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all geography including DSDP/ODP Sites and Legs
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West Virginia
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Western U.S. (22)
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tight sands (16)
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elements, isotopes
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boron
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carbon
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chemical elements (2)
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chemical ratios (51)
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bromine
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chlorine
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chloride ion (23)
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Cl-36 (3)
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fluorine
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fluoride ion (2)
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iodine
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I-129 (5)
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hydrogen
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D/H (117)
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deuterium (36)
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isotope ratios (815)
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isotopes
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radioactive isotopes
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Am-241 (1)
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Ar-40/Ar-39 (2)
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C-14 (172)
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C-14/C-12 (2)
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Cl-36 (3)
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Co-60 (1)
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Cs-137 (10)
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I-129 (5)
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Os-187/Os-186 (1)
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Pa-231 (2)
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Pb-206/Pb-204 (11)
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Pb-207/Pb-204 (9)
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Pb-208/Pb-204 (8)
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Pb-210 (14)
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Ra-226 (2)
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Rb-87/Sr-86 (1)
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Re-187/Os-188 (4)
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Rn-222 (2)
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Tc-99 (1)
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Th-230 (3)
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Th-232 (2)
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Th-232/Th-230 (1)
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Th-234 (1)
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tritium (5)
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U-234/Th-230 (1)
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U-235 (1)
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U-238 (2)
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U-238/Pb-206 (1)
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U-238/Th-232 (1)
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U-238/U-234 (2)
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U-238/U-235 (2)
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stable isotopes
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Ar-36 (2)
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Ar-40 (1)
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Ar-40/Ar-36 (7)
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Ar-40/Ar-39 (2)
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B-11/B-10 (1)
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C-12 (4)
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C-13 (23)
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C-13/C-12 (805)
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C-14/C-12 (2)
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Cr-53/Cr-52 (1)
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D/H (117)
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deuterium (36)
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Fe-54 (1)
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Fe-56 (2)
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Fe-56/Fe-54 (8)
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Fe-57 (2)
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Fe-57/Fe-54 (1)
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He-3 (2)
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He-4 (3)
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He-4/He-3 (15)
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Kr-84 (2)
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Li-7/Li-6 (1)
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N-15 (3)
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N-15/N-14 (52)
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Nd-144/Nd-143 (1)
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Ne-20 (2)
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Ne-21 (2)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (3)
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O-17/O-16 (2)
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O-18 (2)
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O-18/O-16 (277)
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Os-187/Os-186 (1)
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Os-188/Os-187 (11)
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Pb-206/Pb-204 (11)
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Pb-207/Pb-204 (9)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (8)
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Pb-208/Pb-206 (1)
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Rb-87/Sr-86 (1)
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Re-187/Os-188 (4)
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S-33/S-32 (1)
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S-34/S-32 (107)
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S-36 (1)
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Si-29 (1)
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Si-30/Si-28 (1)
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Sr-87/Sr-86 (32)
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U-238/Pb-206 (1)
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Xe-132 (1)
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large-ion lithophile elements (1)
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metals
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actinides
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americium
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Am-241 (1)
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plutonium (1)
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protactinium
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Pa-231 (2)
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thorium
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Th-230 (3)
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Th-232 (2)
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Th-232/Th-230 (1)
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Th-234 (1)
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U-234/Th-230 (1)
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U-238/Th-232 (1)
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uranium
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U-234/Th-230 (1)
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U-238 (2)
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U-238/Pb-206 (1)
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U-238/Th-232 (1)
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U-238/U-234 (2)
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U-238/U-235 (2)
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alkali metals
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cesium
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Cs-137 (10)
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lithium
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Li-7/Li-6 (1)
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potassium (27)
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rubidium
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Rb-87/Sr-86 (1)
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sodium (34)
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alkaline earth metals
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barium (8)
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beryllium (2)
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calcium
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Mg/Ca (2)
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magnesium
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Mg/Ca (2)
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radium
