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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Gabon
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Oklo (1)
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East Africa
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Malawi (1)
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Sudan (1)
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Tanzania (1)
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Uganda (1)
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Gregory Rift (1)
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Nubian Shield (1)
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Red Sea Hills (1)
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Southern Africa
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Namibia (1)
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South Africa (1)
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Altiplano (1)
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Antarctica (1)
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Arctic region
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Greenland
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Ilimaussaq (2)
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South Greenland (1)
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Arran (1)
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Asia
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Altai Mountains (1)
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Arabian Peninsula
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Oman
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United Arab Emirates (1)
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Central Asia
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Kazakhstan
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Far East
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China
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Datong China (1)
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Gansu China (1)
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Heilongjiang China (1)
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Inner Mongolia China
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Bayan Obo China (1)
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Jilin China (1)
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North China Platform (1)
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Qilian Mountains (1)
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Atlantic Ocean
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Australasia
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Australia
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Canada
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Eastern Canada
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Western Canada
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Caribbean region
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Central America
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Russian Federation
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Urals
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Europe
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Slovenia
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Western Europe
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Sweden (1)
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United Kingdom
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Indian Ocean
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Indian Ocean Islands
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Mediterranean region (1)
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North America
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Appalachians
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Canadian Shield
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Oceania
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Micronesia
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Polynesia
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French Polynesia
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Ottawa River (1)
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Pacific Ocean
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Central Pacific (1)
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South Pacific
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West Pacific
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Southwest Pacific (1)
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Puna (1)
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South America
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Andes
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Bolivia
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Oruro Bolivia (1)
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Potosi Bolivia (1)
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Brazil
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Bahia Brazil (1)
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Falkland Islands (1)
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Venezuela
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Eastern Venezuela (1)
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South Mountain Batholith (1)
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United States
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Alaska
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Montana (1)
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Rhode Island (1)
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South Carolina (1)
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Southern U.S. (1)
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Texas
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Uvalde County Texas (1)
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U. S. Rocky Mountains
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Absaroka Range
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Beartooth Mountains (1)
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Vermont (1)
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Washington (1)
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Western U.S. (1)
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commodities
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mineral deposits, genesis (6)
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mineral exploration (2)
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elements, isotopes
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boron (1)
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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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chemical ratios (16)
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halogens
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fluorine (5)
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incompatible elements (1)
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isotope ratios (14)
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isotopes
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radioactive isotopes
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Be-10/Be-9 (1)
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C-14 (1)
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Po-210 (1)
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Sm-147/Nd-144 (2)
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Th-230 (1)
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Th-232/Th-230 (1)
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stable isotopes
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Be-10/Be-9 (1)
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C-13/C-12 (2)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (10)
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O-18/O-16 (3)
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Pb-207/Pb-206 (1)
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Sm-147/Nd-144 (2)
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Sr-87/Sr-86 (12)
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large-ion lithophile elements (3)
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metals
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actinides
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thorium
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Th-230 (1)
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Th-232/Th-230 (1)
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uranium (11)
-
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alkali metals
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cesium (1)
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lithium (2)
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potassium (3)
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rubidium (6)
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sodium (6)
-
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alkaline earth metals
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barium (5)
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beryllium
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Be-10/Be-9 (1)
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calcium (7)
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magnesium (4)
-
strontium
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Sr-87/Sr-86 (12)
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-
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aluminum (8)
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antimony (2)
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arsenic (2)
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cadmium (1)
