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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Cape Verde Islands (1)
-
East Africa
-
Kenya (1)
-
Lake Turkana (1)
-
Sudan (2)
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Tanzania (1)
-
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East African Lakes
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Lake Turkana (1)
-
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North Africa
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Egypt (1)
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Morocco (1)
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Nubian Shield (1)
-
Southern Africa
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Barberton greenstone belt (3)
-
Kaapvaal Craton (1)
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Karoo Basin (1)
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Lesotho (1)
-
South Africa (3)
-
-
-
Antarctica
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Antarctic ice sheet
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West Antarctic ice sheet (1)
-
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Antarctic Peninsula (1)
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East Antarctica (2)
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South Orkney Islands (1)
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Transantarctic Mountains
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Beardmore Glacier (1)
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Queen Maud Range (1)
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Victoria Land
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Allan Hills (1)
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West Antarctica (1)
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Arctic region
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Greenland
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Asia
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Altai Mountains
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Gorny Altai (2)
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Altai Russian Federation
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Far East
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China
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Australasia
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Australia
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New Zealand
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Black Mountain (1)
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Canada
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Ontario (1)
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Temiscamingue County Quebec
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Caribbean region
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Central America
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Commonwealth of Independent States
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DSDP Site 504 (2)
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Hawaii
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Hawaii County Hawaii
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Honolulu County Hawaii
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Mauna Loa (3)
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Europe
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Southern Europe
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Explorer Plate (1)
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North America
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Superior Province
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Abitibi Belt (4)
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North American Cordillera
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North Island (2)
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Oceania
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Melanesia
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Polynesia
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Cook Islands (1)
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French Polynesia
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Austral Islands (2)
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Society Islands (1)
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Hawaii
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Hualalai (1)
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Kilauea (3)
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Kona (1)
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Honolulu County Hawaii
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Oahu (1)
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Mauna Loa (3)
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Pitcairn Island (1)
-
-
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Pacific Ocean
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East Pacific
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Costa Rica Rift (1)
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East Pacific Rise (7)
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Galapagos Rift (1)
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Northeast Pacific
-
Axial Seamount (1)
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Blanco fracture zone (1)
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Clipperton fracture zone (1)
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Escanaba Trough (1)
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Gorda Rise (1)
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Gulf of Alaska (1)
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Juan de Fuca Ridge
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Cleft Segment (1)
-
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Loihi Seamount (2)
-
-
Southeast Pacific (2)
-
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North Pacific
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Northeast Pacific
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Axial Seamount (1)
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Blanco fracture zone (1)
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Clipperton fracture zone (1)
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Escanaba Trough (1)
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Cleft Segment (1)
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Loihi Seamount (2)
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Northwest Pacific
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Mariana Trough (1)
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Pigafetta Basin (1)
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South Pacific
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Southeast Pacific (2)
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West Pacific
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Northwest Pacific
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Mariana Trough (1)
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Pigafetta Basin (1)
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Ontong Java Plateau (1)
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Pacific region (1)
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United States
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Hawaii
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Honolulu County Hawaii
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Mauna Loa (3)
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Mississippi (1)
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commodities
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elements, isotopes
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isotope ratios (11)
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isotopes
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radioactive isotopes
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Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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Sm-147/Nd-144 (1)
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stable isotopes
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C-13/C-12 (2)
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Nd-144/Nd-143 (7)
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O-18/O-16 (2)
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Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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S-34/S-32 (3)
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large-ion lithophile elements (1)
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hafnium (1)
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lead
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rare earths
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neodymium
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Nd-144/Nd-143 (7)
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samarium
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oxygen
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phosphorus (1)
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trace metals (1)
