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all geography including DSDP/ODP Sites and Legs
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Africa
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Washington County New York (2)
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Ohio
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Trumbull County Ohio (1)
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Ohio River (1)
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Comanche County Oklahoma (2)
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Texas
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U. S. Rocky Mountains
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oil and gas fields (6)
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elements, isotopes
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carbon
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hydrogen (1)
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isotope ratios (9)
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isotopes
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stable isotopes
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C-13/C-12 (8)
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Fe-56/Fe-54 (1)
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O-18/O-16 (6)
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S-34/S-32 (1)
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Sr-87/Sr-86 (4)
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metals
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alkaline earth metals
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barium (1)
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strontium
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germanium (1)
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iron
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Fe-56/Fe-54 (1)
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rare earths (2)
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nitrogen
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N-15/N-14 (2)
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oxygen
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O-18/O-16 (6)
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sulfur
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S-34/S-32 (1)
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fossils
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Pisces
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Mammalia
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Lagomorpha (1)
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Reptilia
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Anapsida
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Cotylosauria
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Captorhinomorpha
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Synapsida
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Pelycosauria (2)
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Graptolithina
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Dendroidea (1)
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Graptoloidea (6)
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Hemichordata (10)
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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 (4)
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Insecta (1)
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Phacopida
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Ptychopariida
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Brachiopoda
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Articulata
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Orthida (1)
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Rhynchonellida
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Strophomenida (2)
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Inarticulata (1)
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Scyphozoa
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Echinodermata
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Crinozoa
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Echinozoa
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Homalozoa
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Mollusca
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Bivalvia
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Cephalopoda
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Textulariina
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Radiolaria (4)
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Vermes
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scolecodonts (3)
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microfossils
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Conodonta (20)
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palynomorphs
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Plantae
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algae
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problematic fossils (2)
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geochronology methods
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Cenozoic
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Tertiary
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upper Pliocene
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Rexroad Formation (1)
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Paleogene
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Mesozoic
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Upper Cretaceous
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Campanian
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upper Campanian (1)
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Horseshoe Canyon Formation (1)
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Pierre Shale (1)
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Jurassic
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Fernie Formation (1)
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Middle Jurassic
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Callovian (1)
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Upper Jurassic
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Arab Formation (1)
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Kimmeridgian (1)
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Oxfordian (1)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (3)
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Middle Triassic
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Doig Formation (1)
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Upper Triassic
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lower Paleozoic
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Cape Phillips Formation (4)
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Martinsburg Formation (1)
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Middle Ordovician
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Upper Ordovician
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Viola Limestone (1)
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Permian
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Blaine Formation (1)
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Lower Permian
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Clear Fork Group (1)
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Road River Formation (1)
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Silurian
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Lockport Formation (1)
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Lower Silurian
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Llandovery
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Wenlock (4)
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Rochester Formation (1)
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Ludlow (1)
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arkose (1)
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coal
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