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all geography including DSDP/ODP Sites and Legs
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Vermes
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Burdigalian (1)
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Baynunah Formation (1)
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Mirador Formation (1)
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Mesozoic
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Cretaceous
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Paleozoic
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Sulphur Point Formation (1)
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Upper Ordovician
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Utica Shale (1)
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Permian
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Proterozoic
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sulfides
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Primary terms
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Africa
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East Africa
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Tanzania (1)
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Asia
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Arabian Peninsula
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Arabian Shield (1)
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Oman
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Far East
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Yangtze Platform (1)
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Japan
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Korea
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Indian Peninsula
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Middle East
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Atlantic Ocean
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Gulf of Mexico (1)
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Australasia
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Australia
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Western Australia
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Kalgoorlie Terrane (1)
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Yilgarn Craton (1)
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biogeography (2)
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Canada
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Eastern Canada
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Western Canada
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Alberta (2)
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Northwest Territories (1)
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Saskatchewan (1)
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Selwyn Basin (2)
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Yukon Territory (2)
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carbon
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C-13/C-12 (2)
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C-14 (1)
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organic carbon (1)
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Cenozoic
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Quaternary
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Pleistocene
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upper Pleistocene (1)
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upper Quaternary (1)
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Tertiary
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Neogene
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Miocene
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lower Miocene
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Burdigalian (1)
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upper Miocene
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Baynunah Formation (1)
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Paleogene
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Eocene
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Mirador Formation (1)
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Oligocene (1)
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Paleocene (1)
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Chordata
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Vertebrata
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Reptilia
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lamproite (1)
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Indian Ocean
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Invertebrata
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Chelicerata (1)
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Mandibulata
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Insecta (1)
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Trilobitomorpha
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Trilobita (2)
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Cnidaria
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Anthozoa
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Zoantharia
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Tabulata (1)
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Echinodermata
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Echinozoa
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Cyclocystoidea (1)
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Porifera
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Stromatoporoidea (2)
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Protista
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Radiolaria (1)
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Vermes
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Priapulida (1)
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isostasy (1)
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isotopes
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radioactive isotopes
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C-14 (1)
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stable isotopes
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C-13/C-12 (2)
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D/H (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (2)
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S-34/S-32 (1)
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Sr-87/Sr-86 (1)
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mantle (2)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Albian (1)
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Upper Cretaceous
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Belly River Formation (1)
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Maestrichtian (2)
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Oldman Formation (1)
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Senonian (2)
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-
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Jurassic
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Upper Jurassic (1)
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Triassic
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Upper Triassic
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Chinle Formation (1)
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metal ores
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copper ores (1)
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iron ores (1)
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lead ores (3)
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lead-zinc deposits (3)
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nickel ores (1)
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zinc ores (3)
-
-
metals
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actinides
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thorium (1)
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uranium (1)
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (1)
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-
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aluminum (1)
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platinum group
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osmium (1)
-
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rare earths
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europium (1)
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neodymium
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Nd-144/Nd-143 (1)
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yttrium (1)
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rhenium (1)
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metamorphic rocks
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marbles (1)
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metaigneous rocks (1)
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metasomatic rocks (1)
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metamorphism (1)
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Mexico (1)
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mineral deposits, genesis (2)
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mineral exploration (2)
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North America
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Appalachians
