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all geography including DSDP/ODP Sites and Legs
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Africa
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North Africa
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Morocco (1)
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Southern Africa
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South Africa
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Free State South Africa
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West Africa
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Nigeria
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Alpine Fault (2)
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China
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Europe
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United Kingdom
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Highland region Scotland
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Mediterranean region
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Mediterranean Sea
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Mexico
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Mexico state
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NanTroSEIZE
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IODP Site C0004 (1)
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IODP Site C0012 (1)
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North America
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North Pacific
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South Pacific
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West Pacific
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Pacific region (1)
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South America
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Brazil (1)
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United States
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Arkansas
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California
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Mississippi River (1)
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Missouri
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Montana (2)
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Nevada
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Ohio (1)
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Pennsylvania (1)
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Texas
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Balcones fault zone (1)
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U. S. Rocky Mountains
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Utah
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San Juan County Utah (1)
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Virginia (1)
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Washington
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Skamania County Washington
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West Virginia (1)
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Western U.S. (1)
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Wyoming
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Heart Mountain Fault (3)
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commodities
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construction materials
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geothermal energy (1)
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metal ores
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oil and gas fields (7)
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petroleum
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natural gas
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tight sands (2)
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elements, isotopes
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chemical elements (1)
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isotopes
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metals
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iron (1)
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rare earths (3)
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noble gases
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helium
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oxygen
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O-18/O-16 (1)
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trace metals (1)
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fossils
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burrows (1)
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geochronology methods
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paleomagnetism (2)
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thermochronology (3)
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geologic age
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Cenozoic
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Quaternary
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Holocene (1)
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Tertiary
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Neogene
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Miocene
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Columbia River Basalt Group (1)
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Pliocene (3)
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Paleogene
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Eocene
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Absaroka Supergroup (2)
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lower Paleogene (1)
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Oligocene
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upper Oligocene (1)
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Mesozoic
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Carrara Marble (1)
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Cretaceous
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Comanchean
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Lower Cretaceous
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Torok Formation (1)
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Upper Cretaceous
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Buda Limestone (1)
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Gulfian
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Eagle Ford Formation (2)
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Great Valley Sequence (1)
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Jurassic
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Upper Jurassic
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Haynesville Formation (1)
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Triassic
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Upper Triassic
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Yanshanian (3)
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Paleozoic
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Cambrian (2)
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Carboniferous
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Pennsylvanian
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Devonian
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Upper Devonian
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Permian
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upper Paleozoic
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Precambrian
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upper Precambrian
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Proterozoic
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igneous rocks
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volcanic rocks
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volcanic ash (2)
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metamorphic rocks
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metamorphic rocks
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metasedimentary rocks (1)
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halides
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minerals (1)
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framework silicates
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silica minerals
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quartz (5)
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orthosilicates
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olivine group
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sheet silicates
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mica group
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pyrophyllite (1)
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serpentine group
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talc (2)
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sulfates
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gypsum (2)
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Primary terms
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absolute age (3)
