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carbon
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hydrogen
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U-238/U-235 (1)
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stable isotopes
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Al-27/Al-26 (1)
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B-11/B-10 (3)
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C-13 (2)
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C-13/C-12 (53)
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Cr-53/Cr-52 (1)
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D/H (8)
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Fe-56/Fe-54 (3)
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Fe-57 (2)
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He-3 (1)
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Hf-177/Hf-176 (4)
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Li-7/Li-6 (1)
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Mg-25/Mg-24 (2)
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Mg-26 (2)
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N-15/N-14 (12)
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Nd-144/Nd-142 (1)
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Nd-144/Nd-143 (24)
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Ne-22 (1)
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O-16 (1)
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O-17/O-16 (6)
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O-18/O-16 (50)
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Os-187/Os-186 (1)
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Os-188/Os-187 (7)
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Pb-206/Pb-204 (8)
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Pb-207/Pb-204 (5)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (5)
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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 (1)
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S-33/S-32 (1)
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S-34/S-32 (17)
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Si-29/Si-28 (2)
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Si-30/Si-28 (3)
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Sr-87/Sr-86 (33)
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large-ion lithophile elements (1)
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alkali metals
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potassium
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K-40 (1)
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rubidium
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Rb-87/Sr-86 (1)
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sodium (5)
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alkaline earth metals
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Ba/Ca (1)
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beryllium
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Be-10 (1)
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calcium
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Ba/Ca (1)
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Mg/Ca (3)
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Sr/Ca (2)
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magnesium
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Mg/Ca (3)
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Mg-25/Mg-24 (2)
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Mg-26 (2)
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strontium
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Rb-87/Sr-86 (1)
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Sr/Ca (2)
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Sr-87/Sr-86 (33)
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aluminum
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Al-26 (2)
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Al-27/Al-26 (1)
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arsenic (4)
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chromium
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Cr-53/Cr-52 (1)
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hafnium
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Hf-177/Hf-176 (4)
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iron
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Fe-56/Fe-54 (3)
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Fe-57 (2)
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ferric iron (19)
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lead
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Pb-206/Pb-204 (8)
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Pb-207/Pb-204 (5)
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Pb-207/Pb-206 (2)
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Pb-208/Pb-204 (5)
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Pb-208/Pb-206 (1)
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manganese
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Mn-53 (1)
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mercury (2)
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nickel (24)
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niobium (2)
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platinum group
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iridium (4)
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osmium
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Os-187/Os-186 (1)
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Os-188/Os-187 (7)
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Re-187/Os-188 (1)
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palladium (2)
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precious metals (3)
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neodymium
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Nd-144/Nd-142 (1)
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Nd-144/Nd-143 (24)
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Sm-147/Nd-144 (4)
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samarium
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Sm-147/Nd-144 (4)
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ytterbium (2)
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rhenium
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Re-187/Os-188 (1)
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silver (3)
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zinc
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Zn-66 (1)
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zirconium (4)
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nitrogen
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N-15/N-14 (12)
