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all geography including DSDP/ODP Sites and Legs
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phosphate deposits (1)
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elements, isotopes
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boron
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carbon
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C-13/C-12 (23)
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C-14 (2)
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fluorine (1)
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hydrogen
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stable isotopes
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Ar-36 (1)
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Ar-40/Ar-36 (3)
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B-11/B-10 (1)
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C-13/C-12 (23)
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D/H (7)
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He-4/He-3 (3)
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Hf-177/Hf-176 (20)
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Kr-84 (1)
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N-15/N-14 (1)
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Nd-144/Nd-143 (24)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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O-18/O-16 (33)
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Os-188/Os-187 (3)
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (5)
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Pb-208/Pb-204 (3)
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Pb-208/Pb-206 (1)
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Rb-87/Sr-86 (1)
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S-33/S-32 (1)
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S-34/S-32 (25)
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Sm-147/Nd-144 (5)
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Sr-87/Sr-86 (29)
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Xe-129 (1)
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Lu/Hf (4)
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metals
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actinides
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alkali metals
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potassium (1)
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rubidium
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alkaline earth metals
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calcium (1)
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (29)
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aluminum (1)
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bismuth (2)
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copper (1)
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germanium (1)
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gold (2)
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hafnium
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Hf-177/Hf-176 (20)
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indium (1)
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iron
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lead
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (5)
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Pb-208/Pb-204 (3)
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Pb-208/Pb-206 (1)
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mercury (8)
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osmium
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palladium (1)
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palladium ores (1)
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platinum (1)
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platinum ores (7)
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rare earths
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lutetium (2)
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neodymium
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Nd-144/Nd-143 (24)
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Sm-147/Nd-144 (5)
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samarium
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Sm-147/Nd-144 (5)
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silver (2)
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thallium (1)
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titanium (1)
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tungsten (1)
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nitrogen
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N-15/N-14 (1)
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noble gases
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argon
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Ar-36 (1)
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Ar-38/Ar-36 (1)
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Ar-40/Ar-36 (3)
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helium
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He-4/He-3 (3)
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krypton
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Kr-84 (1)
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neon
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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xenon
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Xe-129 (1)
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oxygen
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O-18/O-16 (33)
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S-34/S-32 (25)
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tellurium (2)
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fossils
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Chordata
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Reptilia
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Ichthyosauria (3)
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Invertebrata
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Mandibulata
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Ostracoda (1)
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Insecta
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Pterygota
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Hymenoptera (1)
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Myriapoda (2)
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Trilobitomorpha
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Trilobita
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Corynexochida (1)
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Redlichiida (2)
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Brachiopoda
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Articulata
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Inarticulata (3)
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Cnidaria
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Hydrozoa (1)
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Echinodermata
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Crinozoa
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Mollusca
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Porifera
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Calcarea
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Demospongea (3)
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Protista
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Foraminifera
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Radiolaria
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Osculosida
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Vermes
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Chaetognatha (1)
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Priapulida (6)
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Metazoa (5)
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microfossils
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Conodonta
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Hindeodus (1)
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Fusulinina
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Fusulinidae
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Schwagerina (1)
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problematic microfossils
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Tubiphytes (2)
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palynomorphs
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miospores
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pollen (1)
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Plantae
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algae
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calcareous algae (1)
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Chlorophyta
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Dasycladaceae (1)
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Pteridophyta
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Spermatophyta
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Gymnospermae
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Coniferales (1)
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problematic fossils
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Tubiphytes (2)
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Pterobranchia (4)
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Lu/Hf (4)
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radiation damage (1)
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Upper Triassic
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Yanshanian (2)
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Paleozoic
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Kinzers Formation (1)
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Burgess Shale (9)
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Wheeler Formation (2)
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Carboniferous
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lower Paleozoic (2)
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Wufeng Formation (7)
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Permian
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Guadalupian
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Capitanian (1)
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Longtan Formation (6)
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Lower Permian
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Cisuralian
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Artinskian (1)
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Leonardian (1)
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Qixia Formation (1)
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Maokou Formation (6)
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Middle Permian (3)
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Upper Permian
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Changxing Formation (4)
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Lopingian
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Changhsingian (2)
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Permian-Triassic boundary (17)
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Read Bay Formation (1)
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Silurian
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Lower Silurian
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Wenlock (1)
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Upper Silurian
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Ludlow (3)
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Pridoli (2)
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upper Paleozoic (5)
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Precambrian
