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commodities
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- mineral deposits, genesis (58)
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elements, isotopes
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- isotopes
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    - Th-232/Th-230 (1)
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    - U-238/Th-232 (1)
  - stable isotopes
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    - D/H (1)
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    - Hf-177/Hf-176 (1)
    - Nd-144/Nd-143 (9)
    - O-18/O-16 (6)
    - Pb-206/Pb-204 (9)
    - Pb-207/Pb-204 (4)
    - Pb-207/Pb-206 (1)
    - Pb-208/Pb-204 (7)
    - Pb-208/Pb-206 (1)
    - Rb-87/Sr-86 (1)
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    - Sm-147/Nd-144 (1)
    - Sr-87/Sr-86 (17)
- large-ion lithophile elements (1)
- metals
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      - U-238/Th-230 (1)
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    - uranium
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      - Sr-87/Sr-86 (17)
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fossils
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  - Protista
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        Globigerinacea
        
        Globigerinidae
        
        Globigerinoides (1)
        
        Globorotaliidae
        
        Globorotalia
        
        Globorotalia truncatulinoides (1)
        
        Rotaliacea
        
        Miogypsinidae
        
        Miogypsina (1)
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- palynomorphs
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- Plantae
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geochronology methods
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- paleomagnetism (59)
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geologic age
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  - Tertiary
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      - Miocene
        
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        middle Miocene (2)
        
        upper Miocene
        
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        Tortonian (1)
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        lower Pliocene (2)
        
        upper Pliocene (1)
      - upper Neogene (1)
    - Paleogene
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        Chumstick Formation (1)
        
        lower Eocene (2)
        
        middle Eocene (2)
        
        Swauk Formation (1)
        
        upper Eocene (1)
      - lower Paleogene (2)
      - Oligocene
        
        upper Oligocene
        
        Chattian (1)
      - Paleocene
        
        lower Paleocene
        
        Danian (1)
        
        upper Paleocene (1)
      - upper Paleogene (1)
    - Zambales Ophiolite (1)
  - upper Cenozoic (2)
- Mesozoic
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    - Upper Cretaceous
      - Campanian
        
        upper Campanian (1)
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  - Franciscan Complex (6)
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    - Upper Jurassic
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      - Kimmeridgian (3)
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  - Triassic
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  - upper Mesozoic (4)
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- Paleozoic
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  - Carboniferous
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        Tournaisian (1)
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        Visean (3)
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    - Upper Carboniferous
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  - lower Paleozoic
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- Phanerozoic (12)
- Precambrian
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  - Catoctin Formation (1)
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  - upper Precambrian
    - Proterozoic
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      - Neoproterozoic
        
        Sturtian (1)
        
        Vendian (2)
      - Paleoproterozoic (1)
igneous rocks
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- igneous rocks
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    - gabbros
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      - peridotites
        
        dunite (3)
        
        garnet lherzolite (1)
        
        harzburgite (6)
        
        lherzolite (2)
        
        spinel peridotite (1)
  - volcanic rocks
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    - andesites
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    - basalts
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        trachybasalts (1)
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      - tholeiite (8)
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    - glasses
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      - scoria (1)
      - tuff (3)
    - rhyolites (6)
    - trachytes (1)
- ophiolite (61)
- volcanic ash (1)
metamorphic rocks
- metamorphic rocks
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    - metabasalt (5)
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    - serpentinite (11)
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- ophiolite (61)
- turbidite (6)
minerals
- carbonates
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- iron minerals (1)
- minerals (10)
- oxides
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  - ilmenite (3)
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- phosphates
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  - monazite (1)
  - xenotime (1)
- silicates
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    - amphibole group
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        hornblende (2)
    - pyroxene group
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        diopside (1)
  - framework silicates
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    - silica minerals
      - quartz (2)
  - orthosilicates
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      - braunite (1)
      - garnet group (1)
      - olivine group
        
        forsterite (1)
        