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noble gases
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argon (1)
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krypton (1)
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neon
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Ne-22/Ne-20 (1)
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xenon
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Xe-129 (2)
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oxygen
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O-16 (1)
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O-17/O-16 (6)
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O-18/O-16 (50)
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phosphorus (2)
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silicon
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Si-29/Si-28 (2)
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Si-30/Si-28 (3)
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sulfur
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organic sulfur (1)
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S-34/S-32 (17)
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fossils
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Chordata
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Vertebrata
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Theropoda
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Carnosauria (1)
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Coelurosauria
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Tyrannosauridae (1)
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coprolites (1)
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cyanobacteria (1)
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ichnofossils (2)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda (1)
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Brachiopoda (2)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (1)
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Echinodermata
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Crinozoa
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Crinoidea (1)
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Mollusca
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Bivalvia
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Heterodonta
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Veneroida
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Cardiidae (1)
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Tridacna (1)
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-
-
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Cephalopoda
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Coleoidea
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Belemnoidea
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Belemnitidae (1)
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-
-
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Gastropoda
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Turritellidae
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Turritella (1)
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-
-
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Porifera
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Stromatoporoidea (1)
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Protista
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Foraminifera
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Rotaliina
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Lagenidae (1)
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Nodosariacea
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Nodosariidae (1)
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Radiolaria (1)
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microfossils (5)
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palynomorphs (1)
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Plantae
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algae
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Coccolithophoraceae (1)
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diatoms (1)
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geochronology methods
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(U-Th)/He (3)
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Ar/Ar (15)
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exposure age (1)
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fission-track dating (1)
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Lu/Hf (1)
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paleomagnetism (9)
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Pb/Pb (7)
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radiation damage (1)
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Rb/Sr (11)
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Re/Os (5)
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Sm/Nd (6)
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tephrochronology (1)
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Th/U (1)
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thermochronology (2)
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U/Pb (51)
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U/Th/Pb (2)
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uranium disequilibrium (1)
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geologic age
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Anthropocene (1)
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Cenozoic
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Bronze Age (1)
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Caloosahatchee Formation (1)
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Iron Age (2)
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Quaternary
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Holocene
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lower Holocene (1)
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Middle Ages (1)
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Neoglacial (1)
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Neolithic (1)
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upper Holocene
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Roman period (1)
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-
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Pleistocene
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (1)
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upper Quaternary (1)
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Stone Age
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Neolithic (1)
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Paleolithic (1)
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Tertiary