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upper Precambrian
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Proterozoic
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Kunyang Group (2)
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Mesoproterozoic (9)
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Neoproterozoic
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Cryogenian (2)
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Dengying Formation (5)
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Ediacaran (7)
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Marinoan (1)
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Nantuo Formation (1)
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Sturtian (1)
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Vendian (3)
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-
Paleoproterozoic (9)
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Sinian
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Dengying Formation (5)
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Nantuo Formation (1)
-
-
-
-
-
-
igneous rocks
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extrusive rocks (2)
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igneous rocks
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carbonatites (2)
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granophyre (1)
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picrite (6)
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plutonic rocks
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appinite (1)
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diabase
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tholeiitic dolerite (1)
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diorites
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diorite porphyry (1)
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quartz diorites (3)
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trondhjemite (1)
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gabbros
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labradoritite (1)
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norite (1)
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granites
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alkali granites (2)
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A-type granites (3)
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granite porphyry (1)
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I-type granites (3)
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leucogranite (5)
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monzogranite (2)
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-
granodiorites (6)
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lamprophyres (2)
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pegmatite (2)
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quartz monzonite (4)
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syenites
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alkali syenites (1)
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syenite porphyry (1)
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ultramafics
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peridotites
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harzburgite (2)
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lherzolite (1)
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-
-
-
porphyry (5)
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volcanic rocks
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adakites (1)
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andesites
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boninite (1)
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basalts
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flood basalts (13)
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mid-ocean ridge basalts (7)
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ocean-island basalts (3)
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tholeiitic basalt (1)
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trap rocks (2)
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dacites (1)
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pyroclastics
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hyaloclastite (1)
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ignimbrite (1)
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pumice (1)
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tuff (5)
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tuffite (1)
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rhyolites (2)
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trachyandesites
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absarokite (1)
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-
-
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ophiolite (3)
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volcanic ash (2)
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metamorphic rocks
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metamorphic rocks
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amphibolites (1)
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cataclasites (1)
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gneisses (4)
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hornfels (1)
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marbles (7)
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metaigneous rocks
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metabasalt (2)
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metasedimentary rocks
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metalimestone (1)
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metasandstone (1)
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metasomatic rocks
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skarn (8)
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metavolcanic rocks (3)
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mylonites (3)
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schists (5)
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slates (1)
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ophiolite (3)
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minerals
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alloys (1)
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arsenides
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arsenopyrite (2)
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borates (1)
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carbonates
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bastnaesite (2)
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calcite (6)
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dolomite (1)
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halides
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fluorides
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bastnaesite (2)
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fluorite (2)
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hydrates (1)
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molybdates (1)
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oxides
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anatase (1)
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cassiterite (2)
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corundum (1)
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diaspore (1)
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hematite (6)
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hercynite (1)
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ilmenite (6)
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iron oxides (5)
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magnetite (9)
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niobates
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aeschynite (1)
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rutile (4)
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spinel (1)
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titanium oxides (2)
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titanomagnetite (2)
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ulvospinel (2)
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phosphates
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apatite (10)
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fluorapatite (2)
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monazite (7)
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platinum minerals (2)
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silicates
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aluminosilicates (1)
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chain silicates
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aenigmatite group
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aenigmatite (1)
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amphibole group
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clinoamphibole
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hornblende (2)
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pargasite (1)
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-
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jade (1)
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pyroxene group
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clinopyroxene
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aegirine (1)
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augite (1)
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diopside (1)
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jadeite (1)
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orthopyroxene
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enstatite (1)
-
-
-
-
framework silicates
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feldspar group
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alkali feldspar
-
K-feldspar (2)
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-
plagioclase
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albite (1)
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bytownite (1)
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labradorite (1)
-
-
-
nepheline group
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nepheline (1)
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silica minerals
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quartz (5)
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sodalite group
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helvite (1)
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-
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orthosilicates
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nesosilicates
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olivine group
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olivine (3)
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titanite group
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titanite (1)
-
-
zircon group
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zircon (52)
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-
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sorosilicates
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chevkinite group
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chevkinite (2)
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perrierite (1)
-
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epidote group
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allanite (5)
-
-
-
-
ring silicates
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emerald (1)
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sheet silicates