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Invertebrata
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Mollusca
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Protista
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problematic fossils
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Cenozoic
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upper Quaternary (2)
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Tertiary
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Pliocene (4)
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middle Eocene (1)
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Mesozoic
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Cretaceous
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Franciscan Complex (1)
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upper Liassic (2)
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Middle Jurassic
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Upper Jurassic
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Galice Formation (1)
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McHugh Complex (1)
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Triassic
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Upper Triassic
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Norian (1)
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-
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Paleozoic
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Cambrian
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Carboniferous (1)
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Ordovician
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Permian (1)
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Phanerozoic (1)
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Precambrian
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Archean
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Mesoarchean (2)
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Hooggenoeg Formation (2)
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Yellowknife Group (1)
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Onverwacht Group (1)
-
upper Precambrian
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Proterozoic
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Neoproterozoic (4)
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Hemlock Formation (1)
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igneous rocks
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extrusive rocks (5)
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volcanic rocks
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mid-ocean ridge basalts (21)
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volcanic glass (9)
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tuff (10)
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rhyolites (5)
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trachytes (2)
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ophiolite (26)
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metamorphic rocks
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metavolcanic rocks (18)
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hornblende schist (1)
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ophiolite (26)
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minerals
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alloys
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rutile (1)
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titanomagnetite (2)
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phosphates
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apatite (1)
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silicates
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chain silicates
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amphibole group
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clinoamphibole
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hornblende (1)
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pyroxene group
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clinopyroxene (2)
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framework silicates
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feldspar group
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plagioclase (2)
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silica minerals
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quartz (2)
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zeolite group
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analcime (2)
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clinoptilolite (1)
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laumontite (1)
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mesolite (1)
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-
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orthosilicates
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nesosilicates
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olivine group
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olivine (3)
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titanite group
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titanite (3)
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zircon group
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zircon (9)
-
-
-
-
sheet silicates
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apophyllite (1)
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clay minerals
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beidellite (1)
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montmorillonite (1)
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illite (1)
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palygorskite (1)
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-
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sulfates
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barite (1)
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sulfides
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sphalerite (1)
-
-
-
Primary terms
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absolute age (24)
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Africa
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East Africa
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East African Lakes
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North Africa
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Antarctica
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Victoria Land
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Asia
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Altai Russian Federation
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Far East
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Japan
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Tibetan Plateau (1)
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Mid-Atlantic Ridge (5)
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Faeroe-Shetland Basin (1)
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Atlantic Ocean Islands
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Shetland Islands (1)
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Australasia
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New Zealand
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bacteria (4)
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Ungava (2)
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carbon
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organic carbon (2)
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Caribbean region
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West Indies
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Cenozoic
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Quaternary
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upper Quaternary (2)
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Tertiary
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Paleogene
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middle Eocene (1)
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Central America
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chemical analysis (1)
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Deep Sea Drilling Project
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IPOD
-
Leg 60
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DSDP Site 458 (1)
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Leg 69 (2)
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Leg 70 (2)
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Leg 83 (2)
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Leg 92 (2)
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Leg 23
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DSDP Site 227 (1)
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Leg 37
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DSDP Site 335 (1)
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Leg 43 (1)
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deformation (4)