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Barreiras Formation (1)
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Neogene
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Miocene
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Columbia River Basalt Group (2)
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lower Miocene (1)
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middle Miocene (1)
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upper Miocene
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Tortonian (2)
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-
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Pliocene (3)
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Sisquoc Formation (1)
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upper Neogene (1)
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Paleogene
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Eocene
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Absaroka Supergroup (1)
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Green River Formation (1)
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Lake Uinta (1)
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lower Eocene
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Willwood Formation (1)
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Ypresian
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London Clay (1)
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-
-
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Oligocene
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Frio Formation (1)
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Paleocene
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lower Paleocene
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Danian (1)
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K-T boundary (1)
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Maria Farinha Formation (1)
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upper Paleocene
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Thanetian (1)
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-
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Paleocene-Eocene Thermal Maximum (2)
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-
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upper Cenozoic
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Pinecrest Beds (1)
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-
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Dalradian (2)
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Mesozoic
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Cretaceous
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Blairmore Group (1)
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Lower Cretaceous
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Albian
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upper Albian (1)
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Aptian (1)
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Middle Cretaceous
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Winton Formation (1)
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Upper Cretaceous
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Campanian
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Dinosaur Park Formation (1)
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Gulfian
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Eagle Ford Formation (1)
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K-T boundary (1)
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Maestrichtian (1)
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Senonian (1)
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-
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Franciscan Complex (2)
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Jurassic
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Lower Jurassic
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Sinemurian (1)
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Toarcian (1)
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Middle Jurassic
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Bajocian
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Brent Group (1)
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Bathonian (1)
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Callovian (1)
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Upper Jurassic
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Entrada Sandstone (1)
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Kimmeridge Clay (1)
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Oxfordian (1)
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-
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Navajo Sandstone (1)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (2)
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Middle Triassic
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Ladinian (1)
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Upper Triassic
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Chinle Formation (1)
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Norian (1)
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Yanchang Formation (1)
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-
-
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Moldanubian (1)
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Paleozoic
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Cambrian
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Middle Cambrian
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Burgess Shale (1)
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Flathead Sandstone (1)
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-
Upper Cambrian
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Galesville Sandstone (1)
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-
-
Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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Lower Mississippian
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Tournaisian (1)
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-
Upper Mississippian
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Meramecian
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Salem Limestone (1)
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Serpukhovian (1)
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-
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Pennsylvanian
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Lower Pennsylvanian
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Bashkirian (1)
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Middle Pennsylvanian
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Allegheny Group (1)