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Ra-226 (2)
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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 (51)
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antimony (8)
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arsenic (29)
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cadmium (19)
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chromium
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Cr-53/Cr-52 (1)
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cobalt
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Co-60 (1)
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copper (57)
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gallium (3)
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germanium (2)
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gold (17)
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hafnium (2)
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iron
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Fe-54 (1)
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Fe-56 (2)
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Fe-56/Fe-54 (8)
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Fe-57 (2)
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Fe-57/Fe-54 (1)
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ferric iron (20)
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lead
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Pb-206/Pb-204 (11)
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Pb-207/Pb-204 (9)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (8)
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Pb-208/Pb-206 (1)
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Pb-210 (14)
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U-238/Pb-206 (1)
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manganese (34)
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molybdenum (31)
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nickel (29)
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niobium (1)
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platinum group
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iridium (6)
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osmium
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Os-187/Os-186 (1)
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Os-188/Os-187 (11)
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Re-187/Os-188 (4)
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palladium (9)
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polonium (1)
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Nd-144/Nd-143 (1)
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samarium (2)
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ytterbium (2)
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rhenium
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Re-187/Os-188 (4)
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silver (6)
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technetium
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thallium (1)
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tin (1)
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vanadium (21)
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zinc (27)
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zirconium (6)
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nitrogen
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N-15 (3)
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N-15/N-14 (52)
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organic nitrogen (7)
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noble gases
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argon
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Ar-36 (2)
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Ar-40 (1)
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Ar-40/Ar-36 (7)
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Ar-40/Ar-39 (2)
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helium
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He-3 (2)
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He-4 (3)
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He-4/He-3 (15)
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krypton
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Kr-84 (2)
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neon
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Ne-20 (2)
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Ne-21 (2)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (3)
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radon
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Rn-222 (2)
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xenon
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Xe-132 (1)
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-
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oxygen
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dissolved oxygen (15)
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O-17/O-16 (2)
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O-18 (2)
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O-18/O-16 (277)
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phosphorus
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organic phosphorus (1)
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selenium (5)
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short-lived isotopes (1)
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silicon
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Si-29 (1)
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Si-30/Si-28 (1)
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sulfur
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organic sulfur (12)
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S-33/S-32 (1)
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S-34/S-32 (107)
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S-36 (1)
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tellurium (1)
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trace metals (33)
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fossils
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Archaea (15)
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bacteria
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Bacillus
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Chordata
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Tetrapoda
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Aves
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Galliformes (2)
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Mammalia
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Theria
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Artiodactyla
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Ruminantia
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Bovidae
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Bison
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Bison occidentalis (1)
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Bos (2)
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Cervidae
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Cervus
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Cervus elaphus (1)
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Rangifer (1)
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Carnivora (1)
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Cetacea (2)
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Perissodactyla
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Ceratomorpha
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Rhinocerotidae
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Rhinoceros (1)
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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 (2)
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simians
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Pongidae
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Proconsul (1)
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Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus (1)
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Mastodontoidea (1)
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Rodentia
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Cricetidae
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Microtus (1)
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Reptilia
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Diapsida
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Archosauria
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Crocodilia
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Crocodylidae (1)
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dinosaurs
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Ornithischia
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Ceratopsidae
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Triceratops (1)
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Saurischia