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Africa
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North Africa
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Morocco (1)
-
-
Southern Africa
-
South Africa
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Free State South Africa
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Vredefort Dome (2)
-
-
-
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West Africa
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Nigeria
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Niger Delta (2)
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-
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Antarctica
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Antarctic ice sheet
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East Antarctic ice sheet (1)
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East Antarctica (1)
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South Pole (1)
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Asia
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Baikal rift zone (1)
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Far East
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Borneo
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Brunei (1)
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East Malaysia
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Sabah Malaysia (1)
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China
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Chongqing China (1)
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Longmenshan (1)
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Ordos Basin (1)
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Shanxi China
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Taiyuan China (1)
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Sichuan Basin (1)
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Sichuan China (2)
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Xianshuihe fault zone (1)
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Japan
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Honshu
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Hyogo Japan
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Nojima Fault (1)
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Tokai Japan (1)
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Shimanto Belt (3)
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Korea
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South Korea
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Kyongsang Basin (1)
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Malaysia
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East Malaysia
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Sabah Malaysia (1)
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Taiwan
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Chelungpu Fault (2)
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Himalayas (1)
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Jammu and Kashmir
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Azad Kashmir Pakistan (1)
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Pakistan
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Azad Kashmir Pakistan (1)
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Potwar Plateau (1)
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Middle East
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Dead Sea (1)
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Dead Sea Rift (1)
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Iran
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Elburz (1)
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Turkey
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Kocaeli Turkey
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Izmit Turkey (1)
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North Anatolian Fault (1)
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Zagros (1)
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Atlantic Ocean
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North Atlantic
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Gulf of Guinea (1)
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Gulf of Mexico
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Eugene Island Block 330 Field (1)
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North Sea (4)
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Northeast Atlantic (1)
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South Atlantic
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Lower Congo Basin (1)
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Santos Basin (1)
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Australasia
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Canada
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Quebec
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Western Canada
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carbon
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Caribbean region
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West Indies
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Antilles
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Lesser Antilles
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Soufriere (1)
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Cenozoic
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Quaternary
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Holocene (1)
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Pleistocene (2)
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Tertiary
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Neogene
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Miocene
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Columbia River Basalt Group (1)
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Pliocene (3)
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Paleogene
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Eocene
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Absaroka Supergroup (2)
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lower Paleogene (1)
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Oligocene
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upper Oligocene (1)
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Central America
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Costa Rica (2)
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clay mineralogy (1)
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construction materials
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continental slope (1)
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friction
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Journal Article
Atomic-scale interlayer friction of gibbsite is lower than brucite due to interactions of hydroxyls
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 2023
American Mineralogist (2023) 108 (8): 1476–1482.
...Hanaya Okuda; Kenji Kawai; Hiroshi Sakuma Abstract To investigate the role of atomic-scale structure on the frictional properties of gibbsite, a dioctahedral-type aluminum hydroxide, we calculated the atomic-scale interlayer shear properties using the first-principles method based on density...
Includes: Supplemental Content
Journal Article
Numerical Simulation of Episodic Aseismic Slip Events as Incomplete Nucleation of Seismic Slip Due to Heterogeneous Stress Distribution
Publisher: Seismological Society of America
Published: 30 June 2023
Bulletin of the Seismological Society of America (2023) 113 (5): 2009–2025.
... conducted using a rate‐ and state‐dependent friction law to investigate the occurrence conditions of episodic aseismic slip events within a fault having uniform velocity‐weakening friction. When the velocity‐weakening zone is much wider than the critical nucleation zone size, a rupture that seismically...
Includes: Supplemental Content
Journal Article
How Does Thermal Pressurization of Pore Fluids Affect 3D Strike‐Slip Earthquake Dynamics and Ground Motions?
Publisher: Seismological Society of America
Published: 10 May 2023
Bulletin of the Seismological Society of America (2023) 113 (5): 1992–2008.
...Jagdish Chandra Vyas; Alice‐Agnes Gabriel; Thomas Ulrich; Paul Martin Mai; Jean‐Paul Ampuero ABSTRACT Frictional heating during earthquake rupture raises the fault‐zone fluid pressure, which affects dynamic rupture and seismic radiation. Here, we investigate two key parameters governing thermal...
Includes: Supplemental Content
Journal Article
Nonlinear Radiation Damping: A New Method for Dissipating Energy in Dynamic Earthquake Rupture Simulations
Journal: The Seismic Record
Publisher: Seismological Society of America
Published: 05 April 2023
The Seismic Record (2023) 3 (2): 69–76.
... energy, but the addition of inelasticity can make it difficult to select parameters and establish suitable initial conditions, and increases the model’s complexity and computational cost. We propose a new method that works by adding a nonlinear radiation damping term to the friction law...