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Atokan (1)
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Moscovian (2)
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-
Upper Pennsylvanian
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Gzhelian (2)
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Virgilian (1)
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-
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Upper Carboniferous (1)
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Devonian
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Lower Devonian
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Shap Granite (1)
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Middle Devonian
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Givetian
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Horn Plateau Formation (1)
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-
-
Upper Devonian (5)
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lower Paleozoic (3)
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Ordovician
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Lower Ordovician
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Arenigian
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Ballantrae Complex (1)
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-
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Middle Ordovician
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Chazy Group (1)
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Llanvirnian (1)
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-
Upper Ordovician (3)
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-
Permian
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Castile Formation (1)
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Lower Permian
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Cisuralian (1)
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Wolfcampian (1)
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-
Shihezi Formation (1)
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Unayzah Formation (1)
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Upper Permian
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Permian-Triassic boundary (2)
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Zechstein (1)
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-
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Silurian
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Lower Silurian
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Llandovery
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Aeronian (1)
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Telychian (1)
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-
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Middle Silurian (1)
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Perry Mountain Formation (1)
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Upper Silurian (1)
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-
Taiyuan Formation (1)
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upper Paleozoic (2)
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Woodford Shale (1)
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Phanerozoic (5)
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Precambrian
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Animikie Group (1)
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Archean
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Blake River Group (1)
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Gilman Formation (1)
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Mesoarchean (2)
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Neoarchean (6)
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Paleoarchean (3)
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Warrawoona Group (1)
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-
Brockman Iron Formation (1)
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Central Rand Group (1)
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Hadean (4)
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Laramie anorthosite complex (1)
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Nipissing Diabase (1)
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Stillwater Complex (2)
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Transvaal Supergroup (2)
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upper Precambrian
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Proterozoic
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Damara System (1)
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Great Oxidation Event (2)
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Lewisian (1)
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Malmani Subgroup (1)
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Mesoproterozoic
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Belt Supergroup (1)
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Newland Limestone (1)
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Ravalli Group (1)
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Revett Quartzite (1)
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Stenian (1)
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Neoproterozoic
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Cryogenian (1)
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Dengying Formation (1)
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Ediacaran (5)
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Tonian (1)
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-
Paleoproterozoic
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Marquette Range Supergroup (1)
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Thomson Formation (1)
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-
Sinian
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Dengying Formation (1)
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-
-
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Ventersdorp Supergroup (1)
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Witwatersrand Supergroup (2)
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-
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igneous rocks
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igneous rocks
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carbonatites (17)
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granophyre (1)
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hypabyssal rocks (1)
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kimberlite (16)
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picrite (4)
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plutonic rocks
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anorthosite (5)