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Sauropodomorpha
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Sauropoda (1)
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Pterosauria (1)
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Ichthyosauria
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Ichthyosaurus (1)
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Sauropterygia
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Synapsida
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coprolites (5)
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Graptolithina
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Hemichordata (6)
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Invertebrata
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Insecta
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Exopterygota
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Orthoptera (1)
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Palaeoptera
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Trilobitomorpha
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Trilobita
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Odontopleurida (1)
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Brachiopoda
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Articulata
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Terebratulida (5)
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Bryozoa
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Cnidaria
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Hydrozoa (1)
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Echinodermata
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Mollusca
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Bivalvia
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Vesicomyidae
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Mytilus (2)
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Pterioida
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Pectinacea
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Pectinidae (1)
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Solemyida (1)
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Cephalopoda
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Ammonites (19)
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Coleoidea
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Nautiloidea
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Gastropoda
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Archaeogastropoda (2)
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Pulmonata
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Porifera
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Protista
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Rotaliina
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Cassidulinacea
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Anomalinidae
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Cibicidoides
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Cibicidoides wuellerstorfi (3)
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Cassidulina (1)
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Globigerinacea
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Globigerina bulloides (3)
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Globigerinoides
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Orbulina
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Orbulina universa (1)
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Globorotaliidae
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Globorotalia inflata (2)
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Globorotalia menardii (2)
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Neogloboquadrina
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Neogloboquadrina dutertrei (2)
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Rotalipora (2)
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Orbitoidacea
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Elphidium
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Heterostegina
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Nummulitidae (1)
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Textulariina
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Lituolacea
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Ammobaculites (1)
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Radiolaria (31)
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Silicoflagellata (3)
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Vermes
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problematic microfossils (6)
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pollen (50)
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Plantae
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calcareous algae (1)
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-
Botryococcus (2)
-
Charophyta (1)
-
Tasmanites (3)
-
-
Coccolithophoraceae
-
Coccolithus (4)
-
Emiliania
-
Emiliania huxleyi (1)
-
-
-
diatoms (48)
-
nannofossils
-
Discoasteridae (1)
-
-
Phaeophyta (1)
-
Rhodophyta (1)
-
-
Bryophyta
-
Musci
-
Sphagnum (2)
-
-
-
Pteridophyta
-
Lycopsida
-
Sigillaria (1)
-
-
Sphenopsida
-
Equisetales
-
Calamites (1)
-
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Acer (1)
-
Quercus (1)
-
-
Monocotyledoneae
-
Commelinidae (1)
-
Gramineae (1)
-
-
-
Gymnospermae
-
Bennettitales (1)
-
Coniferae (2)
-
Coniferales
-
Araucariaceae
-
Araucaria (1)
-
-
Picea
-
Picea glauca (1)
-
-
Pinaceae
-
Pinus (1)
-
-
Taxodiaceae
-
Metasequoia (2)
-
-
-
Glossopteridales
-
Gangamopteris (1)
-
-
Pteridospermae (2)
-
-
-
-
problematic fossils
-
problematic microfossils (6)
-
-
prokaryotes (7)
-
Pterobranchia (6)
-
thallophytes (45)
-
tracks (1)
-
trails (1)
-
-
geochronology methods
-
(U-Th)/He (3)
-
Ar/Ar (12)
-
exposure age (4)
-
fission-track dating (5)
-
K/Ar (9)
-
optical mineralogy (2)
-
optically stimulated luminescence (3)
-
paleomagnetism (44)
-
Pb/Pb (6)
-
racemization (46)
-
radiation damage (4)
-
Rb/Sr (6)
-
Re/Os (9)
-
sclerochronology (1)
-
Sm/Nd (1)
-
Sr/Sr (3)
-
tephrochronology (5)
-
Th/Th (1)
-
Th/U (10)
-
thermochronology (6)
-
thermoluminescence (6)
-
tree rings (5)
-
U/Pb (28)
-
U/Th/Pb (1)
-
uranium disequilibrium (6)
-
-
geologic age
-
Cenozoic
-
Agbada Formation (4)
-
Bakhtiari Formation (1)
-
Bronze Age (2)
-
Koobi Fora Formation (1)
-
lower Cenozoic (2)
-
middle Cenozoic (1)
-
Omo Group (1)
-
Quaternary
-
Holocene
-
Boreal (1)
-
lower Holocene (11)
-
Medieval Warm Period (1)
-
Middle Ages (2)
-
middle Holocene (3)
-
Neoglacial
-
Little Ice Age (5)
-
-
Neolithic (3)
-
Preboreal (1)
-
Subboreal (1)
-
upper Holocene
-
Little Ice Age (5)
-
Roman period (1)
-
-
-
Kazusa Group (1)
-
Pleistocene
-
Bishop Tuff (1)
-
Lake Agassiz (2)
-
Lake Chicago (2)
-
Lake Lahontan (2)
-
Lake Maumee (1)
-
lower Pleistocene
-
Calabrian (1)
-
-
Matuyama Chron (1)
-
middle Pleistocene (3)
-
Peoria Loess (1)
-
Presumpscot Formation (1)
-
upper Pleistocene
-
Eemian (1)
-
Lake Lisan (1)
-
Sangamonian (3)
-
Sartanian (1)
-
Weichselian
-
upper Weichselian
-
Allerod (4)
-
Bolling (4)
-
Older Dryas (1)
-
Younger Dryas (8)
-
-
-
Wisconsinan
-
lower Wisconsinan (3)
-
upper Wisconsinan (3)
-
-
Wurm (1)
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
-
-
Shungura Formation (1)
-
Siwalik System (2)
-
Stone Age
-
Neolithic (3)
-
Paleolithic (1)
-
-
Tertiary
-
Asmari Formation (1)
-
Esna Shale (1)
-
John Day Formation (1)
-
Lincoln Creek Formation (3)
-
lower Tertiary
-
Taishu Group (1)
-
-
Maikop Series (8)
-
Neogene
-
Ipururo Formation (1)
-
Miocene
-
Antelope Shale (1)
-
Barstow Formation (3)
-
Columbia River Basalt Group (2)
-
Guantao Formation (7)
-
lower Miocene
-
Saucesian (1)
-
-
middle Miocene
-
Badenian (2)
-
Luisian (2)
-
Serravallian (1)
-
-
Mohnian (2)
-
Relizian (1)
-
Stevens Sandstone (1)
-
Surma Group (2)
-
Topopah Spring Member (1)
-
upper Miocene
-
Messinian
-
Messinian Salinity Crisis (1)
-
-
Pannonian (1)
-
Puente Formation (1)
-
Santa Margarita Formation (1)
-
Tortonian (1)
-
-
-
Ogallala Formation (1)
-
Pliocene
-
lower Pliocene (4)
-
middle Pliocene (1)
-
upper Pliocene (1)
-
-
Ridge Route Formation (1)
-
Sisquoc Formation (3)
-
upper Neogene (1)
-
-
Paleogene
-
Dongying Formation (9)
-
Eocene
-
Absaroka Supergroup (1)
-
Green River Formation (29)
-
lower Eocene
-
Hatchetigbee Formation (1)
-
Thebes Formation (2)
-
Willwood Formation (3)
-
Wind River Formation (1)
-
Ypresian (6)
-
-
middle Eocene
-
Bartonian (1)
-
Carrizo Sand (1)
-
Claiborne Group (2)
-
Cook Mountain Formation (1)
-
Laney Shale Member (1)
-
Lutetian (2)
-
Queen City Formation (1)
-
Santee Limestone (1)
-
Sparta Sand (2)
-
Tyee Formation (1)
-
Yegua Formation (2)
-
-
Mission Valley Formation (1)
-
upper Eocene
-
Dry Branch Formation (1)
-
Jackson Group (3)
-
La Meseta Formation (1)
-
Priabonian (1)
-
Tejon Formation (1)
-
Uinta Formation (1)
-
Yazoo Clay (1)
-
-
Wilkins Peak Member (3)
-
-
Ghost Rocks Formation (1)
-
Kapuni Group (1)
-
Kenai Group (1)
-
lower Paleogene (3)
-
Oligocene
-
Bembridge Marls (1)
-
Boom Clay (2)
-
Brule Formation (1)
-
Fontainebleau Sandstone (1)
-
Frio Formation (5)
-
lower Oligocene (9)
-
middle Oligocene (1)
-
upper Oligocene (6)
-
-
Paleocene
-