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chlorite group
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chamosite (1)
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clay minerals
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kaolinite (1)
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illite (1)
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mica group
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biotite (2)
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muscovite (2)
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-
-
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sulfates
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alum (1)
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gypsum (2)
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voltaite (1)
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sulfides
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arsenopyrite (2)
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bornite (1)
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chalcopyrite (6)
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galena (2)
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helvite (1)
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pentlandite (2)
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pyrite (12)
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pyrrhotite (3)
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sphalerite (6)
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violarite (1)
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tungstates (1)
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uranium minerals (1)
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Primary terms
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absolute age (79)
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Africa
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North Africa
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Morocco (4)
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Antarctica (1)
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Asia
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Japan
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Laos (1)
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atmosphere (1)
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biogeography (19)
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Western Canada
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-
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carbon
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C-13/C-12 (23)
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C-14 (2)
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organic carbon (3)
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (1)
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Pleistocene
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Tertiary
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middle Tertiary (1)
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Neogene
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Pliocene
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Paleogene
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Eocene
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middle Eocene (1)
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Oligocene
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lower Oligocene (1)
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Paleocene (5)
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upper Cenozoic (4)
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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 (1)
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Placodermi
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Arthrodira (1)
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Tetrapoda
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Mammalia
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Theria
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Creodonta (1)
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Reptilia
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Archosauria
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dinosaurs
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Ornithischia
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Saurischia
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Sauropodomorpha
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Prosauropoda (1)
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-
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Ichthyosauria (3)
-
-
-
-
-
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clay mineralogy (1)
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climate change (7)
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coprolites (1)
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crust (38)
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crystal chemistry (5)
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crystal growth (3)
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crystal structure (6)
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data processing (17)
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deformation (29)
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Europe
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explosions (1)
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Graptolithina
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Graptoloidea
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Monograptina
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Monograptus
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Monograptus uniformis (1)
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ground water (12)
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heat flow (4)
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Hemichordata (4)
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hydrogen
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D/H (7)
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hydrology (4)
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ichnofossils
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Arenicolites (1)
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Planolites (1)
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igneous rocks
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carbonatites (2)
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granophyre (1)
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picrite (6)
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plutonic rocks
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appinite (1)
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diabase
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diorites
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quartz diorites (3)
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trondhjemite (1)
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gabbros
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norite (1)
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granites
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alkali granites (2)
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A-type granites (3)
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granite porphyry (1)
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I-type granites (3)
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leucogranite (5)
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monzogranite (2)
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granodiorites (6)
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lamprophyres (2)
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pegmatite (2)
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quartz monzonite (4)
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syenites
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alkali syenites (1)
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ultramafics
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peridotites
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harzburgite (2)
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lherzolite (1)
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-
-
-
porphyry (5)
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volcanic rocks
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adakites (1)
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andesites
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boninite (1)
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basalts
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flood basalts (13)
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mid-ocean ridge basalts (7)
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ocean-island basalts (3)
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tholeiitic basalt (1)
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trap rocks (2)
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dacites (1)
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pyroclastics
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hyaloclastite (1)
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ignimbrite (1)
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pumice (1)
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tuff (5)
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tuffite (1)
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rhyolites (2)
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trachyandesites
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absarokite (1)
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inclusions
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fluid inclusions (16)
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Indian Ocean (1)
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intrusions (39)
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Invertebrata
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Archaeocyatha (2)
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
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Mandibulata
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Crustacea
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Ostracoda (1)
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Hymenoptera (1)
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Myriapoda (2)
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Trilobitomorpha
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Trilobita
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Corynexochida (1)
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Brachiopoda
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Articulata
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Inarticulata (3)
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Cnidaria
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Rugosa (1)
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Hydrozoa (1)
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Echinodermata
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Crinozoa
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Mollusca
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Cephalopoda
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Ammonoidea (1)
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Hyolithes (1)
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Porifera
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Calcarea
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Sphinctozoa (2)
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Demospongea (3)
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae
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Schwagerina (1)
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Radiolaria