Includes: Supplemental Content
Journal Article
Mid-crustal reactivation processes linked to frictional melting and deep void development during seismogenic slip: examples from the Lewisian Complex, NW Scotland
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 17 February 2023
Journal of the Geological Society (2023) 180 (2): jgs2022-037.
... at palaeodepths of 10–15 km, where frictional–viscous deformation synchronous with co-seismic frictional melting led to cycles of millimetre- to decimetre-scale cavity dilation and collapse. Although individual melt-generating slip surfaces may have become rapidly welded, faulting was able to repeatedly localize...
Journal Article
Seismicity Scenarios for the Remaining Operating Period of the Gas Field in Groningen, Netherlands
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 14 December 2022
Seismological Research Letters (2023) 94 (2A): 805–812.
...‐and‐state dependent friction with additional aftershocks fits the available data well. Despite the overall decreasing earthquake rate resulting from decreasing production volumes, scenario calculations based on simulated pressure and compaction data indicate a considerable probability that the maximum...
Journal Article
Fault surface morphology as an indicator for earthquake nucleation potential
Journal: Geology
Publisher: Geological Society of America
Published: 20 October 2022
Geology (2022) 50 (12): 1356–1360.
... in the field is lacking, especially for the phyllosilicate-rich gouges that are widely observed in natural faults. We integrated laboratory friction experiments with surface topography microscopy and demonstrated a quantitative correlation between frictional slip behavior and fault surface morphology...
Journal Article
A 1D Spring‐Slider Model with a Simple Poly‐Linear Failure Law Produces Rich Variations in Slip Behavior
Publisher: Seismological Society of America
Published: 19 August 2022
Bulletin of the Seismological Society of America (2022) 112 (6): 2795–2811.
..., precursory events, tremor and low‐frequency earthquakes. * Corresponding author: bolee@mit.edu 5 April 2022 © Seismological Society of America KEY POINTS Contact slip with poly‐linear friction has three stability regimes, depending on friction slope versus elastic loading slope...
Includes: Supplemental Content
Journal Article
Effect of Water on Mechanical Properties and Fracture Evolution of Fissured Sandstone under Uniaxial Compression: Insights from Experimental Investigation
Journal: Lithosphere
Publisher: GSW
Published: 27 June 2022
Lithosphere (2021) 2021 (Special 7): 5432283.
... mechanisms. (4) The presence of water accelerates the nucleation of microcracks at the tips of the prefabricated fissures, enlarges the range of microcrack coalescence, and facilitates the emergence of unstable cracks owing to an increase in pore water pressure and a decrease in the friction resistance...
Journal Article
Frictional Melting in Magma and Lava
Publisher: Mineralogical Society of America
Published: 01 May 2022
Reviews in Mineralogy and Geochemistry (2022) 87 (1): 919–963.
...Jackie E. Kendrick; Yan Lavallée Copyright © 2022 by the Mineralogical Society of America 2022 Mineralogical Society of America The product of frictional melting of geomaterials is termed “pseudotachylyte”. The name, first coined by Shand (1916) , represents the visual similarity...
Journal Article
Non-Magmatic Glasses
Publisher: Mineralogical Society of America
Published: 01 May 2022
Reviews in Mineralogy and Geochemistry (2022) 87 (1): 965–1014.
... temperatures, mineral protoliths, and local environmental conditions, resulting in equally variable disequilibrium melting, volatilization, mixing, and crystallization ( Sokol et al. 1998 ; Canil et al. 2018 ; Peretyazhko et al. 2018 ). Pseudotachylite is a generic name for friction melts, and usually...
Journal Article
Aftershocks Preferentially Occur in Previously Active Areas
Journal: The Seismic Record
Publisher: Seismological Society of America
Published: 29 April 2022
The Seismic Record (2022) 2 (2): 100–106.
...‐and‐state friction ( Dieterich, 1994 ). One might worry that this observed signal is due to a lower magnitude of completeness in the areas of past seismicity due to a higher density of template events (e.g., Herrmann and Marzocchi, 2020 ). For this reason, we also test for the signal using a conventional...