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appinite (1)
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diabase
-
tholeiitic dolerite (1)
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-
diorites
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quartz diorites (2)
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tonalite (2)
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trondhjemite (2)
-
-
gabbros
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norite (3)
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troctolite (4)
-
-
granites
-
A-type granites (2)
-
I-type granites (2)
-
leucogranite (1)
-
monzogranite (2)
-
rapakivi (1)
-
S-type granites (1)
-
two-mica granite (2)
-
-
granodiorites (3)
-
lamproite (2)
-
lamprophyres (5)
-
monzodiorite (1)
-
monzonites (3)
-
pegmatite (10)
-
quartz monzonite (1)
-
syenites
-
alkali syenites (1)
-
bostonite (1)
-
nepheline syenite (2)
-
-
ultramafics
-
chromitite (19)
-
peridotites
-
dunite (6)
-
garnet lherzolite (2)
-
garnet peridotite (1)
-
harzburgite (7)
-
lherzolite (4)
-
spinel lherzolite (1)
-
-
pyroxenite
-
garnet pyroxenite (1)
-
websterite (3)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
adakites (1)
-
andesites (10)
-
basalts
-
alkali basalts
-
hawaiite (1)
-
mugearite (1)
-
-
flood basalts (3)
-
mid-ocean ridge basalts (13)
-
ocean-island basalts (5)
-
shoshonite (3)
-
tholeiite (4)
-
-
basanite (2)
-
dacites (5)
-
glasses
-
obsidian (1)
-
-
komatiite (2)
-
latite (1)
-
phonolites (3)
-
pyroclastics
-
ignimbrite (2)
-
tuff (4)
-
-
rhyodacites (1)
-
rhyolites
-
comendite (1)
-
-
trachyandesites
-
absarokite (1)
-
-
trachytes (3)
-
-
-
ophiolite (22)
-
pyrolite (3)
-
volcanic ash (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (9)
-
cataclasites (2)
-
eclogite (13)
-
fulgurite (2)
-
garnetite (1)
-
gneisses
-
granite gneiss (3)
-
orthogneiss (2)
-
paragneiss (2)
-
tonalite gneiss (1)
-
-
granulites (7)
-
impactites
-
impact breccia
-
suevite (2)
-
-
-
jadeitite (1)
-
lapis lazuli (1)
-
listwanite (1)
-
marbles (3)
-
metaigneous rocks
-
metabasalt (1)
-
metabasite (2)
-
metagabbro (1)
-
serpentinite (6)
-
-
metasedimentary rocks
-
metapelite (2)
-
paragneiss (2)
-
-
metasomatic rocks
-
fenite (1)
-
greisen (1)
-
serpentinite (6)
-
skarn (4)
-
-
metavolcanic rocks (1)
-
migmatites (1)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (2)
-
quartzites (1)
-
schists
-
chlorite schist (2)
-
greenstone (1)
-
muscovite schist (1)
-
-
slates (1)
-
-
ophiolite (22)
-
turbidite (1)
-
-
meteorites
-
meteorites
-
Elephant Moraine Meteorites (1)
-
Graves Nunataks Meteorites (1)
-
iron meteorites
-
hexahedrite (1)
-
octahedrite
-
Canyon Diablo Meteorite (1)
-
-
-
micrometeorites (2)
-
stony irons (2)
-
stony meteorites
-
achondrites
-
angrite (1)
-
eucrite (1)
-
lunar meteorites (1)
-
Martian meteorites
-
SNC Meteorites
-
shergottite
-
Zagami Meteorite (1)
-
-
-
-
ureilite (2)
-
-
chondrites
-
carbonaceous chondrites
-
CI chondrites
-
Orgueil Meteorite (1)
-
-
CM chondrites
-
Cold Bokkeveld Meteorite (1)
-
Murchison Meteorite (1)
-
-
CO chondrites
-
Kainsaz Meteorite (1)
-
-
CR chondrites
-
Renazzo Meteorite (1)
-
-
CV chondrites
-
Allende Meteorite (2)
-
-
-
enstatite chondrites (4)
-
ordinary chondrites
-
H chondrites (1)
-
L chondrites (3)
-
-
-
-
-
-
minerals
-
alloys
-
awaruite (1)
-
carbides
-
cohenite (6)
-
moissanite (19)
-
-
kamacite (7)
-
nitrides (12)
-
phosphides
-
schreibersite (4)
-
-
silicides
-
ferrosilicon (1)
-
-
taenite (7)
-
-
antimonates (2)
-
arsenates
-
scorodite (1)
-
-
arsenides
-
arsenopyrite (2)
-
lollingite (2)
-
nickeline (1)
-
skutterudite (1)
-
sperrylite (1)
-
-
borates
-
ludwigite (2)
-
-
carbonates
-
ankerite (1)
-
aragonite (5)
-
azurite (1)
-
bastnaesite (1)
-
calcite (15)
-
dolomite (6)
-
hydromagnesite (1)
-
kutnohorite (2)
-
magnesite (10)
-
malachite (2)
-
parisite (2)
-
siderite (3)
-
sphaerosiderite (2)
-
synchysite (1)
-
vaterite (1)
-
-
copper minerals (2)
-
halides
-
chlorides
-
halite (4)
-
-
fluorides
-
bastnaesite (1)
-
fluorite (5)
-
neighborite (1)
-
parisite (2)
-
synchysite (1)
-
topaz (1)
-
-
-
hydrates (5)
-
iron minerals (1)
-
manganese minerals (2)
-
minerals (24)
-
native elements
-
carbonado (4)
-
diamond
-
microdiamond (2)
-
-
fullerene (1)
-
graphite (27)
-
lonsdaleite (2)
-
-
organic minerals
-
amber (2)
-
-
oxalates (1)
-
oxides
-
aluminum oxides (2)
-
baddeleyite (7)
-
birnessite (1)
-
brucite (1)
-
cassiterite (3)
-
chrome spinel (1)
-
chromite (10)
-
corundum (15)
-
cuprite (1)
-
ferropericlase (8)
-
geikielite (1)
-
germanates (1)
-
goethite (6)
-
hematite (9)
-
hercynite (4)
-
hibonite (5)
-
hollandite (3)
-
hydroxides
-
aluminum hydroxides (2)
-
iron hydroxides (4)
-
oxyhydroxides (3)
-
-
ilmenite (7)
-
iron oxides (21)
-
jacobsite (1)
-
maghemite (2)
-
magnesioferrite (2)
-
magnesium oxides (3)
-
magnetite (19)
-
manganese oxides (3)
-
niobates
-
columbite (2)
-
loparite (1)
-
pyrochlore (1)
-
-
periclase (7)
-
perovskite (14)
-
rutile (12)
-
sapphire (1)
-
spinel (18)
-
spinel group (9)
-
tantalates (1)
-
thorianite (1)
-
titanium oxides (7)
-
wustite (9)
-
zincite (1)
-
-
phosphates
-
apatite (14)
-
chlorapatite (1)
-
crandallite (1)
-
fluorapatite (1)
-
hydroxylapatite (1)
-
merrillite (2)
-
monazite (8)
-
rhabdophane (1)
-
turquoise (1)
-
whitlockite (1)
-
xenotime (2)
-
-
platinum minerals (5)
-
selenates (1)
-
selenides (1)
-
silicates
-
aluminosilicates
-
maskelynite (2)
-
-
asbestos (2)
-
borosilicates (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (2)
-
hornblende (4)
-
pargasite (2)
-
tremolite (2)
-
-
-
pyroxene group
-
clinopyroxene
-
augite (2)
-
clinoenstatite (2)
-
diopside (7)
-
fassaite (1)
-
hedenbergite (3)
-
omphacite (3)
-
-
orthopyroxene
-
enstatite (9)
-
protoenstatite (1)
-
-
-
rhodonite group
-
rhodonite (1)
-
-
wollastonite group
-
wollastonite (3)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
K-feldspar (1)
-
microcline (1)
-
orthoclase (1)
-
-
plagioclase
-
albite (4)
-
anorthite (3)
-
-
-
leucite (2)
-
silica minerals
-
agate (1)
-
carnelian (1)
-
chalcedony (1)
-
coesite (6)
-
cristobalite (3)
-
keatite (1)
-
moganite (1)
-
opal
-
opal-A (2)
-
-
quartz (14)
-
stishovite (7)
-
tridymite (2)
-
-
sodalite group
-
hauyne (1)
-
lazurite (1)
-
-
zeolite group
-
analcime (2)
-
erionite (1)
-
wairakite (1)
-
-
-
garnierite (1)
-
iron silicates (1)
-
magnesian silicates (6)
-
orthosilicates
-
nesosilicates
-
chloritoid (1)
-
garnet group
-
almandine (5)
-
grossular (2)
-
majorite (6)
-
pyrope (7)
-
spessartine (1)
-
uvarovite (2)
-
-
kyanite (3)
-
mullite (1)
-
olivine group
-
fayalite (7)
-
forsterite (15)
-
monticellite (1)
-
olivine (38)
-
peridot (1)
-
ringwoodite (16)
-
wadsleyite (19)
-
-
sillimanite (2)
-
staurolite (1)
-
titanite group
-
titanite (4)
-
-
topaz (1)
-
zircon group
-
zircon (39)
-
-
-
sorosilicates
-
epidote group
-
allanite (2)
-
clinozoisite (1)
-
epidote (1)
-
zoisite (1)
-
-