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Central Appalachians (1)
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-
Gulf Coastal Plain (2)
-
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Oceania
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Polynesia
-
Niue (1)
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oil and gas fields (1)
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orogeny (4)
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oxygen
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O-18/O-16 (2)
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paleoecology (3)
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paleogeography (3)
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Paleozoic
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Cambrian
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Lower Cambrian (4)
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Upper Cambrian (2)
-
-
Devonian
-
Middle Devonian
-
Sulphur Point Formation (1)
-
-
-
Ordovician
-
Middle Ordovician
-
Decorah Shale (1)
-
Platteville Formation (1)
-
-
Upper Ordovician
-
Katian (2)
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Sandbian (1)
-
-
Utica Shale (1)
-
-
Permian
-
Guadalupian
-
Capitanian (1)
-
-
Longtan Formation (1)
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-
Silurian
-
Lower Silurian (1)
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Upper Silurian (1)
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palynomorphs (1)
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petroleum
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natural gas (1)
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plate tectonics (3)
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Precambrian
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upper Precambrian
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Proterozoic
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Neoproterozoic
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Ediacaran (2)
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Vendian (1)
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problematic fossils (3)
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Pterobranchia (1)
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remote sensing (2)
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soils
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South America
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Andes
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Eastern Cordillera (5)
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Northern Andes (2)
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Western Cordillera (1)
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Chile (1)
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Colombia
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Magdalena Valley (3)
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Ecuador (1)
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Peru (1)
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Venezuela
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Lake Maracaibo (1)
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Zulia Venezuela (1)
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stratigraphy (2)
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structural analysis (1)
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sulfur
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S-34/S-32 (1)
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tectonics
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salt tectonics (1)
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United States
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Arizona
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Apache County Arizona (1)
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Petrified Forest National Park (1)
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California (1)
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Illinois
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Lee County Illinois (1)
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Louisiana (1)
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Midcontinent (1)
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Mississippi
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Forrest County Mississippi (1)
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Perry County Mississippi (1)
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Mississippi River (1)
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Missouri
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Jefferson County Missouri (1)
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Nevada (1)
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New York
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Herkimer County New York (1)
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Pennsylvania
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Bedford County Pennsylvania (1)
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Blair County Pennsylvania (1)
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Huntingdon County Pennsylvania (1)
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Tennessee
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Rutherford County Tennessee (1)
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Utah (1)
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rock formations
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sedimentary rocks
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carbonate rocks (1)
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clastic rocks
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bentonite (1)
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black shale (1)
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conglomerate (1)
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sandstone (4)
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shale (1)
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coal (1)
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siliciclastics (1)
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sedimentary structures
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coprolites (1)
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sedimentary structures
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biogenic structures
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bioturbation (1)
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Usme Formation
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Image
Field photographs of the Soltanieh Formation in the Sarbandan section. (a) ...
in Provenance and geochemical variations across the Ediacaran–Cambrian transition in the Soltanieh Formation, Alborz Mountains, Iran
> Geological Magazine
Published: 09 July 2018
Middle Dolomite Member (MDM) and Upper Shale Member (USM) of the Soltanieh Formation. (g, h) Complex trace fossils from the USM of the Soltanieh Formation.
Image
( a ) Image showing the continuous succession from the Middle Sandstone Mem...
in Sedimentological responses to initial continental collision: triggering of sand injection and onset of mass movement in a syn-collisional trench basin, Saga, southern Tibet
> Journal of the Geological Society
Published: 21 May 2021
Fig. 9. ( a ) Image showing the continuous succession from the Middle Sandstone Member (MSM) to the Zheya Formation: the Upper Sandstone Member (USM), the Uppermost Denggang Formation (U m D) and the Sangdanlin Formation (SF). Characteristics of ( b ) MTD II and ( c ) MTD III. Person (outlined
Journal Article
Provenance and geochemical variations across the Ediacaran–Cambrian transition in the Soltanieh Formation, Alborz Mountains, Iran
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 09 July 2018
Geological Magazine (2019) 156 (7): 1157–1174.
... Middle Dolomite Member (MDM) and Upper Shale Member (USM) of the Soltanieh Formation. (g, h) Complex trace fossils from the USM of the Soltanieh Formation. ...
Image
Outcrop photograph facing westward across the El Papalote diapir. The diapi...
in Halokinetic Sequence Stratigraphy Adjacent to the El Papalote Diapir, Northeastern Mexico
> AAPG Bulletin
Published: 01 May 2002
Figure 6 Outcrop photograph facing westward across the El Papalote diapir. The diapir is approximately 2 km across. MSM = middle siltstone member; UMM = upper mudstone member; USM = upper siltstone member of the Potrerillos Formation.
Journal Article
Normal fault growth and its function on the control of sedimentation during basin formation: A case study from field exposures of the Upper Cambrian Owen Conglomerate, West Coast Range, western Tasmania, Australia
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 October 2006
AAPG Bulletin (2006) 90 (10): 1609–1630.
... localization and the abandonment of antithetic faults. Renewed fault initiation led to further fault growth prior to the transition to rift climax stage, with the development of a throughgoing, linked array. Boundary faults propagated to near-maximum length prior to significant basin formation, whereas segment...
Journal Article
Non-hydrothermal origin of apatite in SEDEX mineralization and host rocks of the Howard’s Pass district, Yukon, Canada
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 May 2016
American Mineralogist (2016) 101 (5): 1061–1071.
