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Lower Mississippian
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Middle Mississippian (1)
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Pennsylvanian
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Upper Carboniferous (1)
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Deadwood Formation (1)
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Devonian
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Upper Devonian
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lower Paleozoic (2)
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Ordovician
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Permian
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Guadalupian
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Capitan Formation (1)
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Lower Permian
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Asselian (1)
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Wolfcampian (2)
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Silurian
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Vassalboro Formation (1)
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-
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Phanerozoic (4)
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Precambrian
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Biwabik Iron Formation (1)
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upper Precambrian
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igneous rocks
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volcanic ash (1)
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silica minerals
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opal
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quartz (3)
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zeolite group
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thomsonite (1)
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orthosilicates
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vanadium garnet (1)
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sorosilicates
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epidote group
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epidote (2)
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ring silicates
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clay minerals
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illite (3)
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sulfates
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sulfides
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Primary terms
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absolute age (4)
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Africa
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carbon
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Caribbean region
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Cenozoic
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Stone Age
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Tertiary
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Neogene
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Pannonian (1)
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Ogallala Formation (1)
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Pliocene
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upper Pliocene
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Sisquoc Formation (1)
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Paleogene
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middle Eocene (1)
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upper Eocene
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Ocala Group (1)
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Central America
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Chordata
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Deep Sea Drilling Project
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IPOD
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Leg 85 (1)
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Leg 26
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DSDP Site 250 (1)
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DSDP Site 256 (1)
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DSDP Site 257 (1)
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Leg 27
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DSDP Site 259 (1)
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Leg 28
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DSDP Site 269 (1)
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Leg 30
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DSDP Site 287 (1)
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Leg 31
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DSDP Site 290 (1)
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Leg 41
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DSDP Site 366 (1)
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DSDP Site 367 (1)
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Leg 43
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DSDP Site 382 (1)
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DSDP Site 385 (1)
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deformation (3)
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faults (7)
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igneous rocks
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Indian Ocean
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Integrated Ocean Drilling Program (1)
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Invertebrata
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Trilobitomorpha
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Bryozoa (1)
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Echinodermata
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Mollusca
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Coleoidea
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Gastropoda (1)
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Textulariina
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Radiolaria
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Osculosida
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Tintinnidae
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Vermes (1)
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isotopes
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C-13/C-12 (20)
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O-18/O-16 (14)
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S-34/S-32 (2)
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limestone deposits (1)
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Mediterranean region
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Mesozoic
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Maestrichtian
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upper Maestrichtian (1)
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Niobrara Formation (1)
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Franciscan Complex (1)
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Jurassic
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Maiolica Limestone (1)
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Triassic
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upper Mesozoic (1)
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metal ores
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arsenic (1)
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ocean circulation (2)
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Ocean Drilling Program
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Leg 151
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ODP Site 910 (1)
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ODP Site 911 (1)
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Leg 154
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ODP Site 925 (1)
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Oceania
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Melanesia
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Ouegoa New Caledonia (1)
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Polynesia
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oceanography (2)
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oxygen
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O-18/O-16 (14)
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Pacific Ocean
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paleoclimatology (13)
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Paleozoic
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Cambrian
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Carboniferous
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Pennsylvanian
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Deadwood Formation (1)
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Devonian
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Lochkovian (1)
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Upper Devonian
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Frasnian (1)
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lower Paleozoic (2)
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Ordovician
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Permian
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Council Grove Group (1)
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Capitan Formation (1)
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Lower Permian
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Cisuralian
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Asselian (1)
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Sakmarian (1)
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Wolfcampian (2)
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Silurian
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Vassalboro Formation (1)
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palynomorphs
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Dinoflagellata (5)
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miospores
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paragenesis (3)
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petroleum
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Plantae
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Chlorophyta
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Coccolithophoraceae
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Microcodium (1)
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nannofossils
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Spermatophyta
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Gymnospermae
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Coniferales
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Pinaceae
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plate tectonics (4)
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pollution (2)
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Precambrian
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Archean
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Mesoarchean (1)
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Biwabik Iron Formation (1)
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Pongola Supergroup (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic (1)
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Neoproterozoic
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Ediacaran (2)
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Paleoproterozoic (2)
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Pretoria Group (1)
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problematic fossils
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clastic rocks
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oil shale (2)
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sedimentation (25)
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sediments
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marine sediments (9)
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soils
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South America
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Venezuela (2)
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springs (1)
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stratigraphy (18)
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sulfur
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S-34/S-32 (2)
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tectonics (9)
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United States
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Alaska
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