lawsonite (3)
-
melilite group
-
gehlenite (3)
-
melilite (3)
-
-
-
-
ring silicates
-
beryl (1)
-
cordierite (3)
-
emerald (1)
-
milarite group
-
osumilite (1)
-
-
tourmaline group (2)
-
-
sheet silicates
-
chlorite group
-
chlorite (5)
-
clinochlore (1)
-
-
clay minerals
-
beidellite (1)
-
halloysite (2)
-
kaolinite (10)
-
montmorillonite (3)
-
nontronite (2)
-
saponite (1)
-
smectite (12)
-
vermiculite (1)
-
-
corrensite (1)
-
cymrite (1)
-
illite (3)
-
margarite (1)
-
mica group
-
biotite (6)
-
celadonite (1)
-
muscovite (5)
-
phengite (3)
-
phlogopite (5)
-
-
palygorskite (3)
-
pyrophyllite (2)
-
sepiolite (1)
-
serpentine group
-
antigorite (2)
-
chrysotile (1)
-
cronstedtite (3)
-
serpentine (5)
-
-
talc (2)
-
-
-
sulfates
-
alunite (1)
-
anhydrite (1)
-
barite (1)
-
celestine (1)
-
gypsum (3)
-
hexahydrite (1)
-
jarosite (1)
-
kieserite (1)
-
lazurite (1)
-
schwertmannite (2)
-
thenardite (1)
-
-
sulfides
-
alabandite (2)
-
arsenopyrite (2)
-
bornite (1)
-
chalcopyrite (8)
-
copper sulfides (1)
-
covellite (1)
-
galena (4)
-
iron sulfides (6)
-
laurite (2)
-
lazurite (1)
-
mackinawite (2)
-
marcasite (1)
-
molybdenite (1)
-
nickel sulfides (3)
-
niningerite (2)
-
oldhamite (1)
-
orpiment (1)
-
pentlandite (5)
-
pyrite (17)
-
pyrrhotite (12)
-
sphalerite (8)
-
stibnite (2)
-
tetradymite (1)
-
troilite (5)
-
wurtzite (1)
-
-
tellurides
-
altaite (1)
-
tetradymite (1)
-
-
tungstates
-
scheelite (3)
-
wolframite (1)
-
-
ultrabasite (1)
-
vanadates (1)
-
-
Primary terms
-
absolute age (79)
-
Africa
-
East Africa
-
Lake Turkana (1)
-
Sudan (1)
-
Tanzania (4)
-
Turkana Basin (1)
-
-
East African Lakes
-
Lake Turkana (1)
-
-
East African Rift (1)
-
Limpopo Belt (2)
-
Madagascar (1)
-
Mozambique Belt (1)
-
North Africa
-
Morocco
-
Rif
-
Beni Bouchera (1)
-
-
-
-
Nubian Shield (2)
-
Red Sea Hills (1)
-
Southern Africa
-
Barberton greenstone belt (1)
-
Botswana (2)
-
Kaapvaal Craton (5)
-
Kalahari Craton (2)
-
Namaqualand (1)
-
Namibia
-
Tsumeb Namibia (1)
-
-
South Africa
-
Bushveld Complex (8)
-
Cape fold belt (1)
-
Cape Province region (1)
-
Eastern Cape Province South Africa
-
Cape Town South Africa (1)
-
-
Free State South Africa (1)
-
KwaZulu-Natal South Africa (1)
-
Merensky Reef (1)
-
Mpumalanga South Africa
-
Barberton South Africa (1)
-
-
Northern Cape Province South Africa (1)
-
-
Swaziland (1)
-
Zimbabwe
-
Great Dyke (1)
-
-
-
West Africa
-
Cameroon (1)
-
Ghana (1)
-
Nigeria (1)
-
-
-
Antarctica (1)
-
Arctic Ocean (1)
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Skaergaard Intrusion (1)
-
South Greenland (1)
-
West Greenland (1)
-
-
Russian Arctic (1)
-
-
asbestos deposits (1)
-
Asia
-
Altai Mountains (1)
-
Altai-Sayan region (1)
-
Amur region (1)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Oman
-
Oman Mountains (1)
-
-
Saudi Arabia (1)
-
-
Buryat Russian Federation
-
Vitim Plateau (2)
-
-
Central Asia
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (3)
-
-
-
-
Chukotka Russian Federation
-
Chukchi Peninsula (2)
-
-
Dzhugdzhur region (1)
-
Far East
-
Borneo
-
Kalimantan Indonesia (1)
-
-
Burma (2)
-
China
-
Dabie Mountains (1)
-
Datong China (1)
-
Gansu China (1)
-
Guizhou China (1)
-
Hubei China
-
Yichang China (1)
-
-
Inner Mongolia China (1)
-
Kunlun Fault (1)
-
Kunlun Mountains (2)
-
North China Platform (4)
-
Ordos Basin (1)
-
Qinghai China (2)
-
Qinling Mountains (1)
-
Shaanxi China (1)
-
Shanxi China (1)
-
Sichuan China (3)
-
South China Block (1)
-
Xinjiang China (1)
-
Xizang China
-
Gangdese Belt (2)
-
-
Yangtze Platform (2)
-
Yunnan China
-
Lijiang China (1)
-
-
-
Indonesia
-
Kalimantan Indonesia (1)
-
-
Japan
-
Hokkaido
-
Hidaka metamorphic belt (1)
-
-
Honshu
-
Ibaraki Japan (1)
-
-
Kyushu (1)
-
-
Korea
-
South Korea (2)
-
-
Lesser Sunda Islands
-
Timor (1)
-
-
Mongolia (1)
-
-
Himalayas (4)
-
Indian Peninsula
-
Afghanistan (1)
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Bengal Islands
-
Andaman Islands (1)
-
-
Damodar Valley (2)
-
Deccan Plateau (1)
-
Ghats
-
Eastern Ghats (1)
-
Western Ghats (1)
-
-
Gujarat India
-
Kathiawar (1)
-
Saurashtra (1)
-
-
Himachal Pradesh India (1)
-
Jharkhand India
-
Singhbhum India (1)
-
-
Karnataka India (1)
-
Khetri India (1)
-
Maharashtra India
-
Nagpur India (1)
-
-
Rajasthan India
-
Aravalli Range (1)
-
Udaipur India (1)
-
-
West Bengal India
-
Raniganj coal field (1)
-
-
-
Indian Shield (2)
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Kohistan (1)
-
-
Indus-Yarlung Zangbo suture zone (3)
-
Irkutsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
Tolbachik (3)
-
-
-
Karakoram (1)
-
Kemerovo Russian Federation
-
Salair Russian Federation (1)
-
-
Koryak Range (1)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (1)
-
-
-
Lake Baikal (1)
-
Middle East
-
Cyprus (1)
-
Dead Sea (1)
-
Dead Sea Rift (1)
-
Iran (6)
-
Israel
-
Mount Carmel (6)
-
Negev (4)
-
-
Turkey
-
Anatolia (7)
-
Ankara Turkey (2)
-
Canakkale Turkey (1)
-
Eskisehir Turkey (1)
-
-
Zagros (2)
-
-
Popigay Structure (1)
-
Primorye Russian Federation (1)
-
Russian Far East (2)
-
Sayan
-
Eastern Sayan (1)
-
-
Siberia (8)
-
Siberian Platform (4)
-
Stanovoy Range (2)
-
Tibetan Plateau (13)
-
Tien Shan (2)
-
Transbaikalia (3)
-
Tunguska Basin (1)
-
Tuva Russian Federation (1)
-
Uzbekistan
-
Bukantau (1)
-
-
Vindhyan Basin (1)
-
Western Transbaikalia (2)
-
Yakutia Russian Federation
-
Udachnaya Pipe (4)
-
-
-
asteroids (13)
-
Atlantic Ocean
-
Mid-Atlantic Ridge (1)
-
North Atlantic
-
Frobisher Bay (1)
-
Gulf of Mexico (1)
-
Labrador Sea (1)
-
Madeira abyssal plain (1)
-
North Sea
-
East Shetland Basin (1)
-
Viking Graben (1)
-
-
Northwest Atlantic (1)
-
-
-
atmosphere (7)
-
Australasia
-
Australia
-
Broken Hill Block (1)
-
Curnamona Province (1)
-
Giles Complex (1)
-
Musgrave Block (1)
-
New South Wales Australia
-
Cobar Australia (1)
-
Elura Mine (2)
-
-
Northern Territory Australia
-
Arnhem Land (1)
-
Pine Creek Geosyncline (1)
-
-
Perth Australia (1)
-
Queensland Australia
-
Cloncurry mining district (1)
-
Georgetown Inlier (1)
-
Mount Isa Inlier (1)
-
-
South Australia
-
Eyre Peninsula (1)
-
Flinders Ranges (1)
-
Gawler Craton (1)
-
-
Tanami Desert (1)
-
Victoria Australia (1)
-
Western Australia
-
Eastern Goldfields (1)
-
Norseman-Wiluna Belt (1)
-
Pilbara Craton (2)
-
Yilgarn (1)
-
Yilgarn Craton (6)
-
-
-
New Zealand
-
Coromandel Peninsula (3)
-
Taupo volcanic zone (3)
-
Waihi New Zealand (1)
-
-
Papua New Guinea
-
New Britain (1)
-
-
-
bacteria (1)
-
barite deposits (3)
-
bentonite deposits (2)
-
bibliography (2)
-
biogeography (1)
-
biography (3)
-
bitumens
-
asphalt (1)
-
-
boron
-
B-11/B-10 (3)
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iron carbides
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Journal Article
Phase Relations of Iron Carbides Fe 2 C, Fe 3 C, and Fe 7 C 3 at the Earth’s Core Pressures and Temperatures Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 December 2020
Russ. Geol. Geophys. (2020) 61 (12): 1345–1353.