... mudstone (USMS) ( Morganti 1979 ). The Steel Formation conformably overlies the Duo Lake Formation and is informally named the Flaggy mudstone (FLMD) ( Morganti 1979 ). Zinc-Pb SEDEX deposits, for which the HPD is renowned, are hosted within the ACTM. Conodont and graptolite biostratigraphic determinations...
Journal Article
Effects of black shale weathering on the mobility of rhenium and platinum group elements
Journal: Geology
Publisher: Geological Society of America
Published: 01 May 2000
Geology (2000) 28 (5): 475–478.
.... Based on the biostratigraphic relationships and the U-Pb zircon ages for the base of the Wilderness (464 Ma) and the uppermost Edenian (443 Ma) formations as well as global graptolite biostratigraphy and evolution rates calculated for individual graptolite species ( Kirk, 1980 ; Harland et al., 1990...
Journal Article
Development of the Colombian foreland-basin system as a consequence of diachronous exhumation of the northern Andes
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 September 2005
GSA Bulletin (2005) 117 (9-10): 1272–1292.
... footnote 1 ). In the third sequence (middle Eocene–Oligocene), fluvial sandstones of the Regadera Formation ( Hoorn, 1988 ) and equivalent Picacho Formation are transitional upward into mudstones with foraminifera and oolitic iron of the Usme and Concentración Formations, which record renewed marine...
Image
Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-be...
in Diverse labechiid stromatoporoids from the Upper Ordovician Xiazhen Formation of South China and their paleobiogeographic implications
> Journal of Paleontology
Published: 01 May 2022
Figure 2. Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-bearing intervals. The red-colored intervals indicate where labechiid stromatoporoids were found mostly together with clathrodictyids, except S6 and S8 intervals. The black-colored intervals indicate where only
Image
Stratigraphic columns showing relevant portions of the Upper Ordovician Xia...
in Corallite increase in the Late Ordovician coral Agetolites , and its taxonomic implication
> Journal of Paleontology
Published: 01 September 2019
Figure 2. Stratigraphic columns showing relevant portions of the Upper Ordovician Xiazhen Formation at sub-sections ZU 1 and ZU 2, Zhuzhai, South China (modified after Lee et al., 2012 ; for complete columns and correlation, see Lee et al., 2012 , figs. 4, 8). Specimens examined in this study
Image
Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-be...
in Rise of clathrodictyid stromatoporoids during the Great Ordovician Biodiversification Event: insights from the Upper Ordovician Xiazhen Formation of South China
> Journal of Paleontology
Published: 01 November 2022
Figure 2. Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-bearing intervals. The red-colored intervals (S1–S5, S7, S9–S18, and lower and upper parts of subsection ZU3) indicate where clathrodictyid stromatoporoids were found. The black-colored intervals (S6 and S8
Journal Article
DESCRIBING DIFFICULT SHELL-HASH ASSEMBLAGES FROM THE LOWER CAMBRIAN SOLTANIEH FORMATION, ALBORZ MOUNTAINS, NORTHERN IRAN
AMELIA LINDSAY-KAUFMAN, STEPHANIE A. ROSBACH, LAUREN S. WRIGHT, EMILY L.V. EDWARDS, SEYED HAMID VAZIRI, MAHMOUD REZA MAJIDIFARD, TARA SELLY, MARC LAFLAMME, JAMES D. SCHIFFBAUER
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 26 July 2022
PALAIOS (2022) 37 (7): 374–391.
... of poorly preserved shelly tubicolous organisms in two fossiliferous slabs from the Soltanieh Formation, northern Iran. Analysis of the taphonomy of this fossil assemblage using thin-section petrography, scanning electron microscopy, and energy dispersive X-ray spectroscopy, suggests a two-part...
Journal Article
Stratigraphic architecture of the Oldman Formation, Belly River Group, surface and subsurface of southern Alberta
Publisher: Canadian Society of Petroleum Geologists
Published: 01 June 1997
Bulletin of Canadian Petroleum Geology (1997) 45 (2): 155–177.
... and tributaries, Townships 8-14, Ranges 13W4-19W4. Table 1. Locations of six cores and eleven outcrops utilized in this study, indicating those that appear on figures in this paper. TCZ = Tabor Coal Zone; CM = Comrey Member of the Oldman Formation; usm = "upper siltstone" member of the Oldman Formation; DPF...