Clayton Formation (2)
-
lower Paleocene
-
Danian (6)
-
K-T boundary (13)
-
-
middle Paleocene
-
Selandian (3)
-
-
Midway Group (1)
-
Porters Creek Formation (2)
-
Ravenscrag Formation (1)
-
upper Paleocene
-
Thanetian (4)
-
-
-
Paleocene-Eocene Thermal Maximum (20)
-
Tyonek Formation (3)
-
Wasatch Formation (4)
-
White River Group (1)
-
Wilcox Group (6)
-
-
Shahejie Formation (31)
-
upper Tertiary (2)
-
Vaqueros Formation (1)
-
Zambales Ophiolite (1)
-
-
upper Cenozoic
-
Gubik Formation (1)
-
-
-
Coal Measures (3)
-
Dalradian (2)
-
Lake Bonneville (3)
-
Laurentide ice sheet (5)
-
Mesozoic
-
Carrara Marble (1)
-
Cretaceous
-
Asu River Group (1)
-
Chatsworth Formation (1)
-
Colorado Group (9)
-
Comanchean
-
Buda Limestone (7)
-
Glen Rose Formation (1)
-
Pearsall Formation (2)
-
Rodessa Formation (1)
-
Travis Peak Formation (2)
-
-
Dakota Formation (5)
-
Graneros Shale (3)
-
Hue Shale (3)
-
Judea Group (1)
-
Kuskokwim Group (1)
-
Logan Canyon Formation (3)
-
Lower Cretaceous
-
Agrio Formation (5)
-
Albian
-
lower Albian (3)
-
upper Albian (5)
-
-
Aptian
-
lower Aptian (4)
-
Shuaiba Formation (2)
-
-
Barremian (8)
-
Bear River Formation (1)
-
Berriasian (13)
-
Blackleaf Formation (1)
-
Bluesky Formation (1)
-
Burro Canyon Formation (1)
-
Cadomin Formation (1)
-
Christopher Formation (2)
-
Clearwater Formation (1)
-
Gething Formation (4)
-
Glen Rose Formation (1)
-
Hauterivian (6)
-
Lagoa Feia Formation (3)
-
Mannville Group (14)
-
McMurray Formation (7)
-
Missisauga Formation (2)
-
Moosebar Formation (1)
-
Mowry Shale (10)
-
Muddy Sandstone (4)
-
Muderong Shale (1)
-
Neocomian (5)
-
Pearsall Formation (2)
-
Pebble Shale (3)
-
Rodessa Formation (1)
-
Skull Creek Shale (2)
-
Thamama Group (1)
-
Torok Formation (2)
-
Travis Peak Formation (2)
-
Valanginian (11)
-
Yingcheng Formation (1)
-
Zubair Formation (1)
-
-
Lower Greensand (1)
-
Mancos Shale (7)
-
Middle Cretaceous (21)
-
Nanushuk Group (3)
-
Natih Formation (3)
-
Nenjiang Formation (4)
-
Potomac Group (2)
-
Qingshankou Formation (8)
-
Shiranish Formation (1)
-
Toolebuc Formation (1)
-
Upper Cretaceous
-
Belle Fourche Shale (3)
-
Belly River Formation (3)
-
Black Creek Formation (1)
-
Blackhawk Formation (2)
-
Bridge Creek Limestone Member (1)
-
Buda Limestone (7)
-
Campanian
-
Dinosaur Park Formation (1)
-
lower Campanian (1)
-
upper Campanian (1)
-
-
Carlile Shale (7)
-
Cenomanian
-
Dunvegan Formation (1)
-
upper Cenomanian (2)
-
-
Codell Sandstone Member (2)
-
Cody Shale (2)
-
Colville Group (1)
-
Coniacian (7)
-
Duwi Formation (2)
-
Eagle Sandstone (2)
-
Eutaw Formation (1)
-
Ferron Sandstone Member (1)
-
Fort Hays Limestone Member (3)
-
Fox Hills Formation (1)
-
Frontier Formation (4)
-
Fruitland Formation (4)
-
Gallup Sandstone (1)
-
Ghareb Formation (3)
-
Greenhorn Limestone (5)
-
Gulfian
-
Aguja Formation (1)
-
Austin Chalk (10)
-
Eagle Ford Formation (60)
-
Woodbine Formation (3)
-
-
Hell Creek Formation (1)
-
Holz Shale (1)
-
Honna Formation (1)
-
Horseshoe Canyon Formation (2)
-
Judith River Formation (1)
-
Kanguk Formation (1)
-
K-T boundary (13)
-
La Luna Formation (5)
-
Ladd Formation (1)
-
Lance Formation (2)
-
Lewis Shale (2)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Mesaverde Group (5)
-
Milk River Formation (1)
-
Moreno Formation (2)
-
Neuquen Group (3)
-
Niobrara Formation (22)
-
Oldman Formation (1)
-
Pakawau Group (1)
-
Pictured Cliffs Sandstone (2)
-
Pierre Shale (9)
-
Rosario Formation (1)
-
Santonian (9)
-
Senonian (22)
-
Shannon Sandstone Member (1)
-
Sharon Springs Member (2)
-
Smoky Hill Chalk Member (5)
-
Tropic Shale (2)
-
Turonian
-
lower Turonian (1)
-
upper Turonian (2)
-
-
Tuscaloosa Formation (4)
-
Williams Fork Formation (4)
-
Wyandot Formation (1)
-
-
Viking Formation (2)
-
Vraconian (1)
-
Whitemud Formation (1)
-
Yezo Group (4)
-
-
Franciscan Complex (5)
-
Great Valley Sequence (2)
-
Jurassic
-
Arapien Shale (1)
-
Bazhenov Formation (27)
-
Carmel Formation (2)
-
Coast Range Ophiolite (1)
-
Fernie Formation (2)
-
Ferrar Group (4)
-
Heather Formation (5)
-
Kingak Shale (7)
-
Lower Jurassic
-
Feltville Formation (1)
-
Hettangian (2)
-
lower Liassic (2)
-
middle Liassic (4)
-
Nordegg Member (5)
-
Pliensbachian (14)
-
Portland Formation (1)
-
Sinemurian (1)
-
Toarcian
-
lower Toarcian (9)
-
-
Triassic-Jurassic boundary (7)
-
upper Liassic (21)
-
-
Mic Mac Formation (1)
-
Middle Jurassic
-
Aalenian (2)
-
Bajocian
-
Brent Group (2)
-
Etive Formation (1)
-
Yakoun Group (1)
-
-
Bathonian (5)
-
Callovian (13)
-
Dogger (1)
-
Xishanyao Formation (1)
-
-
Norphlet Formation (1)
-
Oxford Clay (9)
-
Posidonia Shale (6)
-
Twin Creek Limestone (2)
-
Upper Jurassic
-
Arab Formation (1)
-
Bossier Formation (5)
-
Bowser Lake Group (1)
-
Brushy Basin Member (3)
-
Entrada Sandstone (1)
-
Fulmar Formation (2)
-
Hanifa Formation (5)
-
Haynesville Formation (16)
-
Kimmeridge Clay (26)
-
Kimmeridgian (22)
-
Morrison Formation (10)
-
Oxfordian
-
lower Oxfordian (1)
-
-
Portlandian (8)
-
Salt Wash Sandstone Member (1)
-
Smackover Formation (7)
-
Tithonian (20)
-
Volgian (7)
-
Westwater Canyon Sandstone Member (1)
-
-
-
Kunga Group (2)
-
Mist Mountain Formation (1)
-
Navajo Sandstone (4)
-
Newark Supergroup (4)
-
Nugget Sandstone (3)
-
Pucara Group (1)
-
Sandilands Formation (4)
-
Triassic
-
Charlie Lake Formation (1)
-
Liard Formation (1)
-
Lower Triassic
-
Bunter (2)
-
Dinwoody Formation (1)
-
Induan (1)
-
Permian-Triassic boundary (27)
-
Smithian (1)
-
Spathian (2)
-
Thaynes Formation (1)
-
-
Middle Triassic
-
Anisian (4)
-
Doig Formation (12)
-
Ladinian (2)
-
Muschelkalk (1)
-
-
Moenkopi Formation (1)
-
Montney Formation (19)
-
Sherwood Sandstone (2)
-
Shublik Formation (11)
-
Upper Triassic
-
Baldonnel Formation (2)
-
Carnian (4)
-
Chinle Formation (2)
-
Keuper (2)
-
Lockatong Formation (1)
-
Mercia Mudstone (1)
-
Norian (8)
-
Pardonet Formation (2)
-
Rhaetian (5)
-
Sag River Sandstone (1)
-
Stormberg Series (1)
-
Triassic-Jurassic boundary (7)
-
Yanchang Formation (28)
-
-
-
upper Mesozoic (3)
-
Vaca Muerta Formation (31)
-
Yanshanian (4)
-
-
MIS 2 (1)
-
Moldanubian (1)
-
Paleozoic
-
Arbuckle Group (1)
-
Berea Sandstone (8)
-
Cambrian
-
Lower Cambrian
-
Atdabanian (1)
-
Gog Group (1)
-
Terreneuvian
-
Fortunian (1)
-
-
Tommotian (2)
-
-
Middle Cambrian
-
Barrandian (2)
-
Bright Angel Shale (1)
-
Burgess Shale (3)
-
Wheeler Formation (1)
-
-
Pioche Shale (1)
-
Tapeats Sandstone (1)
-
Upper Cambrian
-
Bonneterre Formation (4)
-
Copper Ridge Dolomite (1)
-
Eau Claire Formation (1)
-
Furongian (2)
-
Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Albert Formation (7)
-
Amsden Formation (1)
-
Benxi Formation (2)
-
Huanglong Formation (2)
-
Jackfork Group (4)
-
Lower Carboniferous
-
Dinantian (22)
-
-
Mississippian
-
Barnett Shale (44)
-
Bear Gulch Limestone Member (1)
-
Boone Formation (1)
-
Chainman Shale (3)
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Kekiktuk Conglomerate (1)
-
Kinderhookian
-
Banff Formation (1)
-
-
Lodgepole Formation (8)
-
Osagian
-
Burlington Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian (8)
-
-
Macumber Formation (3)
-
Madison Group (9)
-
Middle Mississippian
-
Visean
-
upper Visean (2)
-
-
-
Mission Canyon Limestone (2)
-
Stanley Group (2)
-
Sunbury Shale (5)
-
Upper Mississippian
-
Chesterian
-
Golconda Formation (1)
-
-
Fayetteville Formation (4)
-
Heath Formation (1)
-
Meramecian (2)
-
Serpukhovian (1)
-
Tuscumbia Limestone (1)
-
-
Windsor Group (7)
-
-
Namurian (3)
-
Pennsylvanian
-
Excello Shale (1)
-
Herrin Coal Member (1)
-
Kittanning Formation (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Morrowan (2)
-
New River Formation (1)
-
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Atokan
-
Atoka Formation (5)
-
-
Carbondale Formation (1)
-
Desmoinesian
-
Cherokee Group (2)
-
Marmaton Group (2)
-
-
Moscovian (3)
-
Paradox Formation (2)
-
Staunton Formation (1)
-
-
Monongahela Group (1)
-
Morrow Formation (4)
-
Pottsville Group (1)
-
Red Fork Sandstone (1)
-
Smithwick Shale (2)
-
Springfield Coal Member (2)
-
Strawn Series (1)
-
Upper Pennsylvanian
-
Cisco Group (1)
-
Gzhelian (1)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (1)
-
-
Virgilian
-
Shawnee Group (1)
-
-
-
-
Springer Formation (2)
-
Upper Carboniferous
-
Millstone Grit (2)
-
Stephanian (3)
-
Westphalian (10)
-
-
-
Catskill Formation (2)
-
Chattanooga Shale (5)
-
Cow Head Group (1)
-
Devonian
-
Beaverhill Lake Group (1)
-
Hunsruck Shale (1)
-
Keg River Formation (4)
-
Lower Devonian
-
Emsian (1)
-
Oriskany Sandstone (4)
-
Pragian (1)
-
York River Formation (1)
-
-
Middle Devonian
-
Dundee Limestone (1)
-
Eifelian (3)
-
Elk Point Group (3)
-
Givetian (5)
-
Hamilton Group (4)
-
Mahantango Formation (2)
-
Marcellus Shale (33)
-
Nahanni Formation (2)
-
Onondaga Limestone (1)
-
Prairie Evaporite (2)
-
Winnipegosis Formation (4)
-
-
Old Red Sandstone (1)
-
Ramparts Formation (2)
-
Slave Point Formation (1)
-
Swan Hills Formation (1)
-
Traverse Group (1)
-
Upper Devonian
-
Birdbear Formation (1)
-
Canadaway Group (1)
-
Chemung Formation (3)
-
Cleveland Member (3)
-
Domanik Formation (5)
-
Duperow Formation (1)
-
Famennian
-
lower Famennian (1)
-
upper Famennian (1)
-
-
Frasnian
-
Leduc Formation (6)
-
lower Frasnian (1)
-
-
Grosmont Formation (8)
-
Huron Member (8)
-
Jefferson Group (1)
-
Kellwasser event (5)
-
Nisku Formation (3)
-
Ohio Shale (17)
-
Olentangy Shale (2)
-
West Falls Formation (1)