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chromium (4)
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cobalt (2)
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copper (3)
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gallium (2)
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hafnium
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Hf-177/Hf-176 (1)
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-
iron (5)
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lead
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Pb-207/Pb-206 (1)
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manganese (4)
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mercury (1)
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molybdenum (1)
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nickel (3)
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niobium (13)
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platinum group
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iridium (1)
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polonium
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Po-210 (1)
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rare earths
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cerium (35)
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dysprosium (2)
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erbium (1)
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europium (9)
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gadolinium (3)
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holmium (1)
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lanthanum (131)
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lutetium (9)
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neodymium
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Nd-144/Nd-143 (10)
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Sm-147/Nd-144 (2)
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praseodymium (2)
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samarium
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Sm-147/Nd-144 (2)
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scandium (5)
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terbium (4)
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ytterbium (34)
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yttrium (11)
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silver (1)
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tantalum (7)
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titanium (10)
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vanadium (5)
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zinc (4)
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zirconium (8)
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oxygen
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O-18/O-16 (3)
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phosphorus (1)
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silicon (2)
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sulfur (3)
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fossils
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Chordata
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Vertebrata
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Pisces (1)
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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ichnofossils (1)
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microfossils
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Conodonta (1)
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tracks (1)
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geochronology methods
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Ar/Ar (3)
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Rb/Sr (1)
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Sm/Nd (2)
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Th/U (2)
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U/Pb (5)
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U/Th/Pb (1)
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geologic age
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Cenozoic
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Quaternary
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Holocene (2)
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Pleistocene
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upper Pleistocene (2)
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Tertiary
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Neogene
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Miocene (1)
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Pliocene (2)
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Paleogene
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Eocene (2)
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Oligocene (1)
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upper Cenozoic (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous (2)
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Upper Cretaceous (1)
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Jurassic
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Lower Jurassic (1)
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Upper Jurassic
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Morrison Formation (1)
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Triassic
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Upper Triassic
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Norian (1)
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Paleozoic
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Cambrian
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Lower Cambrian (1)
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian (1)
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Upper Carboniferous (1)
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Devonian
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Upper Devonian
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Famennian (1)
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Frasnian (1)
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lower Paleozoic (4)
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Ordovician
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Lower Ordovician (2)
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Meguma Group (1)
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Permian (4)
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Silurian
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Middle Silurian (2)
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-
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Phanerozoic (1)
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Precambrian
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Archean
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Timiskaming Group (1)
-
-
upper Precambrian
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Proterozoic
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Keweenawan (1)
-
Mesoproterozoic
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Aldridge Formation (1)
-
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Neoproterozoic
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Burra Group (1)
-
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Oronto Group (1)
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Paleoproterozoic (3)
-
-
-
-
-
igneous rocks
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igneous rocks
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carbonatites (5)
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feldspathoid rocks (2)
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picrite (2)
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plutonic rocks
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appinite (1)
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diabase (3)
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diorites
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plagiogranite (2)
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tonalite (2)
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trondhjemite (1)
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gabbros (2)
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granites
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alkali granites (1)
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A-type granites (3)
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granite porphyry (1)
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microgranite (1)
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monzogranite (3)
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granodiorites (5)
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monzodiorite (1)
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nepheline syenite
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ultramafics
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peridotites
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harzburgite (1)
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spinel lherzolite (1)
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volcanic rocks
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adakites (3)
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andesites (2)
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basalts
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alkali basalts (1)
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mid-ocean ridge basalts (4)
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ocean-island basalts (1)
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tholeiite (1)
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tholeiitic basalt (1)