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East Pacific Ocean Islands
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Hawaii
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Honolulu County Hawaii
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Mauna Loa (3)
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economic geology (4)
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Europe
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Variscides (1)
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Western Europe
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France
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United Kingdom
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Shetland Islands (1)
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Wales
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Pembrokeshire Wales (1)
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-
-
-
-
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faults (13)
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folds (4)
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foliation (1)
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fractures (2)
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ichnofossils (4)
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igneous rocks
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diabase
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diorites
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plagiogranite (5)
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tonalite (1)
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trondhjemite (1)
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gabbros (17)
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granites
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monzogranite (1)
-
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lamproite (1)
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syenites (1)
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ultramafics
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chromitite (1)
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peridotites
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dunite (3)
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harzburgite (2)
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lherzolite (2)
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pyroxenite (1)
-
-
-
volcanic rocks
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andesites
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boninite (2)
-
-
basalts
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alkali basalts
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alkali olivine basalt (1)
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hawaiite (1)
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spilite (2)
-
-
mid-ocean ridge basalts (21)
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ocean-island basalts (2)
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olivine basalt (1)
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tholeiite (11)
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tholeiitic basalt (6)
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-
basanite (1)
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dacites (3)
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glasses
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volcanic glass (9)
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keratophyre (2)
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komatiite (7)
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phonolites (1)
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pyroclastics
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hyaloclastite (17)
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pumice (1)
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rhyolite tuff (1)
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scoria (1)
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tuff (10)
-
-
rhyolites (5)
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trachyandesites (1)
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trachytes (2)
-
-
-
inclusions
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fluid inclusions (2)
-
-
Indian Ocean
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Red Sea
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Atlantis II Deep (1)
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Red Sea Rift (1)
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-
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Indian Ocean Islands
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Crozet Islands (1)
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-
intrusions (38)
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Invertebrata
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Archaeocyatha (1)
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Arthropoda
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Trilobitomorpha
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Trilobita (1)
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-
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Brachiopoda (1)
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Mollusca
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Bivalvia (2)
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Cephalopoda
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Ammonoidea (1)
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Gastropoda (1)
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Protista
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Foraminifera
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Textulariina (1)
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Radiolaria (4)
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Silicoflagellata (1)
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-
-
isotopes
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radioactive isotopes
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Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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Sm-147/Nd-144 (1)
-
-
stable isotopes
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C-13/C-12 (2)
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Nd-144/Nd-143 (7)
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O-18/O-16 (2)
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Pb-206/Pb-204 (4)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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S-34/S-32 (3)
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Sm-147/Nd-144 (1)
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Sr-87/Sr-86 (6)
-
-
-
lava (176)
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lineation (1)
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magmas (23)
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mantle (15)
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maps (4)
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marine geology (2)
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Mediterranean region (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous (3)
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Upper Cretaceous
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Cenomanian (1)
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-
-
Franciscan Complex (1)
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Jurassic
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Coast Range Ophiolite (1)
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Ferrar Group (1)
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Kirkpatrick Basalt (1)
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Lower Jurassic
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Hettangian (1)
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lower Liassic (1)
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middle Liassic (1)
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Pliensbachian (1)
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Sinemurian (1)
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Toarcian (2)
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upper Liassic (2)
-
-
Middle Jurassic
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Bajocian (1)
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Bathonian (1)
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-
Upper Jurassic
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Galice Formation (1)
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Josephine Ophiolite (2)
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Oxfordian (1)
-
-
-
McHugh Complex (1)
-
Triassic
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Upper Triassic
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Carnian (1)
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Norian (1)
-
-
-
-
metal ores
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base metals (2)
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chromite ores (1)
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copper ores (2)