-
-
-
Earn Group (2)
-
Endicott Group (1)
-
Exshaw Formation (9)
-
Hanson Creek Formation (1)
-
Helderberg Group (2)
-
Honaker Trail Formation (1)
-
Horton Group (4)
-
Hunton Group (4)
-
Knox Group (4)
-
Lisburne Group (6)
-
lower Paleozoic
-
Cape Phillips Formation (2)
-
Rose Run Sandstone (3)
-
-
middle Paleozoic (4)
-
Minnelusa Formation (1)
-
New Albany Shale (20)
-
Ordovician
-
Eureka Quartzite (1)
-
Gull River Formation (1)
-
Lexington Limestone (1)
-
Lower Ordovician
-
Arenigian (1)
-
Beekmantown Group (4)
-
Ellenburger Group (3)
-
Mascot Dolomite (1)
-
Saint George Group (1)
-
Tremadocian
-
Halifax Formation (1)
-
-
-
Lushs Bight Group (1)
-
Middle Ordovician
-
Black River Group (5)
-
Cloridorme Formation (1)
-
Decorah Shale (1)
-
Galena Dolomite (1)
-
Glenwood Shale (1)
-
Lenoir Limestone (1)
-
Llanvirnian (2)
-
Platteville Formation (2)
-
Saint Peter Sandstone (2)
-
Simpson Group (2)
-
-
Trenton Group (11)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (2)
-
Caradocian (3)
-
Cincinnatian (1)
-
Hirnantian (5)
-
Katian (2)
-
Maquoketa Formation (3)
-
Mohawkian (1)
-
Red River Formation (5)
-
Trentonian (6)
-
Wufeng Formation (28)
-
Yeoman Formation (2)
-
-
Utica Shale (14)
-
Vinini Formation (1)
-
Viola Limestone (3)
-
-
Permian
-
Chase Group (1)
-
Cutler Formation (1)
-
Ecca Group (11)
-
Echooka Formation (1)
-
Gharif Formation (2)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitanian (4)
-
Cherry Canyon Formation (1)
-
Grayburg Formation (2)
-
Queen Formation (1)
-
Seven Rivers Formation (1)
-
Tansill Formation (1)
-
-
Hennessey Formation (2)
-
Irati Formation (2)
-
Kaibab Formation (1)
-
Kamthi Formation (1)
-
Khuff Formation (3)
-
Longtan Formation (3)
-
Lower Permian
-
Al Khlata Formation (2)
-
Autunian (2)
-
Barakar Stage (1)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Artinskian (1)
-
Asselian (1)
-
Kungurian (1)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (3)
-
Leonardian
-
Bone Spring Limestone (4)
-
-
Qixia Formation (1)
-
Wolfcampian (22)
-
-
Lyons Sandstone (4)
-
Maokou Formation (4)
-
Meade Peak Member (4)
-
Middle Permian (5)
-
Park City Formation (1)
-
Phosphoria Formation (10)
-
Retort Phosphatic Shale Member (1)
-
Rotliegendes (8)
-
Shihezi Formation (2)
-
Unayzah Formation (2)
-
Upper Permian
-
Changxing Formation (1)
-
Lopingian
-
Changhsingian (2)
-
-
Permian-Triassic boundary (27)
-
Raniganj Formation (1)
-
Salado Formation (1)
-
Zechstein (12)
-
-
Vryheid Formation (2)
-
Wellington Formation (3)
-
Whitehill Formation (5)
-
Yates Formation (1)
-
-
Pilot Shale (2)
-
Road River Formation (1)
-
Sauk Sequence (2)
-
Silurian
-
Lower Silurian
-
Llandovery
-
Aeronian (3)
-
Rhuddanian (3)
-
Telychian (2)
-
-
Qalibah Formation (1)
-
Tuscarora Formation (1)
-
Wenlock
-
Sheinwoodian (1)
-
-
-
Middle Silurian
-
Clinton Group (3)
-
Guelph Formation (1)
-
Racine Dolomite (1)
-
Roberts Mountains Formation (1)
-
-
Niagaran (5)
-
Sangerville Formation (1)
-
Upper Silurian
-
Cayugan (1)
-
Ludlow
-
Gorstian (1)
-
Ludfordian (1)
-
-
Pridoli (2)
-
Salina Group (3)
-
-
Vassalboro Formation (1)
-
Waterville Formation (1)
-
-
Taiyuan Formation (3)
-
Tensleep Sandstone (3)
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Antrim Shale (9)
-
Bakken Formation (40)
-
Copacabana Group (1)
-
Dwyka Formation (6)
-
Kaskaskia Sequence (2)
-
Shanxi Formation (5)
-
Tarma Group (1)
-
-
Weber Sandstone (2)
-
Woodford Shale (34)
-
-
Phanerozoic (40)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
Eoarchean (1)
-
Mesoarchean (4)
-
Neoarchean (12)
-
Paleoarchean (8)
-
Warrawoona Group (3)
-
-
Brockman Iron Formation (1)
-
Central Rand Group (3)
-
Chuar Group (5)
-
Fortescue Group (3)
-
Gunflint Iron Formation (2)
-
Hadean (9)
-
Hamersley Group (1)
-
Johnnie Formation (1)
-
Nonesuch Shale (2)
-
Onverwacht Group (1)
-
Transvaal Supergroup (5)
-
Uinta Mountain Group (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (2)
-
Great Oxidation Event (6)
-
Huronian
-
Onaping Formation (1)
-
-
Isan Orogeny (1)
-
Keweenawan
-
Copper Harbor Conglomerate (3)
-
-
Mesoproterozoic
-
Revett Quartzite (1)
-
Roper Group (4)
-
Wumishan Formation (1)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Dengying Formation (5)
-
Doushantuo Formation (8)
-
Ediacaran (18)
-
Infracambrian (1)
-
Marinoan (2)
-
Nantuo Formation (1)
-
Otavi Group (2)
-
Riphean (12)
-
Tonian (4)
-
upper Sinian (1)
-
Vendian (27)
-
-
Paleoproterozoic
-
Birimian (1)
-
Francevillian (2)
-
Hemlock Formation (1)
-
Urquhart Shale (1)
-
-
Sinian
-
Dengying Formation (5)
-
Doushantuo Formation (8)
-
Nantuo Formation (1)
-
upper Sinian (1)
-
Wumishan Formation (1)
-
-
Windermere System (1)
-
-
-
Ventersdorp Supergroup (2)
-
Witwatersrand Supergroup (6)
-
-
Vindhyan (2)
-
-
igneous rocks
-
agglutinates (1)
-
igneous rocks
-
carbonatites (5)
-
hypabyssal rocks (1)
-
kimberlite (11)
-
plutonic rocks
-
anorthosite (1)
-
diabase
-
tholeiitic dolerite (1)
-
-
diorites (1)
-
gabbros
-
troctolite (1)
-
-
granites
-
biotite granite (1)
-
leucogranite (2)
-
monzogranite (1)
-
-
granodiorites (4)
-
pegmatite (6)
-
quartz monzonite (1)
-
syenites
-
nepheline syenite (2)
-
-
ultramafics
-
chromitite (5)
-
peridotites
-
dunite (1)
-
garnet lherzolite (1)
-
harzburgite (1)
-
lherzolite (1)
-
-
pyroxenite
-
websterite (1)
-
-
-
-
porphyry (3)
-
volcanic rocks
-
andesites (8)
-
basalts
-
flood basalts (12)
-
mid-ocean ridge basalts (2)
-
olivine basalt (1)
-
tholeiitic basalt (1)
-
trap rocks (5)
-
-
glasses
-
perlite (1)
-
volcanic glass (4)
-
-
phonolites (1)
-
pyroclastics
-
ignimbrite (3)
-
pumice (3)
-
rhyolite tuff (1)
-
tuff (15)
-
welded tuff (1)
-
-
rhyolites (4)
-
trachyandesites (1)
-
trachytes (1)
-
-
-
ophiolite (8)
-
volcanic ash (15)
-
-
metamorphic rocks
-
metamorphic rocks
-
cataclasites (1)
-
eclogite (8)
-
fulgurite (1)
-
gneisses
-
paragneiss (1)
-
-
granulites
-
kinzigite (1)
-
-
hornfels (3)
-
impactites (2)
-
marbles (5)
-
metaigneous rocks
-
metagabbro (1)
-
metaperidotite (1)
-
serpentinite (10)
-
-
metasedimentary rocks
-
metaconglomerate (1)
-
metapelite (4)
-
metasandstone (1)
-
metasiltstone (1)
-
paragneiss (1)
-
shungite (2)
-
-
metasomatic rocks
-
greisen
-
beresite (1)
-
-
serpentinite (10)
-
skarn (11)
-
-
metavolcanic rocks (2)
-
migmatites (2)
-
mylonites
-
pseudotachylite (2)
-
-
phyllites (4)
-
quartzites (3)
-
schists
-
biotite schist (1)
-
greenschist (1)
-
greenstone (2)
-
muscovite schist (1)
-
-
slates (5)
-
-
ophiolite (8)
-
turbidite (49)
-
-
meteorites
-
meteorites
-
Allan Hills Meteorites (1)
-
Elephant Moraine Meteorites (1)
-
Graves Nunataks Meteorites (1)
-
LaPaz Icefield Meteorites (1)
-
micrometeorites (6)
-
stony meteorites
-
achondrites
-
Martian meteorites (1)
-
-
chondrites
-
carbonaceous chondrites
-
CI chondrites
-
Orgueil Meteorite (1)
-
-
CM chondrites
-
Murchison Meteorite (3)
-
-
CR chondrites
-
Renazzo Meteorite (2)
-
-
CV chondrites
-
Allende Meteorite (1)
-
-
Tagish Lake Meteorite (3)
-
-
ordinary chondrites
-
H chondrites
-
Tieschitz Meteorite (1)
-
-
-
-
-
-
-
minerals
-
alloys
-
carbides
-
moissanite (3)
-
-
electrum (1)
-
nitrides (4)
-
phosphides (1)
-
silicides (1)
-
-
arsenates
-
austinite (1)
-
beudantite (1)
-
scorodite (1)
-
-
arsenides
-
arsenopyrite (5)
-
lollingite (1)
-
-
arsenites (2)
-
borates (1)
-
carbonates
-
ankerite (7)
-
aragonite (33)
-
azurite (2)
-
calcite (149)
-
cancrinite (1)
-
cerussite (1)
-
dawsonite (1)
-
dolomite (54)
-
hydrotalcite (6)
-
Iceland spar (1)
-
ikaite (3)
-
kutnohorite (1)
-
magnesian calcite (3)
-
magnesite (4)
-
malachite (3)
-
monohydrocalcite (1)
-
nahcolite (2)
-
pyroaurite (1)
-
rhodochrosite (2)
-
siderite (15)
-
vaterite (1)
-
witherite (4)
-
-
copper minerals (1)
-
halides
-
bromides (1)
-
chlorides
-
halite (11)
-
sylvite (2)
-
-
fluorides
-
clinohumite (1)
-
fluorite (5)
-
topaz (1)
-
-
-
hydrates (39)
-
iron minerals (5)
-
minerals (164)
-
molybdates (1)
-
native elements
-
diamond
-
microdiamond (2)
-
-
fullerene (2)
-
graphite (35)
-
-
nitrates (3)
-
onyx (1)
-
organic minerals
-
amber (4)
-
ozocerite (1)
-
urea (2)
-
-
oxalates
-
weddellite (3)
-
whewellite (4)
-
-
oxides
-
akaganeite (1)
-
aluminum oxides (7)
-
anatase (4)
-
bayerite (1)
-
birnessite (2)
-
boehmite (3)
-
brannerite (2)
-
brookite (1)
-
brucite (3)
-
buserite (2)
-
cassiterite (4)
-
chromite (1)
-
corundum (5)
-
diaspore (1)
-
ferrihydrite (10)
-
gibbsite (6)
-
goethite (13)
-
hausmannite (1)
-
hematite (23)
-
hibonite (2)
-
hydroxides
-
aluminum hydroxides (4)
-
iron hydroxides (5)
-
oxyhydroxides (11)
-
-
ilmenite (3)
-
iron oxides (35)
-
lepidocrocite (2)
-
limonite (1)
-
maghemite (2)
-
magnesium oxides (1)
-
magnetite (21)
-
manganese oxides (6)
-
manganite (1)
-
niobates
-
columbite (1)
-
-
periclase (1)
-
portlandite (1)
-
rutile (6)
-
spinel (4)
-
tantalates
-
tantalite (1)
-
-
thorianite (1)
-
titanium oxides (7)
-
uraninite (12)
-
-
phosphates
-
apatite (27)
-
autunite (1)
-
brushite (1)
-
fluorapatite (1)
-
francolite (1)
-
hydroxylapatite (5)
-
monazite (3)
-
struvite (2)
-
vivianite (4)
-
-
silicates
-
aluminosilicates (6)
-
asbestos (2)
-
borosilicates (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
cummingtonite (1)
-
grunerite (1)
-
hornblende (2)
-
-
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
diopside (3)
-
-
-
tobermorite (1)
-
wollastonite group
-
wollastonite (1)
-
-
-
framework silicates