Includes: Supplemental Content
Journal Article
Equivalence between ω n Source Time Functions and Those Proposed from Dynamic Finite‐Source Modeling
Publisher: Seismological Society of America
Published: 22 April 2022
Bulletin of the Seismological Society of America (2022) 112 (4): 1886–1893.
.... Such solutions cannot be considered a satisfactory alternative either. Dynamic simulations have to specify numerous laws and physical parameters that are largely unconstrained by observations and have to be virtually guessed. Examples include the details of dynamic and static fault friction, fracture energies...
Journal Article
Working with Dynamic Earthquake Rupture Models: A Practical Guide
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 13 April 2022
Seismological Research Letters (2022) 93 (4): 2096–2110.
... the influence of frictional, geometrical, stress, and material parameters. These simulations can model single earthquakes or multiple earthquake cycles. The objective of this article is to provide a self‐contained and practical guide for students starting in the field of earthquake dynamics. Senior researchers...
Journal Article
The impact of clay fraction on the strength and stress ratio ( K 0 ) in Gulf of Mexico mudrocks and quartz silt mixtures: implications for borehole stability and fracture gradient
Journal: Petroleum Geoscience
Publisher: Geological Society of London
Published: 16 March 2022
Petroleum Geoscience (2022) 28 (2): petgeo2021-056.
... on the mechanical properties of mudrocks aids safe well design. Small changes in the mudrock clay content are shown to have significant effects on two important engineering parameters: the lateral stress ratio at rest, K 0 , and the critical state effective friction angle, ϕ ′ cs . A laboratory-testing programme...
Journal Article
Reply to “Comment on ‘If Not Brittle: Ductile, Plastic, or Viscous?’ by Kelin Wang” by Marco A. Lopez‐Sanchez, Sylvie Demouchy, and Catherine Thoraval
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 02 March 2022
Seismological Research Letters (2022) 93 (3): 1966–1967.
... of the three systems (plastic–viscous and frictional–viscous) are wrong, and the remaining one (brittle–plastic) is an oversimplification. Unfortunately, despite a correct emphasis on the importance of viscoelasticity, the comment contains many conceptual errors, rendering its contents more misleading than...
Journal Article
History of earthquakes along the creeping section of the San Andreas fault, California, USA
Genevieve L. Coffey, Heather M. Savage, Pratigya J. Polissar, Stephen E. Cox, Sidney R. Hemming, Gisela Winckler, Kelly K. Bradbury
Journal: Geology
Publisher: Geological Society of America
Published: 25 February 2022
Geology (2022) 50 (4): 516–521.
... in the rock record. Due to the frictional resistance of faults, heat is rapidly generated during coseismic slip, leading to temperature spikes ( Rowe and Griffith, 2015 ). Utilizing this relationship, we identified evidence of frictional heating during earthquakes through the creeping section of the SAF...
Journal Article
Failure of Rock Slopes with Intermittent Joints: Failure Process and Stability Calculation Models
Journal: Lithosphere
Publisher: GSW
Published: 01 February 2022
Lithosphere (2021) 2021 (Special 7): 8923718.
... disaster prevention. In this study, a series of base friction tests were performed to determine the failure process and displacement field evolution of rock slopes with intermittent joints using the speckle technique of a noncontact measurement system. Next, stability calculation models of the slopes were...
Journal Article
Cyclic evaluation of energy-dissipating hysteretic infilled reinforced concrete frame: A novel approach as low-cost passive energy–dissipating device
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 February 2022
Earthquake Spectra (2022) 38 (1): 677–701.
... Institute Energy-dissipating hysteretic infill low-cost passive energy dissipator infilled RC frame inelastic behavior friction energy-dissipating links The concept of EDH infill wall system consists of slotted concrete blocks (may be other industrial waste such as fly ash, silica flume, etc...