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    - Upper Triassic
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        Ischigualasto Formation (1)
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        Kayak Shale (2)
        
        Lake Valley Formation (1)
        
        Lodgepole Formation (1)
        
        Tournaisian (1)
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        Visean (4)
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      - Upper Mississippian
        
        Chesterian (1)
        
        Pennington Formation (1)
        
        Serpukhovian (4)
      - Windsor Group (1)
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      - Lower Pennsylvanian
        
        Bashkirian (3)
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        Atokan (1)
        
        Carbondale Formation (1)
        
        Moscovian (5)
        
        Paradox Formation (1)
        
        Tradewater Formation (1)
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      - Upper Pennsylvanian
        
        Cisco Group (1)
        
        Gzhelian (2)
        
        Kasimovian (1)
        
        Virgilian (2)
    - Upper Carboniferous
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  - Cow Head Group (2)
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    - Lower Devonian
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    - Old Red Sandstone (8)
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    - Upper Devonian
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        lower Famennian (1)
        
        Wabamun Group (1)
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        Leduc Formation (2)
        
        upper Frasnian (1)
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  - lower Paleozoic
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  - Permian
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    - Kaibab Formation (2)
    - Khuff Formation (4)
    - Longtan Formation (1)
    - Lower Permian
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      - Cisuralian
        
        Artinskian (1)
        
        Asselian (4)
        
        Kungurian (3)
        
        Sakmarian (4)
      - Leonardian
        
        Bone Spring Limestone (1)
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      - Wolfcampian
        
        Hueco Limestone (1)
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    - Middle Permian (10)
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    - Upper Permian
      - Changxing Formation (1)
      - Lopingian
        
        Changhsingian (1)
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      - Tatarian (1)
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  - upper Paleozoic
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- Phanerozoic (92)
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        Copper Harbor Conglomerate (1)
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        Belt Supergroup (2)
        
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        Cryogenian (4)
        
        Ediacaran
        
        Wonoka Formation (1)
        
        Maranon Complex (1)
        
        Riphean (2)
        
        Sturtian (1)
        
        Tonian (1)
        
        Torridonian (1)
        
        Vendian (3)
      - Paleoproterozoic
        
        Hemlock Formation (1)
        
        Orosirian (1)
      - Pocatello Formation (1)
      - Sinian (1)
  - Ventersdorp Supergroup (1)
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igneous rocks
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        agpaite (1)
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        dunite (3)
        
        garnet lherzolite (1)
        
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        harzburgite (8)
        
        lherzolite (1)
        
        spinel lherzolite (2)
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        alkali olivine basalt (1)
        
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metamorphic rocks
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meteorites
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        Nakhla Meteorite (1)
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minerals
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        K-feldspar (17)
        
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        opal-A (2)
        
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      - zircon group
        
        zircon (361)
    - sorosilicates
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        allanite (2)
        
        epidote (5)
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        akermanite (1)
        
        gehlenite (2)
        
        melilite (1)
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  - ring silicates
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  - sheet silicates
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    - clay minerals
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- sulfates
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- sulfides
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Primary terms
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- Africa
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