-
cancrinite (1)
-
feldspar group
-
alkali feldspar
-
K-feldspar (8)
-
microcline (2)
-
-
plagioclase
-
albite (6)
-
labradorite (1)
-
-
-
nepheline group
-
nepheline (2)
-
-
scapolite group (3)
-
silica minerals
-
agate (1)
-
chalcedony (1)
-
coesite (2)
-
cristobalite (1)
-
jasper (1)
-
melanophlogite (3)
-
moganite (1)
-
opal
-
opal-A (4)
-
opal-CT (3)
-
-
quartz (108)
-
-
sodalite group
-
hauyne (1)
-
lazurite (1)
-
-
zeolite group
-
analcime (2)
-
clinoptilolite (3)
-
heulandite (1)
-
laumontite (2)
-
phillipsite (1)
-
-
-
kenyaite (1)
-
magnesian silicates (2)
-
orthosilicates
-
nesosilicates
-
clinohumite (1)
-
euclase (1)
-
garnet group
-
grossular (1)
-
pyrope (1)
-
uvarovite (1)
-
-
olivine group
-
fayalite (1)
-
olivine (9)
-
-
topaz (1)
-
zircon group
-
coffinite (2)
-
thorite (1)
-
zircon (15)
-
-
-
sorosilicates
-
bertrandite (2)
-
hemimorphite (1)
-
-
-
ring silicates
-
beryl (2)
-
cordierite (3)
-
emerald (4)
-
tourmaline group
-
dravite (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chamosite (1)
-
chlorite (29)
-
-
clay minerals
-
allophane (8)
-
beidellite (5)
-
chrysocolla (1)
-
dickite (1)
-
halloysite (17)
-
hectorite (15)
-
imogolite (5)
-
kaolinite (124)
-
montmorillonite (206)
-
nacrite (2)
-
nontronite (14)
-
saponite (6)
-
smectite (139)
-
stevensite (3)
-
vermiculite (25)
-
-
corrensite (3)
-
hydrobiotite (1)
-
illite (108)
-
magadiite (6)
-
mica group
-
biotite (7)
-
celadonite (1)
-
fluor-phlogopite (1)
-
glauconite (8)
-
muscovite (7)
-
paragonite (1)
-
phengite (1)
-
-
palygorskite (19)
-
pyrophyllite (4)
-
rectorite (4)
-
sepiolite (20)
-
sericite (4)
-
serpentine group
-
antigorite (2)
-
lizardite (1)
-
serpentine (1)
-
-
talc (2)
-
-
-
sulfates
-
alum (1)
-
anhydrite (13)
-
barite (14)
-
beudantite (1)
-
celestine (1)
-
gypsum (14)
-
jarosite (2)
-
lazurite (1)
-
mirabilite (1)
-
-
sulfides
-
alabandite (1)
-
arsenopyrite (5)
-
chalcopyrite (2)
-
cinnabar (7)
-
copper sulfides (1)
-
galena (8)
-
greigite (2)
-
gudmundite (1)
-
iron sulfides (8)
-
lazurite (1)
-
mackinawite (1)
-
marcasite (6)
-
metacinnabar (1)
-
molybdenite (1)
-
nickel sulfides (1)
-
niningerite (1)
-
oldhamite (1)
-
orpiment (1)
-
pyrite (98)
-
pyrrhotite (5)
-
realgar (1)
-
sphalerite (13)
-
stibnite (3)
-
troilite (1)
-
-
sulfosalts
-
sulfarsenites
-
tennantite (1)
-
-
-
tellurides (1)
-
tungstates
-
scheelite (1)
-
wolframite (2)
-
-
uranium minerals (4)
-
vanadates (1)
-
-
Primary terms
-
absolute age (214)
-
academic institutions (2)
-
Africa
-
Central Africa
-
Angola
-
Cabinda Angola (1)
-
-
Burundi (1)
-
Central African Republic (1)
-
Congo (5)
-
Congo Democratic Republic
-
Shaba Congo Democratic Republic (1)
-
-
Congo River (3)
-
Gabon
-
Oklo (5)
-
-
Lake Kivu (1)
-
-
Chad Basin (3)
-
Congo Basin (4)
-
East Africa
-
Ethiopia
-
Omo River (1)
-
-
Ethiopian Rift (1)
-
Kenya
-
Kenya Rift valley (1)
-
Mount Kenya (1)
-
-
Lake Malawi (4)
-
Lake Turkana (2)
-
Mozambique (3)
-
Somali Republic (1)
-
Tanzania
-
Oldoinyo Lengai (2)
-
-
Turkana Basin (1)
-
Uganda (2)
-
Zambia (1)
-
-
East African Lakes
-
Lake Albert (1)
-
Lake Kivu (1)
-
Lake Malawi (4)
-
Lake Tanganyika (3)
-
Lake Turkana (2)
-
-
East African Rift (5)
-
Kufra Basin (2)
-
Limpopo Belt (1)
-
Madagascar (3)
-
Nile River (5)
-
Nile Valley (1)
-
North Africa
-
Algeria
-
Berkine Basin (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
Middle Atlas (2)
-
-
-
Egypt
-
Bahariya Oasis (1)
-
Eastern Desert (1)
-
Nile Delta (4)
-
-
Ghadames Basin (4)
-
Illizi Basin (2)
-
Libya
-
Murzuk Basin (3)
-
-
Maghreb (1)
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
Middle Atlas (2)
-
-
Rif
-
Beni Bouchera (1)
-
-
Tarfaya Morocco (1)
-
-
Tunisia
-
El Kef Tunisia (2)
-
-
-
Nubian Shield (1)
-
Sahara (7)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Botswana (1)
-
Kaapvaal Craton (4)
-
Karoo Basin (21)
-
Namibia
-
Otavi Namibia (1)
-
Walvis Bay (1)
-
-
South Africa
-
Bushveld Complex (2)
-
Cape fold belt (2)
-
Cape Province region (3)
-
Eastern Cape Province South Africa
-
Cape Town South Africa (1)
-
-
Free State South Africa
-
Vredefort Dome (1)
-
-
KwaZulu-Natal South Africa (1)
-
Transvaal region (5)
-
Western Cape Province South Africa (2)
-
Witwatersrand (11)
-
-
Swaziland (2)
-
Zimbabwe
-
Great Dyke (1)
-
-
-
West Africa
-
Benue Valley (5)
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Cameroon (7)
-
Chad (3)
-
Ghana
-
Bosumtwi Crater (1)
-
Lake Bosumtwi (1)
-
-
Ivory Coast (1)
-
Mali (2)
-
Mauritania (3)
-
Niger (3)
-
Niger River (1)
-
Nigeria
-
Niger Delta (16)
-
Sokoto Basin (2)
-
-
Senegal (1)
-
Sierra Leone (1)
-
-
-
Antarctica
-
Antarctic ice sheet (1)
-
Antarctic Peninsula
-
Graham Land (1)
-
-
East Antarctica (3)
-
James Ross Island (1)
-
Lake Vostok (1)
-
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Toolebuc Formation (1)
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Upper Cretaceous
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Campanian
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Carlile Shale (7)
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Gulfian
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Holz Shale (1)
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Honna Formation (1)
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Judith River Formation (1)
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K-T boundary (13)
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Lewis Shale (2)
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Maestrichtian
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Guatemala Basin (1)
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Mendocino fracture zone (4)
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Middle America Trench (3)
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Queen Charlotte Basin (3)
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Santa Monica Basin (1)
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Panama Basin (1)
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Peru-Chile Trench (3)
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Southeast Pacific (7)
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Equatorial Pacific (10)
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North Pacific
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Bering Sea
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Navarin Basin (1)
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Mid-Pacific Mountains (1)
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Northeast Pacific
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Escanaba Trough (2)
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Guatemala Basin (1)
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Gulf of California
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Guaymas Basin (8)
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Gulf of Panama (1)
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Mendocino fracture zone (4)
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Northwest Pacific
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Japan Sea
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Kumano Basin (1)
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Okhotsk Sea (6)
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South China Sea
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Sulu Sea (2)
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Yellow Sea
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Bohai Sea
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Bohai Bay (16)
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Pacific Basin (1)
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South Pacific
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Kermadec Trench (1)
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Southeast Pacific (7)
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Southwest Pacific
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Arafura Sea (1)
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Campbell Plateau (1)
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West Pacific
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Indonesian Seas
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Northwest Pacific
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Japan Sea
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Ulleung Basin (1)
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Kumano Basin (1)
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Nankai Trough (4)
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Okhotsk Sea (6)
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Okinawa Trough (4)
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Shatsky Rise (1)
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Shikoku Basin (1)
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South China Sea
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Gulf of Thailand (2)
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Gulf of Tonkin (1)
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Malay Basin (1)
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Qiongdongnan Basin (6)
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Yinggehai Basin (8)
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Zhujiangkou Basin (10)