...N.E. Sagatov; P.N. Gavryushkin; I.V. Medrish; T.M. Inerbaev; K.D. Litasov Abstract —Based on first-principle calculations in the framework of the density functional theory and structure prediction algorithms, we have determined iron carbide phases stable at the Earth’s core pressures...
Journal Article
First-principles calculations of the equations of state and relative stability of iron carbides at the Earth’s core pressures Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 January 2015
Russ. Geol. Geophys. (2015) 56 (1-2): 164–171.
... at the core pressures. Therefore, a theoretical modeling of iron carbides at ≤ 500 GPa is carried out. Energetically stable phases and the pressures of magnetic transitions at 0 K are determined. The parameters of magnetic transitions for Fe 7 C 3 and Fe 3 C are consistent with those determined...
Journal Article
Iron carbide in the core Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2019
American Mineralogist (2019) 104 (1): 1.
... primitive C1 chondrites, which are believed to be the building blocks of our planet, contain 3.5 wt% C. The Fe-C system has been proposed as a candidate component in the Earth's core, largely based on its high cosmochemical abundance, the frequent occurrence of iron carbide phases (e.g., Fe 3 C...
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Densities of iron, iron carbides, and Earth’s core as a function of pressur... Available to Purchase
in Carbon in the Core: Its Influence on the Properties of Core and Mantle
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2013
Figure 5 Densities of iron, iron carbides, and Earth’s core as a function of pressure. Data sources: PREM ( Dziewonski and Anderson 1981 ). Dashed line: Shocked Fe along a Hugoniot ( Brown 2001 ). Solid line: statically compressed hcp Fe at 300 K ( Mao et al. 1990 ). Note slightly higher
Journal Article
IRON CARBIDE INCLUSIONS IN LOWER-MANTLE DIAMOND FROM JUINA, BRAZIL Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 April 2011
The Canadian Mineralogist (2011) 49 (2): 555–572.
...Felix V. Kaminsky; Richard Wirth Abstract Iron carbides in association with native iron, graphite, and magnetite were identified in a crystal of diamond from the Juina area, Brazil, that contains a series of other, deep-mantle mineral inclusions. Among the iron carbides, Fe 3 C, Fe 2 C (“chalypite...
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Compositional ternary plot of natural iron carbides and nitrides from diffe... Available to Purchase
in Nitrides and carbonitrides from the lowermost mantle and their importance in the search for Earth's “lost” nitrogen
> American Mineralogist
Published: 01 August 2017
Figure 6. Compositional ternary plot of natural iron carbides and nitrides from different localities (in atom%). See references in note to Table 3 . (Color online.)
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Enthalpy of formation per atom for the studied iron carbides, Fe, and diamo... Available to Purchase
in First-principles calculations of the equations of state and relative stability of iron carbides at the Earth’s core pressures
> Russian Geology and Geophysics
Published: 01 January 2015
Fig. 1. Enthalpy of formation per atom for the studied iron carbides, Fe, and diamond depending on pressure.
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The magnetic moment (μB) of iron carbides vs. pressure. Available to Purchase
in First-principles calculations of the equations of state and relative stability of iron carbides at the Earth’s core pressures
> Russian Geology and Geophysics
Published: 01 January 2015
Fig. 5. The magnetic moment (μB) of iron carbides vs. pressure.
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Calculated density of the NM phases of iron carbides at the core parameters... Available to Purchase
in First-principles calculations of the equations of state and relative stability of iron carbides at the Earth’s core pressures
> Russian Geology and Geophysics
Published: 01 January 2015
Fig. 7. Calculated density of the NM phases of iron carbides at the core parameters. Data for carbides are shown at 5000 K (see the text). Blue lines show data for iron, after ( Seagle et al., 2006 ); red dashed line, the profile of density, according to the PREM ( Dziewonski and Anderson, 1981
Journal Article
Origin and consequences of non-stoichiometry in iron carbide Fe 7 C 3 Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 March 2019
American Mineralogist (2019) 104 (3): 325–332.
...Feng Zhu; Jie Li; David Walker; Jiachao Liu; Xiaojing Lai; Dongzhou Zhang Abstract The Eckstrom-Adcock iron carbide, nominally Fe 7 C 3 , is a potential host of reduced carbon in Earth's mantle and a candidate component of the inner core. Non-stoichiometry in Fe 7 C 3 has been observed previously...