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Osculosida
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Nassellina (1)
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Spumellina (1)
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Vermes
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Chaetognatha (1)
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Priapulida (6)
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-
-
isotopes
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radioactive isotopes
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Ar-38/Ar-36 (1)
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C-14 (2)
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (3)
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Rb-87/Sr-86 (1)
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Sm-147/Nd-144 (5)
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U-238/U-235 (1)
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stable isotopes
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Ar-36 (1)
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Ar-38/Ar-36 (1)
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Ar-40/Ar-36 (3)
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B-11/B-10 (1)
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C-13/C-12 (23)
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D/H (7)
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He-4/He-3 (3)
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Hf-177/Hf-176 (20)
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Kr-84 (1)
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N-15/N-14 (1)
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Nd-144/Nd-143 (24)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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O-18/O-16 (33)
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Os-188/Os-187 (3)
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (5)
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Pb-208/Pb-204 (3)
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Pb-208/Pb-206 (1)
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Rb-87/Sr-86 (1)
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S-33/S-32 (1)
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S-34/S-32 (25)
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Sm-147/Nd-144 (5)
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Sr-87/Sr-86 (29)
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Xe-129 (1)
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-
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land subsidence (1)
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lava (7)
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lexicons (1)
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lineation (4)
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magmas (36)
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mantle (33)
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Mediterranean region (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous (7)
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Upper Cretaceous (5)
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Jurassic
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Lower Jurassic (2)
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Middle Jurassic (1)
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lower Mesozoic (4)
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Triassic
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Lower Triassic
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Induan (1)
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Permian-Triassic boundary (17)
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Middle Triassic
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Anisian (15)
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Upper Triassic
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Carnian (6)
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Norian (1)
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Yanshanian (2)
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metal ores
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IOCG deposits (6)
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metals
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uranium
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U-238/U-235 (1)
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alkali metals
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potassium (1)
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rubidium
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Rb-87/Sr-86 (1)
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alkaline earth metals
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strontium
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (29)
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aluminum (1)
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antimony (2)
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arsenic (2)
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bismuth (2)
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copper (1)
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germanium (1)
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gold (2)
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hafnium
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Hf-177/Hf-176 (20)
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indium (1)
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iron
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ferric iron (1)
-
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lead
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (5)
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Pb-208/Pb-204 (3)
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Pb-208/Pb-206 (1)
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mercury (8)
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molybdenum (2)
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niobium (2)
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platinum group
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osmium
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Os-188/Os-187 (3)
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palladium (1)
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neodymium
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Nd-144/Nd-143 (24)
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Sm-147/Nd-144 (5)
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samarium
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Sm-147/Nd-144 (5)
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silver (2)
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thallium (1)
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titanium (1)
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tungsten (1)
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metamorphic rocks
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amphibolites (1)
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marbles (7)
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metaigneous rocks
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metabasalt (2)
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metagabbro (1)
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metaperidotite (1)
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metasedimentary rocks
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metalimestone (1)
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metasandstone (1)
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metasomatic rocks
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skarn (8)
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metavolcanic rocks (3)
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mylonites (3)
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phyllonites (1)
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schists (5)
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metamorphism (18)
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Mexico
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Nuevo Leon Mexico (1)
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mineral deposits, genesis (68)
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Mohorovicic discontinuity (1)
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Moon (1)
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nitrogen
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N-15/N-14 (1)
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noble gases
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argon
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Ar-36 (1)
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Ar-38/Ar-36 (1)
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Ar-40/Ar-36 (3)
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helium
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He-4/He-3 (3)
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krypton
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Kr-84 (1)
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neon
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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xenon
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Xe-129 (1)
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nonmetal deposits (3)
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North America
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North American Cordillera
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Canadian Cordillera (1)
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-
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Northern Hemisphere (1)
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Ocean Drilling Program
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Leg 119
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ODP Site 744 (1)
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Leg 199
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ODP Site 1218 (1)
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-
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ocean floors (1)
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oil and gas fields (4)
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orogeny (7)
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oxygen
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O-18/O-16 (33)
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Pacific Ocean
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East Pacific
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Northeast Pacific (1)
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Equatorial Pacific (1)
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North Pacific
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Northeast Pacific (1)
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Northwest Pacific
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South China Sea (1)
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-
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South Pacific
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Southwest Pacific
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Bismarck Sea
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Manus Basin (1)
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-
-
-
West Pacific
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Northwest Pacific
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South China Sea (1)
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Southwest Pacific
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Bismarck Sea
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Manus Basin (1)
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-
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-