-
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Sulu Sea (2)
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Yellow Sea
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Bohai Sea
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Bohai Bay (16)
-
-
-
-
Ontong Java Plateau (4)
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Southwest Pacific
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Arafura Sea (1)
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Campbell Plateau (1)
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Coral Sea
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Great Barrier Reef (3)
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Pacific region
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Circum-Pacific region (1)
-
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paleobotany (7)
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paleoclimatology (314)
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paleoecology (237)
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paleogeography (153)
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paleomagnetism (44)
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paleontology (38)
-
Paleozoic
-
Arbuckle Group (1)
-
Berea Sandstone (8)
-
Cambrian
-
Lower Cambrian
-
Atdabanian (1)
-
Gog Group (1)
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Terreneuvian
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Fortunian (1)
-
-
Tommotian (2)
-
-
Middle Cambrian
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Barrandian (2)
-
Bright Angel Shale (1)
-
Burgess Shale (3)
-
Wheeler Formation (1)
-
-
Pioche Shale (1)
-
Tapeats Sandstone (1)
-
Upper Cambrian
-
Bonneterre Formation (4)
-
Copper Ridge Dolomite (1)
-
Eau Claire Formation (1)
-
Furongian (2)
-
Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Albert Formation (7)
-
Amsden Formation (1)
-
Benxi Formation (2)
-
Huanglong Formation (2)
-
Jackfork Group (4)
-
Lower Carboniferous
-
Dinantian (22)
-
-
Mississippian
-
Barnett Shale (44)
-
Bear Gulch Limestone Member (1)
-
Boone Formation (1)
-
Chainman Shale (3)
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Kekiktuk Conglomerate (1)
-
Kinderhookian
-
Banff Formation (1)
-
-
Lodgepole Formation (8)
-
Osagian
-
Burlington Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian (8)
-
-
Macumber Formation (3)
-
Madison Group (9)
-
Middle Mississippian
-
Visean
-
upper Visean (2)
-
-
-
Mission Canyon Limestone (2)
-
Stanley Group (2)
-
Sunbury Shale (5)
-
Upper Mississippian
-
Chesterian
-
Golconda Formation (1)
-
-
Fayetteville Formation (4)
-
Heath Formation (1)
-
Meramecian (2)
-
Serpukhovian (1)
-
Tuscumbia Limestone (1)
-
-
Windsor Group (7)
-
-
Namurian (3)
-
Pennsylvanian
-
Excello Shale (1)
-
Herrin Coal Member (1)
-
Kittanning Formation (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Morrowan (2)
-
New River Formation (1)
-
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Atokan
-
Atoka Formation (5)
-
-
Carbondale Formation (1)
-
Desmoinesian
-
Cherokee Group (2)
-
Marmaton Group (2)
-
-
Moscovian (3)
-
Paradox Formation (2)
-
Staunton Formation (1)
-
-
Monongahela Group (1)
-
Morrow Formation (4)
-
Pottsville Group (1)
-
Red Fork Sandstone (1)
-
Smithwick Shale (2)
-
Springfield Coal Member (2)
-
Strawn Series (1)
-
Upper Pennsylvanian
-
Cisco Group (1)
-
Gzhelian (1)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (1)
-
-
Virgilian
-
Shawnee Group (1)
-
-
-
-
Springer Formation (2)
-
Upper Carboniferous
-
Millstone Grit (2)
-
Stephanian (3)
-
Westphalian (10)
-
-
-
Catskill Formation (2)
-
Chattanooga Shale (5)
-
Cow Head Group (1)
-
Devonian
-
Beaverhill Lake Group (1)
-
Hunsruck Shale (1)
-
Keg River Formation (4)
-
Lower Devonian
-
Emsian (1)
-
Oriskany Sandstone (4)
-
Pragian (1)
-
York River Formation (1)
-
-
Middle Devonian
-
Dundee Limestone (1)
-
Eifelian (3)
-
Elk Point Group (3)
-
Givetian (5)
-
Hamilton Group (4)
-
Mahantango Formation (2)
-
Marcellus Shale (33)
-
Nahanni Formation (2)
-
Onondaga Limestone (1)
-
Prairie Evaporite (2)
-
Winnipegosis Formation (4)
-
-
Old Red Sandstone (1)
-
Ramparts Formation (2)
-
Slave Point Formation (1)
-
Swan Hills Formation (1)
-
Traverse Group (1)
-
Upper Devonian
-
Birdbear Formation (1)
-
Canadaway Group (1)
-
Chemung Formation (3)
-
Cleveland Member (3)
-
Domanik Formation (5)
-
Duperow Formation (1)
-
Famennian
-
lower Famennian (1)
-
upper Famennian (1)
-
-
Frasnian
-
Leduc Formation (6)
-
lower Frasnian (1)
-
-
Grosmont Formation (8)
-
Huron Member (8)
-
Jefferson Group (1)
-
Kellwasser event (5)
-
Nisku Formation (3)
-
Ohio Shale (17)
-
Olentangy Shale (2)
-
West Falls Formation (1)
-
-
-
Earn Group (2)
-
Endicott Group (1)
-
Exshaw Formation (9)
-
Hanson Creek Formation (1)
-
Helderberg Group (2)
-
Honaker Trail Formation (1)
-
Horton Group (4)
-
Hunton Group (4)
-
Knox Group (4)
-
Lisburne Group (6)
-
lower Paleozoic
-
Cape Phillips Formation (2)
-
Rose Run Sandstone (3)
-
-
middle Paleozoic (4)
-
Minnelusa Formation (1)
-
New Albany Shale (20)
-
Ordovician
-
Eureka Quartzite (1)
-
Gull River Formation (1)
-
Lexington Limestone (1)
-
Lower Ordovician
-
Arenigian (1)
-
Beekmantown Group (4)
-
Ellenburger Group (3)
-
Mascot Dolomite (1)
-
Saint George Group (1)
-
Tremadocian
-
Halifax Formation (1)
-
-
-
Lushs Bight Group (1)
-
Middle Ordovician
-
Black River Group (5)
-
Cloridorme Formation (1)
-
Decorah Shale (1)
-
Galena Dolomite (1)
-
Glenwood Shale (1)
-
Lenoir Limestone (1)
-
Llanvirnian (2)
-
Platteville Formation (2)
-
Saint Peter Sandstone (2)
-
Simpson Group (2)
-
-
Trenton Group (11)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (2)
-
Caradocian (3)
-
Cincinnatian (1)
-
Hirnantian (5)
-
Katian (2)
-
Maquoketa Formation (3)
-
Mohawkian (1)
-
Red River Formation (5)
-
Trentonian (6)
-
Wufeng Formation (28)
-
Yeoman Formation (2)
-
-
Utica Shale (14)
-
Vinini Formation (1)
-
Viola Limestone (3)
-
-
Permian
-
Chase Group (1)
-
Cutler Formation (1)
-
Ecca Group (11)
-
Echooka Formation (1)
-
Gharif Formation (2)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitanian (4)
-
Cherry Canyon Formation (1)
-
Grayburg Formation (2)
-
Queen Formation (1)
-
Seven Rivers Formation (1)
-
Tansill Formation (1)
-
-
Hennessey Formation (2)
-
Irati Formation (2)
-
Kaibab Formation (1)
-
Kamthi Formation (1)
-
Khuff Formation (3)
-
Longtan Formation (3)
-
Lower Permian
-
Al Khlata Formation (2)
-
Autunian (2)
-
Barakar Stage (1)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Artinskian (1)
-
Asselian (1)
-
Kungurian (1)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (3)
-
Leonardian
-
Bone Spring Limestone (4)
-
-
Qixia Formation (1)
-
Wolfcampian (22)
-
-
Lyons Sandstone (4)
-
Maokou Formation (4)
-
Meade Peak Member (4)
-
Middle Permian (5)
-
Park City Formation (1)
-
Phosphoria Formation (10)
-
Retort Phosphatic Shale Member (1)
-
Rotliegendes (8)
-
Shihezi Formation (2)
-
Unayzah Formation (2)
-
Upper Permian
-
Changxing Formation (1)
-
Lopingian
-
Changhsingian (2)
-
-
Permian-Triassic boundary (27)
-
Raniganj Formation (1)
-
Salado Formation (1)
-
Zechstein (12)
-
-
Vryheid Formation (2)
-
Wellington Formation (3)
-
Whitehill Formation (5)
-
Yates Formation (1)
-
-
Pilot Shale (2)
-
Road River Formation (1)
-
Sauk Sequence (2)
-
Silurian
-
Lower Silurian
-
Llandovery
-
Aeronian (3)
-
Rhuddanian (3)
-
Telychian (2)
-
-
Qalibah Formation (1)
-
Tuscarora Formation (1)
-
Wenlock
-
Sheinwoodian (1)
-
-
-
Middle Silurian
-
Clinton Group (3)
-
Guelph Formation (1)
-
Racine Dolomite (1)
-
Roberts Mountains Formation (1)
-
-
Niagaran (5)
-
Sangerville Formation (1)
-
Upper Silurian
-
Cayugan (1)
-
Ludlow
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Gorstian (1)
-
Ludfordian (1)
-
-
Pridoli (2)
-
Salina Group (3)
-
-
Vassalboro Formation (1)
-
Waterville Formation (1)
-
-
Taiyuan Formation (3)
-
Tensleep Sandstone (3)
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Antrim Shale (9)
-
Bakken Formation (40)
-
Copacabana Group (1)
-
Dwyka Formation (6)
-
Kaskaskia Sequence (2)
-
Shanxi Formation (5)
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Tarma Group (1)
-
-
Weber Sandstone (2)
-
Woodford Shale (34)
-
-
palynology (11)
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palynomorphs
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Chitinozoa (4)
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Dinoflagellata (26)
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miospores
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pollen (50)
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-
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paragenesis (86)
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peat deposits
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horticultural peat (1)
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permafrost (22)
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petroleum
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natural gas
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coalbed methane (44)
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shale gas (144)
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shale oil (66)
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petrology (44)
