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Middle Jurassic
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Bajocian (5)
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Bathonian (1)
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Solnhofen Limestone (1)
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Upper Jurassic
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Kimmeridgian (2)
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Morrison Formation (1)
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Portlandian (9)
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Tithonian (11)
-
-
-
Maiolica Limestone (15)
-
Triassic
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Lower Triassic
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Induan (1)
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Permian-Triassic boundary (6)
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Scythian (1)
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Smithian (1)
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Thaynes Formation (1)
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Werfenian (2)
-
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Middle Triassic
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Anisian (2)
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Ladinian (5)
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Muschelkalk (1)
-
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Moenkopi Formation (1)
-
Upper Triassic
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Carnian (6)
-
Keuper (1)
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Molteno Formation (1)
-
Norian (6)
-
Rhaetian (4)
-
Triassic-Jurassic boundary (1)
-
-
-
upper Mesozoic (1)
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MIS 2 (1)
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MIS 3 (1)
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MIS 5 (2)
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MIS 7 (1)
-
Paleozoic
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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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Middle Mississippian
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Visean (1)
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-
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Pennsylvanian (2)
-
Upper Carboniferous (1)
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Devonian (2)
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Ordovician
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Upper Ordovician (2)
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Permian
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Castile Formation (1)
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Guadalupian
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Capitan Formation (1)
-
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Khuff Formation (1)
-
Lower Permian (1)
-
Upper Permian
-
Permian-Triassic boundary (6)
-
-
-
upper Paleozoic (1)
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Phanerozoic (1)
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Precambrian
-
upper Precambrian
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Proterozoic (2)
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igneous rocks
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agglutinates (1)
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igneous rocks
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carbonatites
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sovite (2)
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feldspathoid rocks (1)
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kamafugite (5)
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plutonic rocks
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diabase (1)
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granodiorites (2)
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ijolite (1)
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pegmatite (15)
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sovite (2)
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syenites
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nepheline syenite
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agpaite (1)
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quartz syenite (1)
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ultramafics
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chromitite (2)
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peridotites
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dunite (1)
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garnet peridotite (1)
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harzburgite (3)
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lherzolite (2)
-
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pyroxenite
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websterite (1)
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-
-
-
volcanic rocks
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andesites (1)
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basalts
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alkali basalts
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mugearite (1)
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trachybasalts (2)
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flood basalts (3)
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mid-ocean ridge basalts (3)
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ocean-island basalts (2)
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shoshonite (6)
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tholeiitic basalt (1)
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basanite (1)
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glasses
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volcanic glass (3)
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latite (3)
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leucitite (4)
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phonolites (23)
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pyroclastics
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ignimbrite (25)
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pumice (14)
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tuff (22)