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gold ores (3)
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manganese ores (1)
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metals
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actinides
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alkali metals
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potassium (1)
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rubidium (2)
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alkaline earth metals
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barium (2)
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calcium (2)
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magnesium (2)
-
strontium
-
Sr-87/Sr-86 (6)
-
-
-
hafnium (1)
-
iron
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ferric iron (1)
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (4)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
-
manganese (1)
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niobium (1)
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precious metals (2)
-
rare earths
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lanthanum (1)
-
neodymium
-
Nd-144/Nd-143 (7)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
ytterbium (1)
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yttrium (1)
-
-
titanium (3)
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vanadium (2)
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zirconium (3)
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-
metamorphic rocks
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amphibolites (2)
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gneisses (1)
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metaigneous rocks
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metabasalt (5)
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metagabbro (1)
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serpentinite (6)
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metasedimentary rocks (3)
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metasomatic rocks
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serpentinite (6)
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metavolcanic rocks (18)
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migmatites (1)
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quartzites (1)
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schists
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greenschist (1)
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greenstone (3)
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hornblende schist (1)
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-
-
metamorphism (15)
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metasomatism (26)
-
Mexico
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Baja California (3)
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Baja California Sur Mexico
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Vizcaino Peninsula (2)
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Guerrero Mexico (1)
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-
mineral deposits, genesis (11)
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mineral exploration (1)
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minerals (4)
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Mohorovicic discontinuity (1)
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North America
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Appalachians (1)
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Canadian Shield
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Churchill Province
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Rae Province (1)
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Superior Province
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Abitibi Belt (4)
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-
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Great Lakes region (1)
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Kootenay Arc (1)
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North American Cordillera
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Canadian Cordillera (1)
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Slide Mountain Terrane (1)
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Yukon River (1)
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ocean basins (1)
-
Ocean Drilling Program
-
Leg 111 (2)
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Leg 129 (1)
-
Leg 137 (2)
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Leg 140 (2)
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Leg 144 (1)
-
Leg 148 (2)
-
Leg 185 (1)
-
ODP Site 801 (1)
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-
ocean floors (27)
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Oceania
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Melanesia
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Malaita (1)
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Polynesia
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Cook Islands (1)
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French Polynesia
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Austral Islands (2)
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Society Islands (1)
-
-
Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Hualalai (1)
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Kilauea (3)
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Kona (1)
-
-
-
Honolulu County Hawaii
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Oahu (1)
-
-
Mauna Loa (3)
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-
Pitcairn Island (1)
-
-
-
oceanography (6)
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orogeny (1)
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oxygen
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O-18/O-16 (2)
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-
Pacific Ocean
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East Pacific
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Costa Rica Rift (1)
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East Pacific Rise (7)
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Galapagos Rift (1)
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Northeast Pacific
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Axial Seamount (1)
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Blanco fracture zone (1)
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Clipperton fracture zone (1)
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Escanaba Trough (1)
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Gorda Rise (1)
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Gulf of Alaska (1)
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Juan de Fuca Ridge
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Cleft Segment (1)
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Loihi Seamount (2)
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Southeast Pacific (2)
-
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North Pacific
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Northeast Pacific
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Axial Seamount (1)
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Blanco fracture zone (1)
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Clipperton fracture zone (1)
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Escanaba Trough (1)
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Gorda Rise (1)
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Gulf of Alaska (1)
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Juan de Fuca Ridge
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Cleft Segment (1)
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-
Loihi Seamount (2)
-
-
Northwest Pacific
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Mariana Trough (1)
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Pigafetta Basin (1)
-
-
-
South Pacific
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Southeast Pacific (2)
-
-
West Pacific
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Northwest Pacific
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Mariana Trough (1)
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Pigafetta Basin (1)
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Ontong Java Plateau (1)
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-
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Pacific region (1)
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paleoclimatology (1)
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paleoecology (2)
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paleogeography (5)
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paleomagnetism (8)
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Paleozoic
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Cambrian
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Lower Cambrian (2)
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Middle Cambrian (1)