        olivine (4)
      - zircon group
        
        zircon (18)
    - sorosilicates
      - epidote group
        
        epidote (1)
  - sheet silicates
    - chlorite group
      - chlorite (1)
    - clay minerals
      - montmorillonite (1)
      - nontronite (1)
      - smectite (4)
    - illite (2)
    - mica group
      - biotite (1)
      - glauconite (2)
      - phlogopite (1)
    - palygorskite (1)
    - serpentine group
      - chrysotile (1)
      - lizardite (1)
- sulfates
  - anhydrite (1)
- sulfides
  - greigite (1)
  - iron sulfides (1)
  - marcasite (1)
  - pyrite (1)
  - zinc sulfides (2)
Primary terms
- absolute age (51)
- Africa
  - Afar (7)
  - Central Africa
    - Angola
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  - East Africa
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    - Djibouti (3)
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    - Ethiopian Rift (2)
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  - East African Rift (5)
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  - North Africa
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        High Atlas (2)
    - Egypt
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    - Morocco
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        High Atlas (2)
      - Rif (1)
  - Nubian Shield (1)
  - Southern Africa
    - Barberton greenstone belt (1)
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    - Kalahari Craton (1)
    - Karoo Basin (1)
    - Namibia
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      - Kaoko Belt (1)
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    - South Africa
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      - Transvaal region (1)
    - Zimbabwe (2)
  - West Africa
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    - Ivory Coast (1)
    - Liberia (3)
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    - Nigeria
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  - West African Craton (1)
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- Antarctica
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- Arctic Ocean
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  - Fram Strait (1)
  - Laptev Sea (4)
  - Lomonosov Ridge (5)
  - Makarov Basin (1)
  - Mendeleyev Ridge (3)
  - Mid-Arctic Ocean Ridge (5)
  - Nares Strait (1)
  - Norwegian Sea
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    - Knipovich Ridge (2)
    - Kolbeinsey Ridge (3)
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- Arctic region
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  - Jan Mayen (6)
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        Hornsund (1)
- Asia
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  - Far East
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        Sabah Malaysia (1)
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        Lhasa Block (1)
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        Ailao Shan (1)
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    - Japan
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        Hidaka metamorphic belt (1)
        
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      - Honshu
        
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        Okinawa (1)
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    - Korea
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  - Himalayas
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  - Indian Peninsula
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  - Indus-Yarlung Zangbo suture zone (1)
  - Kamchatka Russian Federation
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  - Middle East
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- Atlantic Ocean
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  - Mid-Atlantic Ridge
    - Atlantis Massif (3)
    - Snakepit hydrothermal field (1)
    - TAG hydrothermal field (6)
  - North Atlantic
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    - Baltimore Canyon (1)
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    - Blake-Bahama Outer Ridge (1)
    - Caribbean Sea
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    - Flemish Cap (3)
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      - Campeche Scarp (1)
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    - Kane fracture zone (2)
    - Labrador Sea
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    - North Sea (4)
    - Northeast Atlantic
      - Galicia Bank (1)
      - Iberian abyssal plain (1)
      - Porcupine Bank (1)
    - Northwest Atlantic
      - Demerara Rise (2)
    - Porcupine Basin (1)
    - Reykjanes Ridge (7)
    - Rockall Trough (2)
    - Scotian Shelf (1)
    - Snakepit hydrothermal field (1)
    - Straits of Florida (1)
    - TAG hydrothermal field (6)
    - Vema fracture zone (1)
  - Romanche fracture zone (6)
  - South Atlantic
    - Angola Basin (1)
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    - Espirito Santo Basin (1)
    - Falkland Plateau (1)
    - Rio Grande Rise (3)
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    - Southeast Atlantic (3)
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    - Walvis Ridge (5)
- Atlantic Ocean Islands
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- Atlantic region (16)
- Australasia
  - Australia
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    - Tasmania Australia (2)
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  - New Zealand
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- barite deposits (2)
- bibliography (8)
- biogeography (5)
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- brines (3)
- Canada
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  - Eastern Canada
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    - Maritime Provinces
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  - Mackenzie Mountains (1)
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  - Western Canada
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      - Vancouver Island (2)
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    - Manitoba (1)
    - Northwest Territories
      - Great Slave Lake (1)
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