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Phanerozoic (40)
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phase equilibria (59)
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phosphate deposits (5)
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phosphorus
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organic phosphorus (1)
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placers
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stream placers (1)
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planetology (3)
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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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Botryococcus (2)
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Charophyta (1)
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Tasmanites (3)
-
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Coccolithophoraceae
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Coccolithus (4)
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Emiliania
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Emiliania huxleyi (1)
-
-
-
diatoms (48)
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nannofossils
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Discoasteridae (1)
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Phaeophyta (1)
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Rhodophyta (1)
-
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Bryophyta
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Musci
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Sphagnum (2)
-
-
-
Pteridophyta
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Lycopsida
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Sigillaria (1)
-
-
Sphenopsida
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Equisetales
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Calamites (1)
-
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
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Acer (1)
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Quercus (1)
-
-
Monocotyledoneae
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Commelinidae (1)
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Gramineae (1)
-
-
-
Gymnospermae
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Bennettitales (1)
-
Coniferae (2)
-
Coniferales
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Araucariaceae
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Araucaria (1)
-
-
Picea
-
Picea glauca (1)
-
-
Pinaceae
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Pinus (1)
-
-
Taxodiaceae
-
Metasequoia (2)
-
-
-
Glossopteridales
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Gangamopteris (1)
-
-
Pteridospermae (2)
-
-
-
-
plate tectonics (92)
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pollution (468)
-
Precambrian
-
Animikie Group (1)
-
Archean
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Eoarchean (1)
-
Mesoarchean (4)
-
Neoarchean (12)
-
Paleoarchean (8)
-
Warrawoona Group (3)
-
-
Brockman Iron Formation (1)
-
Central Rand Group (3)
-
Chuar Group (5)
-
Fortescue Group (3)
-
Gunflint Iron Formation (2)
-
Hadean (9)
-
Hamersley Group (1)
-
Johnnie Formation (1)
-
Nonesuch Shale (2)
-
Onverwacht Group (1)
-
Transvaal Supergroup (5)
-
Uinta Mountain Group (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (2)
-
Great Oxidation Event (6)
-
Huronian
-
Onaping Formation (1)
-
-
Isan Orogeny (1)
-
Keweenawan
-
Copper Harbor Conglomerate (3)
-
-
Mesoproterozoic
-
Revett Quartzite (1)
-
Roper Group (4)
-
Wumishan Formation (1)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Dengying Formation (5)
-
Doushantuo Formation (8)
-
Ediacaran (18)
-
Infracambrian (1)
-
Marinoan (2)
-
Nantuo Formation (1)
-
Otavi Group (2)
-
Riphean (12)
-
Tonian (4)
-
upper Sinian (1)
-
Vendian (27)
-
-
Paleoproterozoic
-
Birimian (1)
-
Francevillian (2)
-
Hemlock Formation (1)
-
Urquhart Shale (1)
-
-
Sinian
-
Dengying Formation (5)
-
Doushantuo Formation (8)
-
Nantuo Formation (1)
-
upper Sinian (1)
-
Wumishan Formation (1)
-
-
Windermere System (1)
-
-
-
Ventersdorp Supergroup (2)
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Witwatersrand Supergroup (6)
-
-
problematic fossils
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problematic microfossils (6)
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Pterobranchia (6)
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reclamation (26)
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reefs (32)
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remote sensing (34)
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sea water (83)
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sea-floor spreading (5)
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sea-level changes (180)
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sedimentary petrology (152)
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sedimentary rocks
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boundstone (1)
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chalk (18)
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dolostone (63)
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limestone
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biomicrite (1)
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dolomitic limestone (1)
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micrite (9)
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packstone (11)
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chemically precipitated rocks
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chert (37)
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evaporites
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salt (16)
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iron formations
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banded iron formations (9)
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ironstone (3)
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phosphate rocks (22)
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siliceous sinter (1)
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tufa (3)
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weathering crust (2)
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clastic rocks
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arenite
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quartz arenite (4)
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argillite (7)
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arkose (4)
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bentonite (60)
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black shale (215)
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claystone (21)
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conglomerate
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quartz-pebble conglomerate (3)
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diamictite (3)
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graywacke (1)
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marl (68)
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tonstein (1)
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coal
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anthracite (9)
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bituminous coal (25)
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humic coal (2)
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lignite (17)
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sapropelite (3)
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subbituminous coal (7)
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gas shale (34)
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oil sands (35)
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oil shale
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kukersite (5)
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torbanite (4)
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sedimentary structures
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bedding plane irregularities
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sand waves (1)
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biogenic structures
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algal structures
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algal mats (15)
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banks (1)
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graded bedding (2)
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massive bedding (3)
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concretions (39)
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seismites (1)
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soft sediment deformation
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turbidity current structures
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Bouma sequence (2)
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sedimentation (402)
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sediments
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carbonate sediments (20)
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