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dacites (1)
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glasses (1)
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komatiite (1)
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nephelinite
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olivine nephelinite (1)
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phonolites (1)
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ophiolite (4)
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metamorphic rocks
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metamorphic rocks
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amphibolites (1)
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metaigneous rocks
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metabasite (1)
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metagabbro (1)
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metagranite (1)
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metarhyolite (1)
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metasedimentary rocks
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metagraywacke (1)
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metapelite (1)
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metasomatic rocks
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fenite (2)
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greisen (1)
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schists
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blueschist (1)
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greenstone (1)
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ophiolite (4)
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minerals
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arsenates (2)
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carbonates
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aragonite (1)
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bastnaesite (10)
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calcite (1)
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parisite (1)
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rhodochrosite (1)
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strontianite (1)
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synchysite (1)
-
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halides
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chlorides
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pyromorphite (1)
-
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fluorides
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bastnaesite (10)
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fluorite (1)
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humite (1)
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parisite (1)
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synchysite (1)
-
-
-
minerals (8)
-
oxides
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goethite (1)
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hematite (1)
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hydroxides
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iron hydroxides (1)
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oxyhydroxides (1)
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iron oxides (1)
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jacobsite (1)
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manganese oxides (1)
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niobates
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fergusonite (1)
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loparite (2)
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pyrochlore (1)
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perovskite (2)
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rutile (1)
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uraninite (1)
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phosphates
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apatite (8)
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britholite (1)
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florencite (2)
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hydroxylapatite (1)
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monazite (9)
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chain silicates
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amphibole group
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astrophyllite (1)
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pyroxene group
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clinopyroxene
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diopside (1)
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xonotlite (1)
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framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (1)
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plagioclase (2)
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nepheline group
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nepheline (1)
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zeolite group
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clinoptilolite (1)
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mordenite (1)
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wairakite (1)
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orthosilicates
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nesosilicates
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britholite group
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britholite (1)
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garnet group
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grossular (1)
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uvarovite (1)
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humite (1)
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kyanite (1)
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olivine group
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olivine (1)
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titanite group
-
titanite (1)
-
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zircon group
-
thorite (1)
-
zircon (9)
-
-
-
sorosilicates
-
chevkinite group
-
chevkinite (1)
-
-
epidote group
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allanite (10)
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clinozoisite (2)
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epidote (2)
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lawsonite (1)
-
-
-
sheet silicates
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chlorite group
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chlorite (1)
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clay minerals
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hectorite (1)
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kaolinite (3)
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montmorillonite (8)
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saponite (1)
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smectite (5)
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vermiculite (1)
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illite (3)
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mica group
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biotite (1)
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phengite (1)
-
-
-
-
sulfates
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alunite (1)
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barite (1)
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hinsdalite (1)
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jarosite (2)
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sulfides
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pyrite (1)
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pyrrhotite (2)
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sulfosalts
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sulfantimonites
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polybasite (1)
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sulfarsenites
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pearceite (1)
-
-
sulfobismuthites
-
berryite (1)
-
galenobismutite (1)
-
-
-
uranium minerals (2)
-
-
Primary terms
-
absolute age (9)
-
Africa
-
Central Africa
-
Gabon
-
Oklo (1)
-
-
-
East Africa
-
Malawi (1)
-
Sudan (1)
-
Tanzania (1)
-
Uganda (1)
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1-20 OF 131 RESULTS FOR
lanthanum
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Journal Article
Single-crystal analysis of La-doped pyromorphite [Pb 5 (PO 4 ) 3 Cl]
Julia Sordyl, John Rakovan, Peter C. Burns, Justyna Topolska, Adam Włodek, Jennifer E.S. Szymanowski, Ginger E. Sigmon, Jarosław Majka, Maciej Manecki
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 December 2023
American Mineralogist (2023) 108 (12): 2323–2330.
... ; Hughes et al. 1991 ; Fleet et al. 2000 ). The site preference for La is strongly related to the chemical composition of apatite. In an X-ray study of a synthetic lanthanum calcium silicate apatite Ca 4 La 6 (SiO 4 ) 6 (OH) 2 (space group P 6 3 / m ), Cockbain and Smith (1967) concluded that the La...
Includes: Supplemental Content
Journal Article
Petrology and geochronology of Cretaceous–Eocene plutonic rocks in northeastern Washington, USA: Crustal thickening, slab rollback, and origin of the Challis episode
Jeffrey H. Tepper, Matthew W. Loewen, Liam M. Caulfield, Peter C. Davidson, Kaitlin L. Ruthenberg, Samuel W.F. Blakely, Duncan F.J.F. Knudsen, Devin F. Black, Bruce K. Nelson, Yemane Asmerom
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 30 June 2023
GSA Bulletin (2024) 136 (1-2): 725–740.