Image
Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S o...
in Sulfur isotopes of host strata for Howards Pass (Yukon–Northwest Territories) Zn-Pb deposits implicate anaerobic oxidation of methane, not basin stagnation
> Geology
Published: 07 June 2018
Figure 2. Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S of total pyrite (red), and δ 13 C of carbonate (blue) in the Duo Lake Formation (Selwyn Basin, northwestern Canada). Horizontal bars show member-averaged δ 34 S values for pyrite separates (from Goodfellow
Image
Stratigraphy of the Gufeng Formation and the binary chert-mudstone successi...
in Guadalupian (Permian) onset of subduction zone volcanism and geodynamic turnover from passive- to active-margin tectonics in southeast China
> GSA Bulletin
Published: 14 May 2019
into the lower shale member (LSM), middle chert-mudstone member (MCM), and upper shale member (USM), between the Qixia and Longtan Formations ( BGAP, 1978 ). Biostratigraphy of the Gufeng Formation is modified after BGAP (1978 ) and X. Yao et al. (2015) . Fusulinid zonation of the upper Qixia Formation
Journal Article
Gone with the wind: dune provenance and sediment recycling in the northern Rub’ al-Khali, United Arab Emirates
Andrew R. Farrant, Ian Mounteney, Amy Burton, Robert J. Thomas, Nick M. W. Roberts, Robert W. O. Knox, Thomas Bide
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 06 December 2018
Journal of the Geological Society (2019) 176 (2): 269–283.
... ( Fig. 4c ) shows a discrete population with coequal concentrations of Ca, Fe and Mg. The USM ( Fig. 4b ) component of the Ghaythi Formation shows a bias towards Cr-spinel, which is also reflected in the USMG ( Fig. 4d ). The Sabkha Mati gravels are a suite of deflated and reworked fluvial sands...
Journal Article
High‐Resolution Topography‐Derived Offsets along the 1857 Fort Tejon Earthquake Rupture Trace, San Andreas Fault
Publisher: Seismological Society of America
Published: 01 June 2012
Bulletin of the Seismological Society of America (2012) 102 (3): 1135–1154.
... and reconstruction of preceding earthquakes along the 1857 rupture trace have contributed to formulation of the characteristic earthquake ( CEM ) and uniform‐slip models ( USM ) for earthquake recurrence that find wide application in seismic hazard assessment and earthquake forecasting. We used the high‐resolution...
Includes: Supplemental Content
Journal Article
Geophysical Study and 3-D Modeling of Site Effects in Viña del Mar, Chile
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 August 2019
Earthquake Spectra (2019) 35 (3): 1329–1349.
... area. The overlying basin infilling includes semiconsolidated marine terraces of the Navidad Formation (Miocene) outcropping in the northern limit of the study area, mainly clayey sandstone, fine-grain sandstone, and coarse-grain sandstone. On top of this sequence, we find fluvial unconsolidated...
Journal Article
Sulfur isotopes of host strata for Howards Pass (Yukon–Northwest Territories) Zn-Pb deposits implicate anaerobic oxidation of methane, not basin stagnation
Journal: Geology
Publisher: Geological Society of America
Published: 07 June 2018
Geology (2018) 46 (7): 619–622.
...Figure 2. Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S of total pyrite (red), and δ 13 C of carbonate (blue) in the Duo Lake Formation (Selwyn Basin, northwestern Canada). Horizontal bars show member-averaged δ 34 S values for pyrite separates (from Goodfellow...
Journal Article
Orogenic wedge advance in the northern Andes: Evidence from the Oligocene-Miocene sedimentary record of the Medina Basin, Eastern Cordillera, Colombia
Mauricio Parra, Andrés Mora, Carlos Jaramillo, Manfred R. Strecker, Edward R. Sobel, Luis Quiroz, Milton Rueda, Vladimir Torres
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 May 2009
GSA Bulletin (2009) 121 (5-6): 780–800.
... and Marichuela Formations; Helmens and Van der Hammen, 1994 ) rest unconformably on middle Eocene to lower Oligocene nonmarine sediments (Usme and Regadera Formations; Hoorn et al., 1987 ; Kammer, 2003 ; Gómez et al., 2005 ; Fig. 2 ). In contrast, a complete record of Cenozoic sedimentation is exposed...
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