Journal Article
Conditions for diamond and graphite formation from iron carbide at the P - T parameters of lithospheric mantle Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 January 2016
Russ. Geol. Geophys. (2016) 57 (1): 176–189.
...Yu.V. Bataleva; Yu.N. Palyanov; Yu.M. Borzdov; O.A. Bayukov; N.V. Sobolev Abstract To estimate conditions for the stability of iron carbide under oxidation conditions and to assess the possibility of formation of elemental carbon by interaction between iron carbide and oxides, experimental modeling...
Journal Article
Edscottite, Fe 5 C 2 , a new iron carbide mineral from the Ni-rich Wedderburn IAB iron meteorite Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 September 2019
American Mineralogist (2019) 104 (9): 1351–1355.
...Chi Ma; Alan E. Rubin Abstract Edscottite (IMA 2018-086a), Fe 5 C 2 , is a new iron carbide mineral that occurs with low-Ni iron (kamacite), taenite, nickelphosphide (Ni-dominant schreibersite), and minor cohenite in the Wedder-burn iron meteorite, a Ni-rich member of the group IAB complex...
Journal Article
Thermoelastic property and high-pressure stability of Fe 7 C 3 : Implication for iron-carbide in the Earth’s core Available to Purchase
Yoichi Nakajima, Eiichi Takahashi, Nagayoshi Sata, Yu Nishihara, Kei Hirose, Ken-ichi Funakoshi, Yasuo Ohishi
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2011
American Mineralogist (2011) 96 (7): 1158–1165.
... calculations, Wood (1993) suggested that an iron-carbide Fe 3 C might be a constituent of the Earth’s inner core that solidified from the carbon-rich liquid outer core. However, recent high-pressure experiments on the Fe-C system have shown that Fe 7 C 3 rather than Fe 3 C might be stabilized under core...
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HAADF image of a graphite – iron carbide inclusion in diamond (foil #2049).... Available to Purchase
Published: 01 April 2011
F ig . 5. HAADF image of a graphite – iron carbide inclusion in diamond (foil #2049). Iron carbide is developed along the interface with diamond and as finely dispersed bright spots in the graphite matrix.
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Iron carbide lamellae in foil no. 4588. ( a ) HAADF image of two iron carbi... Available to Purchase
in Nitrides and carbonitrides from the lowermost mantle and their importance in the search for Earth's “lost” nitrogen
> American Mineralogist
Published: 01 August 2017
Figure 4. Iron carbide lamellae in foil no. 4588. ( a ) HAADF image of two iron carbide lamellae within the iron carbonitride grain included within diamond. The areas over which EDX analyses were determined are shown in red squares (1 = a brighter contrasted volume within the lamella; 2
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The structure of the iron carbide cohenite [(Fe,Ni,Co) 3 C] (orthorhombic, ... Available to Purchase
Published: 01 January 2013
Figure 6 The structure of the iron carbide cohenite [(Fe,Ni,Co) 3 C] (orthorhombic, space group Pbnm; a = 4.518 Å, b = 5.069 Å; c = 6.736 Å; Z = 4). Carbon and iron atoms appear in blue and gold, respectively. [ Animation 4 : For readers of the electronic version, click the image
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TEM bright-field image of iron carbide platelets in a plate-like inclusion ... Available to Purchase
Published: 01 April 2011
F ig . 8. TEM bright-field image of iron carbide platelets in a plate-like inclusion in diamond (foil #2063). The strong dark diffraction contrast of the iron carbide platelets is due to the similar orientation of the individual platelets, oriented with a low-index zone axis parallel
Journal Article
The role of rocks saturated with metallic iron in the formation of ferric carbonate–silicate melts: experimental modeling under PT-conditions of lithospheric mantle Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 January 2015
Russ. Geol. Geophys. (2015) 56 (1-2): 143–154.
... in the crystallization of iron carbide in assemblage with magnesiowustite (Fe# = 0.75–0.85). It is shown that the reduction of carbonate or CO 2 fluid by iron carbide and parallel redox interaction of magnesiowustite with CO 2 produce graphite in assemblage with Fe 3+ -containing magnesiowüstite. In the temperature...
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TEM images of a plate-like inclusion in diamond, composed of iron carbide i... Available to Purchase
Published: 01 April 2011
F ig . 6. TEM images of a plate-like inclusion in diamond, composed of iron carbide in a graphite matrix (foil #2053). A) Bright field (BF) image. The dark rounded shadow is due to the perforated carbon film onto which the TEM foil rests. B) Dark field (DF) image. The bright areas represent iron
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High-resolution TEM image of the top of an iron carbide platelet tip in foi... Available to Purchase
Published: 01 April 2011
F ig . 9. High-resolution TEM image of the top of an iron carbide platelet tip in foil #2063. The tip is coated with a thin ( ca . 5–6 nm) layer of graphite. Lattice fringes of (0002) graphite displayed in the image have a spacing of 0.335 nm. The assemblage of iron carbide with the well
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