Journal Article
Calcioancylite-(La), (La,Ca) 2 (CO 3 ) 2 (OH,H 2 O) 2 , a new member of the ancylite group from Gejiu nepheline syenite, Yunnan Province, China
Yanjuan Wang, Xiangping Gu, Guochen Dong, Zengqian Hou, Fabrizio Nestola, Zhusen Yang, Guang Fan, Yufei Wang, Kai Qu
Journal: Mineralogical Magazine
Published: 19 April 2023
Mineralogical Magazine (2023) 87 (4): 554–560.
Journal Article
A comparison of the fenites at the Chilwa Island and Kangankunde carbonatite complexes, Malawi
Journal: Mineralogical Magazine
Published: 09 December 2022
Mineralogical Magazine (2023) 87 (2): 300–323.
... appears to be determined by the mineralogy of their respective host carbonatites. At both localities, the REE minerals in fenite are less enriched in lanthanum and cerium than their equivalents in carbonatite, a characteristic that we attribute to REE fractionation within fluids in the aureole...
Journal Article
Crystallization of bastnäsite and burbankite from carbonatite melt in the system La(CO 3 )F-CaCO 3 -Na 2 CO 3 at 100 MPa
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 December 2022
American Mineralogist (2022) 107 (12): 2242–2250.
...(OH) 2 -La(OH) 3 at 100 MPa, but lanthanum hydroxide was the only La crystalline phase found in the run products. Wyllie et al. (1996) briefly mentioned that they had observed co-crystallization of calcite and hydroxybastnäsite from La-rich carbonatite melt in the system CaCO 3 -Ca(OH) 2 -La(CO 3...
Journal Article
Gysinite-(La), PbLa(CO 3 ) 2 (OH)⋅H 2 O, a new rare earth mineral of the ancylite group from the Saima alkaline complex, Liaoning Province, China
Bin Wu, Xiang-ping Gu, Can Rao, Ru-cheng Wang, Xing-qing Xing, Jian-jun Wan, Fu-jun Zhong, Christophe Bonnetti
Journal: Mineralogical Magazine
Published: 21 November 2022
Mineralogical Magazine (2023) 87 (1): 143–150.
Journal Article
Håleniusite-(Ce), CeOF, the Ce Analogue of Håleniusite-(La) from the Água de Pau Volcano, Sãn Miguel Island, Azores District, Portugal
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 14 July 2022
The Canadian Mineralogist (2022) 60 (4): 713–717.
...) that reported on the unit-cell dimensions of Ln OF phases, including CeOF. Therein, the authors state that “All the oxyfluorides examined with the exception of cerium oxyfluoride had the rhombohedral structure found by Zachariasen (1951) for lanthanum oxyfluoride. The cubic cell dimensions found for cerium...
Journal Article
Late glacial–Holocene record of Southern Hemisphere westerly wind dynamics from the Falkland Islands, South Atlantic Ocean
Journal: Geology
Publisher: Geological Society of America
Published: 06 May 2022
Geology (2022) 50 (8): 880–885.
Journal Article
Crustal thickness of the Grenville orogen: A Mesoproterozoic Tibet?
Journal: Geology
Publisher: Geological Society of America
Published: 16 December 2021
Geology (2022) 50 (4): 402–406.
Journal Article
The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part IV. Alexkuznetsovite-(La), La 2 Mn(CO 3 )(Si 2 O 7 ), alexkuznetsovite-(Ce), Ce 2 Mn(CO 3 )(Si 2 O 7 ) and biraite-(La), La 2 Fe 2+ (CO 3 )(Si 2 O 7 ), three new isostructural minerals and a definition of the biraite group
Anatoly V. Kasatkin, Natalia V. Zubkova, Igor V. Pekov, Nikita V. Chukanov, Radek Škoda, Atali A. Agakhanov, Dmitriy I. Belakovskiy, Sergey N. Britvin, Dmitry Yu. Pushcharovsky
Journal: Mineralogical Magazine
Published: 03 August 2021
Mineralogical Magazine (2021) 85 (5): 772–783.