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rhyolites (6)
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tephrite (6)
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trachyandesites (3)
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trachytes (14)
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-
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ophiolite (23)
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volcanic ash (6)
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metamorphic rocks
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metamorphic rocks
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eclogite (2)
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paragneiss (1)
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granulites (3)
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jadeitite (1)
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marbles (5)
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metacarbonate rocks (1)
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metaigneous rocks
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metagabbro (1)
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metagranite (1)
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metaperidotite (1)
-
serpentinite (3)
-
-
metasedimentary rocks
-
metaconglomerate (1)
-
metapelite (4)
-
paragneiss (1)
-
-
metasomatic rocks
-
serpentinite (3)
-
skarn (7)
-
-
metavolcanic rocks (1)
-
migmatites
-
anatexite (1)
-
-
mylonites
-
pseudotachylite (3)
-
-
quartzites (3)
-
schists
-
muscovite schist (1)
-
-
-
ophiolite (23)
-
turbidite (31)
-
-
meteorites
-
meteorites
-
micrometeorites (3)
-
stony meteorites
-
chondrites
-
carbonaceous chondrites (1)
-
ordinary chondrites
-
H chondrites (3)
-
L chondrites (1)
-
LL chondrites (1)
-
-
-
-
-
-
minerals
-
alabaster (2)
-
arsenites (2)
-
borates
-
ludwigite (1)
-
vonsenite (1)
-
-
carbonates
-
aragonite (5)
-
calcite (23)
-
cancrinite (8)
-
cerussite (1)
-
dolomite (5)
-
meionite (2)
-
rhodochrosite (1)
-
siderite (2)
-
-
copper minerals (1)
-
halides
-
chlorides
-
atacamite (1)
-
halite (1)
-
sylvite (1)
-
-
fluorides
-
clinohumite (2)
-
fluorite (4)
-
humite (1)
-
zinnwaldite (1)
-
-
-
hydrates (2)
-
minerals (35)
-
native elements
-
diamond (1)
-
graphite (1)
-
-
organic minerals
-
amber (1)
-
-
oxides
-
akaganeite (1)
-
aluminum oxides (1)
-
baddeleyite (3)
-
brucite (1)
-
chrome spinel (4)
-
chromite (1)
-
ferrihydrite (1)
-
geikielite (1)
-
hematite (8)
-
hercynite (1)
-
hydroxides
-
iron hydroxides (1)
-
oxyhydroxides (2)
-
-
iron oxides (4)
-
magnesioferrite (1)
-
magnetite (7)
-
niobates
-
aeschynite (1)
-
betafite (1)
-
columbite (2)
-
euxenite (1)
-
fergusonite (1)
-
pyrochlore (5)
-
-
perovskite (3)
-
pseudobrookite (1)
-
rutile (2)
-
spinel (12)
-
spinel group (2)
-
tantalates
-
betafite (1)
-
euxenite (1)
-
microlite (2)
-
tantalite (2)
-
-
titanium oxides (1)
-
titanomagnetite (2)
-
zirconolite (3)
-
zirkelite (1)
-
-
phosphates
-
apatite (13)
-
britholite (3)
-
brushite (1)
-
fluorapatite (2)
-
graftonite (1)
-
hydroxylapatite (1)
-
monazite (2)
-
vivianite (1)
-
-
silicates
-
aluminosilicates (4)
-
asbestos (1)
-
borosilicates (4)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hastingsite (1)
-
richterite (1)
-
tremolite (2)
-
-
-
bavenite (1)
-
carpholite (1)
-
prehnite (1)
-
pyroxene group
-
clinopyroxene
-
diopside (3)
-
hedenbergite (1)
-
jadeite (2)
-
johannsenite (1)
-
-
-
rhodonite group
-
babingtonite (2)
-
-
tobermorite (3)
-
wollastonite group
-
wollastonite (1)
-
-
-
feldspathoids (7)
-
framework silicates
-
cancrinite (8)
-
danburite (1)
-
feldspar group
-
alkali feldspar
-
celsian (2)
-
hyalophane (1)
-
K-feldspar (4)
-
sanidine (9)
-
-
barium feldspar
-
celsian (2)
-
hyalophane (1)
-
-
plagioclase
-
anorthite (2)
-
-
-
leucite (16)
-
nepheline group
-
kaliophilite (1)
-
kalsilite (8)
-
nepheline (9)
-
-
scapolite group
-
meionite (2)
-
scapolite (2)
-
-
silica minerals
-
coesite (1)
-
cristobalite (1)
-
melanophlogite (1)
-
quartz (16)
-
-
sodalite group
-
hauyne (10)
-
lazurite (3)
-
nosean (2)
-
sodalite (4)
-
-
zeolite group
-
analcime (2)
-
chabazite (4)
-
erionite (1)
-
ferrierite (1)
-
mordenite (1)
-
offretite (1)
-
phillipsite (6)
-
thomsonite (1)
-
-
-
orthosilicates
-
nesosilicates
-
britholite group
-
britholite (3)
-
-
chondrodite (2)
-
clinohumite (2)
-
datolite group
-
gadolinite (3)
-
-
ellenbergerite (2)
-
garnet group
-
almandine (2)
-
andradite (1)
-
melanite (1)
-
pyrope (1)
-
-
humite (1)
-
kyanite (1)
-
olivine group
-
fayalite (1)
-
forsterite (5)
-
kirschsteinite (1)
-
olivine (4)
-
-
phenakite group
-
willemite (1)
-
-
staurolite (2)
-
stillwellite (2)
-
titanite group
-
titanite (1)
-
-
zircon group
-
zircon (7)
-
-
-
sorosilicates
-
bertrandite (1)
-
chevkinite group
-
chevkinite (2)
-
perrierite (2)
-
-
epidote group
-
epidote (3)
-
piemontite (1)
-
-
kornerupine (1)
-
lawsonite (1)
-
melilite group
-
melilite (5)
-
-
thortveitite group
-
thortveitite (1)
-
-
vesuvianite (1)
-
-
-
ring silicates
-
beryl (3)
-
cordierite (1)
-
emerald (1)
-
milarite group
-
milarite (1)
-
osumilite (2)
-
-
tourmaline group
-
dravite (1)
-
elbaite (1)
-
schorl (1)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (7)
-
clinochlore (1)
-
-
clay minerals
-
beidellite (1)
-
dickite (1)
-
halloysite (3)
-
imogolite (2)
-
kaolinite (9)
-
montmorillonite (2)
-
smectite (19)
-
vermiculite (2)
-
-
gillespite (1)
-
illite (16)
-
mica group
-
annite (3)
-
biotite (12)
-
glauconite (2)
-
muscovite (4)
-
paragonite (1)
-
phengite (5)
-
phlogopite (16)
-
zinnwaldite (1)
-
-
serpentine group
-
antigorite (3)
-
chrysotile (3)
-
lizardite (4)
-
serpentine (2)
-
-
tosudite (1)
-
-
-
sulfates
-
alunite (3)
-
anglesite (1)
-
anhydrite (2)
-
gypsum (5)
-
jarosite (1)
-
lazurite (3)
-
svanbergite (1)
-
-
sulfides
-
cinnabar (1)
-
lazurite (3)
-
pyrite (7)
-
sphalerite (2)
-
stibnite (2)
-
-
sulfosalts
-
sulfantimonites
-
chalcostibite (1)
-
tetrahedrite (1)
-
-
sulfarsenates
-
enargite (2)
-
-
-
tungstates
-
wolframite (2)
-
-
wehrlite (1)
-
-
Primary terms
-
absolute age (53)
-
academic institutions (3)
-
Africa
-
Central Africa
-
Congo Democratic Republic (1)
-
Rwanda (1)
-
-
East Africa
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Kenya (1)
-
Tanzania (1)
-
Uganda (3)
-
-
Madagascar (1)
-
North Africa
-
Algeria (1)
-
Egypt
-
Nile Delta (1)
-
-
Libya (1)
-
Maghreb (6)
-
Morocco
-
-
-