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all geography including DSDP/ODP Sites and Legs
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palynomorphs
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acritarchs (64)
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Chitinozoa (4)
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Dinoflagellata (33)
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miospores
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Classopollis (1)
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pollen (12)
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Plantae
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algae
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Chlorophyta
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Charophyta (1)
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Chlorophyceae
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Dasycladaceae (2)
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Tasmanites (2)
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Chrysophyta (5)
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Coccolithophoraceae
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Emiliania
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Emiliania huxleyi (1)
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diatoms
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Nitzschia (1)
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Epiphyton (1)
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nannofossils
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Sphenolithus (1)
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Rhodophyta
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Corallinaceae (1)
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Bryophyta (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Compositae (1)
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Monocotyledoneae
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Palmae (1)
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Gymnospermae
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Coniferales
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Araucariaceae
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Araucaria (1)
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Cycadales (1)
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Gnetales (1)
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problematic fossils
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problematic microfossils (30)
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prokaryotes (21)
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Pterobranchia (4)
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thallophytes (5)
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trails (2)
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geochronology methods
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paleomagnetism (16)
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tephrochronology (2)
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thermochronology (2)
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U/Pb (39)
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U/Th/Pb (2)
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geologic age
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Cenozoic
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lower Cenozoic (1)
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Quaternary
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Holocene
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Pleistocene
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upper Pleistocene
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Eemian (2)
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upper Quaternary (1)
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Tertiary
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Florissant Lake Beds (1)
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Neogene
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Miocene
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Astoria Formation (1)
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Barstow Formation (1)
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Guantao Formation (1)
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lower Miocene
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Aquitanian (2)
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middle Miocene (2)
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Puerto Madryn Formation (1)
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upper Miocene
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Messinian
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Messinian Salinity Crisis (1)
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Pliocene
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lower Pliocene (2)
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Sisquoc Formation (1)
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Paleogene
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Dongying Formation (2)
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Eocene
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Green River Formation (1)
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middle Eocene (5)
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upper Eocene (4)
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Werillup Formation (1)
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lower Paleogene (1)
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Oligocene
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lower Oligocene (3)
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upper Oligocene
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Chattian (2)
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Paleocene
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lower Paleocene
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Danian (1)
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K-T boundary (2)
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Paleocene-Eocene Thermal Maximum (4)
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Shahejie Formation (2)
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upper Cenozoic (2)
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Dalradian (2)
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Mesozoic
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Cretaceous
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Dakota Formation (1)
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Lower Cretaceous
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Albian
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lower Albian (1)
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upper Albian (1)
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Aptian (7)
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Barremian (1)
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Crato Formation (2)
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Mowry Shale (1)
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Middle Cretaceous (1)
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Mishash Formation (2)
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Upper Cretaceous
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Campanian
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upper Campanian (1)
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Cenomanian (6)
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Coniacian (1)
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Ghareb Formation (1)
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Gulfian
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Eagle Ford Formation (1)
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Kodiak Formation (1)
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K-T boundary (2)
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La Luna Formation (1)
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Lameta Formation (1)
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Maestrichtian
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lower Maestrichtian (1)
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Menuha Formation (1)
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Senonian (2)
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Turonian (4)
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Two Medicine Formation (1)
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-
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Franciscan Complex (1)
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Jurassic
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Bazhenov Formation (3)
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Lower Jurassic
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Hettangian (1)
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Pliensbachian (4)
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Toarcian
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lower Toarcian (2)
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Triassic-Jurassic boundary (1)
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upper Liassic (1)
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Middle Jurassic
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Bathonian (1)
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Callovian (1)
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Posidonia Shale (2)
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Upper Jurassic
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Arab Formation (1)
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Bossier Formation (1)
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Bowser Lake Group (1)
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Hanifa Formation (1)
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Kimmeridgian (1)
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Oxfordian (2)
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Volgian (1)
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-
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Sandilands Formation (1)
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Triassic
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Lower Triassic
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Induan (1)