Journal Article
Raising the West: Mid-Cenozoic Colorado-plano related to subvolcanic batholith assembly in the Southern Rocky Mountains (USA)?
Journal: Geology
Publisher: Geological Society of America
Published: 03 June 2021
Geology (2021) 49 (9): 1107–1111.
Journal Article
Paleozoic evolution of crustal thickness and elevation in the northern Appalachian orogen, USA
Journal: Geology
Publisher: Geological Society of America
Published: 22 April 2021
Geology (2021) 49 (8): 946–951.
Journal Article
Geochemical Evidence for Thickening and Thinning of Lower Crust beneath the Jiaodong Peninsula: Implications for Late Mesozoic Destruction of the Eastern North China Craton
Journal: Lithosphere
Publisher: GSW
Published: 09 November 2020
Lithosphere (2020) 2020 (1): 8831664.
Includes: Supplemental Content
Journal Article
Cerite: a new supergroup of minerals and cerite-(La) renamed ferricerite-(La)
Journal: Mineralogical Magazine
Published: 30 October 2020
Mineralogical Magazine (2020) 84 (6): 928–931.
Journal Article
The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part III. Percleveite-(La), La 2 Si 2 O 7 , a new REE disilicate mineral
Anatoly V. Kasatkin, Natalia V. Zubkova, Igor V. Pekov, Nikita V. Chukanov, Radek Škoda, Atali A. Agakhanov, Dmitriy I. Belakovskiy, Dmitriy A. Ksenofontov, Jakub Plášil, Aleksey M. Kuznetsov, Sergey N. Britvin, Dmitry Yu. Pushcharovsky
Journal: Mineralogical Magazine
Published: 22 October 2020
Mineralogical Magazine (2020) 84 (6): 913–920.
...-(La) grains are chemically homogeneous and the WDS analyses reveal the uniform chemical composition with only minimal inter- REE chemical variation. Lanthanum significantly prevails among REE in all analyses in the type specimen. The empirical formula calculated on the basis of 7 O atoms per...
Journal Article
The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, Alaska, USA
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 06 October 2020
GSA Bulletin (2021) 133 (5-6): 963–991.
Journal Article
Reconstructing crustal thickness evolution from europium anomalies in detrital zircons
Journal: Geology
Publisher: Geological Society of America
Published: 04 September 2020
Geology (2021) 49 (1): 76–80.
Journal Article
The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part II. Radekškodaite-(La), (CaLa 5 )(Al 4 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 5 O(OH) 3 and radekškodaite-(Ce), (CaCe 5 )(Al 4 Fe 2+ )[Si 2 O 7 ][SiO 4 ] 5 O(OH) 3 , two new minerals with a novel structure-type belonging to the epidote–törnebohmite polysomatic series
Anatoly V. Kasatkin, Natalia V. Zubkova, Igor V. Pekov, Nikita V. Chukanov, Dmitriy A. Ksenofontov, Atali A. Agakhanov, Dmitriy I. Belakovskiy, Yury S. Polekhovsky, Aleksey M. Kuznetsov, Sergey N. Britvin, Dmitry Yu. Pushcharovsky, Fabrizio Nestola
Journal: Mineralogical Magazine
Published: 24 August 2020
Mineralogical Magazine (2020) 84 (6): 839–853.
... and 8 ). Such similar distribution of REE in many minerals belonging to various structure types indicates that is probably caused by the general geochemistry of the mineral-forming system. The origin of this geochemical feature (which could be named a ‘lanthanum anomaly’) at Mochalin Log...
Journal Article
Spatial and temporal influence of Pacific subduction on South China: geochemical migration of Cretaceous mafic–intermediate rocks
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 22 May 2020
Journal of the Geological Society (2020) 177 (5): 1013–1024.