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elements, isotopes
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- metals
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fossils
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geochronology methods
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geologic age
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        Columbia River Basalt Group (4)
        
        lower Miocene
        
        Aquitanian (1)
        
        Paintbrush Tuff (2)
        
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        Topopah Spring Member (2)
        
        upper Miocene (1)
        
        Wanapum Basalt (1)
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- Paleozoic
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- Precambrian
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    - Proterozoic
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      - Mesoproterozoic
        
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        Bonner Formation (1)
        
        Missoula Group (1)
      - Neoproterozoic
        
        Moinian (3)
        
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igneous rocks
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  - volcanic rocks
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- ophiolite (26)
metamorphic rocks
- metamorphic rocks
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minerals
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- phosphates
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- silicates
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        hornblende (2)
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        omphacite (1)
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        K-feldspar (1)
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    - silica minerals
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        titanite (1)
      - zircon group
        
        zircon (47)
    - sorosilicates
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        epidote (1)
  - sheet silicates
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- sulfates
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- sulfides
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Primary terms
- absolute age (100)
- Africa
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- Antarctica
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- Arctic Ocean
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- Arctic region
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  - Svalbard
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- Asia
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  - Far East
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        Sarawak Malaysia (1)
    - China
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      - Tancheng-Lujiang Fault (2)
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      - Xinjiang China
        
        Tarim Basin (1)
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        Ailao Shan (1)
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  - Middle East
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- Atlantic Ocean
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  - North Atlantic
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- Atlantic region (5)
- Australasia
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  - New Zealand
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- Canada
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  - Western Canada
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