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Permian-Triassic boundary (10)
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Spathian (1)
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Middle Triassic
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Ladinian (1)
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Moenkopi Formation (2)
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Upper Triassic
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Carnian (1)
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Chinle Formation (1)
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Norian (1)
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Rhaetian (1)
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Triassic-Jurassic boundary (1)
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upper Mesozoic
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Yixian Formation (1)
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MIS 5 (1)
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Paleozoic
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Berea Sandstone (1)
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Cambrian
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Brigham Group (1)
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Lower Cambrian
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Atdabanian (1)
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Poleta Formation (1)
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Terreneuvian
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Fortunian (3)
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Tommotian (4)
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Yudoma Series (1)
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Middle Cambrian
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Burgess Shale (8)
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Wheeler Formation (1)
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Semri Series (1)
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Upper Cambrian
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Furongian (1)
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Steptoean (1)
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Carboniferous
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Lower Carboniferous (1)
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Mississippian
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Barnett Shale (1)
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Lower Mississippian
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Tournaisian (1)
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Middle Mississippian
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Visean (2)
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Sunbury Shale (1)
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Pennsylvanian
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Middle Pennsylvanian
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Breathitt Formation (1)
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Smithwick Shale (1)
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Upper Pennsylvanian
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Virgilian
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Lecompton Limestone (1)
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Oread Limestone (1)
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Chattanooga Shale (1)
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Devonian
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Lower Devonian
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Lochkovian (1)
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Middle Devonian
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Eifelian (1)
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Givetian (3)
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Muth Quartzite (1)
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Upper Devonian
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Famennian (1)
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Frasnian (1)
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Kellwasser event (1)
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Ohio Shale (1)
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-
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Hunton Group (1)
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lower Paleozoic
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Cape Phillips Formation (1)
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middle Paleozoic (2)
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Ordovician
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Lower Ordovician
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Tremadocian (1)
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Martinsburg Formation (1)
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Middle Ordovician
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Darriwilian (4)
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Decorah Shale (1)
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Galena Dolomite (1)
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Platteville Formation (1)
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Pogonip Group (1)
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Trenton Group (1)
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Upper Ordovician
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Ashgillian (2)
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Bighorn Dolomite (1)
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Caradocian (1)
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Cincinnatian (1)
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Hirnantian (3)
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Katian (3)
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Mohawkian (1)
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Sandbian (2)
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Yeoman Formation (1)
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Vinini Formation (1)
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Permian
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Guadalupian
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Capitanian (2)
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Tansill Formation (1)
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Khuff Formation (1)
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Longtan Formation (1)
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Lower Permian
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Cisuralian (1)
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Middle Permian (4)
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Upper Permian
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Changxing Formation (1)
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Lopingian
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Changhsingian (3)
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Permian-Triassic boundary (10)
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Zechstein (2)
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Yates Formation (1)
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Sauk Sequence (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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Aeronian (1)
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Tuscarora Formation (1)
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Wenlock
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Homerian (1)
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Upper Silurian
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Ludlow
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Gorstian (1)
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Pridoli (1)
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upper Paleozoic
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Bakken Formation (1)
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Woodford Shale (4)
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Phanerozoic (31)
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Precambrian
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Animikie Group (3)
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Archean
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Mesoarchean (3)
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Neoarchean (9)
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Paleoarchean (3)
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Swaziland Supergroup (1)
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Warrawoona Group (1)
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Bijawar System (2)
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Biwabik Iron Formation (1)
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Chuar Group (10)
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Fortescue Group (2)
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Gunflint Iron Formation (4)
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Hadean (1)
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Hamersley Group (3)
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Hazel Formation (1)
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Hecla Hoek Formation (1)
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Johnnie Formation (1)
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Kingston Peak Formation (5)
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Minas Supergroup (1)
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Nonesuch Shale (3)
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Noonday Dolomite (2)
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Pahrump Series (4)
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Pongola Supergroup (3)
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Purcell System (1)
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Transvaal Supergroup (3)
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Uinta Mountain Group (2)
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upper Precambrian
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Mahakoshal Group (1)
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Proterozoic
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Bambui Group
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