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paleoclimatology (15)
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paleoecology (42)
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paleogeography (27)
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paleomagnetism (6)
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paleontology (9)
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Paleozoic
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Cambrian
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Lower Cambrian
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Atdabanian (1)
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Kinzers Formation (1)
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Terreneuvian (1)
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Tommotian (2)
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Middle Cambrian
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Burgess Shale (9)
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Wheeler Formation (2)
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Pioche Shale (1)
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Upper Cambrian
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Furongian (2)
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-
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Pennsylvanian
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Upper Pennsylvanian (1)
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Upper Carboniferous (1)
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Devonian
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Lower Devonian
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Lochkovian (4)
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Pragian (2)
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Middle Devonian
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Givetian (1)
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lower Paleozoic (2)
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Ordovician
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Lower Ordovician
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Floian (1)
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Tremadocian (1)
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Middle Ordovician (1)
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Trenton Group (1)
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Upper Ordovician
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Hirnantian (2)
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Katian (1)
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Trentonian (1)
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Wufeng Formation (7)
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-
-
Permian
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Guadalupian
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Capitanian (1)
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Longtan Formation (6)
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Lower Permian
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Cisuralian
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Artinskian (1)
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Kungurian (1)
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Leonardian (1)
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Qixia Formation (1)
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Maokou Formation (6)
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Middle Permian (3)
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Upper Permian
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Changxing Formation (4)
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Lopingian
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Changhsingian (2)
-
-
Permian-Triassic boundary (17)
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-
-
Read Bay Formation (1)
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Silurian
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Lower Silurian
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Wenlock (1)
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-
Upper Silurian
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Ludlow (3)
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Pridoli (2)
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-
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upper Paleozoic (5)
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palynomorphs
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acritarchs (3)
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miospores
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pollen (1)
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-
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paragenesis (15)
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petroleum
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natural gas
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coalbed methane (1)
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shale gas (12)
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-
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petrology (2)
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phase equilibria (3)
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phosphate deposits (1)
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Plantae
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algae
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calcareous algae (1)
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (1)
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-
-
-
Pteridophyta
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Lycopsida (2)
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Sphenopsida
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Sphenophyllum (1)
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-
-
Spermatophyta
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Angiospermae
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Dicotyledoneae
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Quercus (1)
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-
-
Gymnospermae
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Coniferales (1)
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-
-
-
plate tectonics (57)
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pollution (4)
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Precambrian
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upper Precambrian
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Proterozoic
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Kunyang Group (2)
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Mesoproterozoic (9)
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Neoproterozoic
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Cryogenian (2)
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Dengying Formation (5)
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Ediacaran (7)
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Marinoan (1)
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Nantuo Formation (1)
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Sturtian (1)
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Vendian (3)
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-
Paleoproterozoic (9)
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Sinian
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Dengying Formation (5)
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Nantuo Formation (1)
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-
-
-
-
problematic fossils
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problematic microfossils
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Tubiphytes (2)
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Pterobranchia (4)
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reefs (6)
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remote sensing (2)
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roads (2)
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rock mechanics (12)
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sea water (1)
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sea-floor spreading (1)
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sea-level changes (5)
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sedimentary petrology (3)
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sedimentary rocks
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carbonate rocks
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dolostone (8)
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grainstone (1)
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limestone
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micrite (2)
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microbialite (4)
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chemically precipitated rocks
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chert (2)
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phosphate rocks (5)
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clastic rocks
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argillite (1)
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arkose (1)
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black shale (5)
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marl (1)
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mudstone (7)
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red beds (2)
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tonstein (1)
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coal
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gas shale (3)
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sedimentary structures
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bedding plane irregularities
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biogenic structures
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planar bedding structures
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sedimentation (7)
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sediments
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clastic sediments
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clay (2)
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peat (1)
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seismology (5)
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slope stability (8)
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soils
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South America (1)
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Southern Ocean (1)
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springs (4)
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stratigraphy (13)
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structural analysis (9)
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structural geology (4)
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sulfur
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S-33/S-32 (1)
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S-34/S-32 (25)
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tectonics
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neotectonics (10)
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salt tectonics (2)
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tectonophysics (1)
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thermal waters (2)
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United States
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California (1)
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Nevada
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Carlin Mine (1)
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Elko County Nevada (1)
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New York (1)
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