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Carboniferous (1)
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Devonian
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Upper Devonian (1)
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Ordovician
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Lower Ordovician (1)
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Lushs Bight Group (1)
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Upper Ordovician
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Katian (1)
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-
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Permian (1)
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Silurian (1)
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paragenesis (2)
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permafrost (1)
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petrology (55)
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Phanerozoic (1)
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phase equilibria (3)
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phosphorus (1)
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Plantae
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algae
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diatoms (1)
-
-
-
plate tectonics (42)
-
Precambrian
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Archean
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Mesoarchean (2)
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Neoarchean (1)
-
Paleoarchean
-
Hooggenoeg Formation (2)
-
-
Yellowknife Group (1)
-
-
Onverwacht Group (1)
-
upper Precambrian
-
Proterozoic
-
Neoproterozoic (4)
-
Paleoproterozoic
-
Hemlock Formation (1)
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Orosirian (2)
-
-
-
-
-
problematic fossils
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problematic microfossils (1)
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Red Sea region (1)
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remote sensing (1)
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sea water (6)
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sea-floor spreading (8)
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sedimentary petrology (1)
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sedimentary rocks
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carbonate rocks
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limestone (6)
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chemically precipitated rocks
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chert (5)
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clastic rocks
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arkose (1)
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black shale (1)
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conglomerate (2)
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graywacke (2)
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red beds (1)
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-
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sedimentary structures
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bedding plane irregularities (1)
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biogenic structures
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algal structures
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algal mats (1)
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lebensspuren (1)
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stromatolites (1)
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planar bedding structures
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sedimentation (6)
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sediments
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erratics (3)
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outwash (1)
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pebbles (1)
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marine sediments (3)
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silicon (1)
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Solomon Islands (1)
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South America
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Andes
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Patagonian Andes (1)
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Southern Andes (1)
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Chile (1)
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Colombia (1)
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Patagonian Andes (1)
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Venezuela
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Lara Venezuela (1)
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Maracaibo Falcon Plain (1)
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spectroscopy (1)
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stratigraphy (10)
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structural analysis (1)
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structural geology (8)
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sulfur
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S-34/S-32 (3)
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tectonics (21)
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tectonophysics (12)
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United States
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Alaska
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California
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Columbia Plateau (1)
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Hawaii
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Honolulu County Hawaii
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Mauna Loa (3)
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Idaho
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Gooding County Idaho (1)
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volcanology (9)
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pillow lava
Katian volcanism in Central Armorican Domain (France) and Central Iberian Zone (Portugal): a single monogenetic basaltic field?
Submarine Basaltic Magmatism in the Subbetic Basin (Southern Spain): Insights into Melt-Weakening Processes during Mesozoic Continental Rifting
The Ludicovian of the Raahe–Ladoga Zone of the Fennoscandian Shield (Isotope-Geochemical Composition and Geodynamic Nature)
Abstract Preserved rocks in the Jurassic Ferrar Large Igneous Province consist mainly of intrusions, and extrusive rocks, the topic of this chapter, comprise the remaining small component. They crop out in a limited number of areas in the Transantarctic Mountains and southeastern Australia. They consist of thick sequences of lavas and sporadic occurrences of volcaniclastic rocks. The latter occur mainly beneath the lavas and represent the initial eruptive activity, but also are present within the lava sequence. The majority are basaltic phreatomagmatic deposits and in at least two locations form immense phreatocauldrons filled with structureless tuff breccias and lapilli tuffs with thicknesses of as much as 400 m. Stratified sequences of tuff breccias, lapilli tuffs and tuffs are up to 200 m thick. Thin tuff beds are sparsely distributed in the lava sequences. Lava successions are mainly 400–500 m thick, and comprise individual lavas ranging from 1 to 230 m thick, although most are in the range of 10–100 m. Well-defined colonnade and entablature are seldom displayed. Lava sequences were confined topographically and locally ponded. Water played a prominent role in eruptive activity, as exhibited by phreatomagmatism, hyaloclastites, pillow lava and quenching of lavas. Vents for lavas have yet to be identified.
Chapter 4.1a Antarctic Peninsula: volcanology
Abstract The Antarctic Peninsula is distinguished by late Neogene volcanic activity related to a series of northerly younging ridge crest–trench collisions and the progressive opening of ‘slab windows’ in the subjacent mantle. The outcrops were amongst the last to be discovered in the region, with many occurrences not visited until the 1970s and 1980s. The volcanism consists of several monogenetic volcanic fields and small isolated centres. It is sodic alkaline to tholeiitic in composition, and ranges in age between 7.7 Ma and present. No eruptions have been observed (with the possible, but dubious, exception of Seal Nunataks in 1893) but very young isotopic ages for some outcrops suggest that future eruptions are a possibility. The eruptions were overwhelmingly glaciovolcanic and the outcrops have been a major source of information on glaciovolcano construction. They have also been highly influential in advancing our understanding of the configuration of the Plio-Pleistocene Antarctic Peninsula Ice Sheet. However, our knowledge is hindered by a paucity of modern, precise isotopic ages. In particular, there is no obvious relationship between the age of ridge crest–trench collisions and the timing of slab-window volcanism, a puzzle that may only be resolved by new dating.