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        upper Eocene
        
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        lower Campanian (3)
        
        upper Campanian (2)
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        lower Cenomanian (1)
        
        upper Cenomanian (4)
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        Eagle Ford Formation (2)
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        lower Maestrichtian (3)
        
        upper Maestrichtian (4)
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      - Turonian
        
        lower Turonian (4)
        
        upper Turonian (1)
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      - Kimmeridgian
        
        lower Kimmeridgian (1)
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        middle Oxfordian (1)
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  - lower Mesozoic (5)
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  - Triassic
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    - Lower Triassic
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    - Middle Triassic
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    - Upper Triassic
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        Ischigualasto Formation (1)
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      - Keuper (7)
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- Paleozoic
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        Fortunian (2)
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  - Carboniferous
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    - Lower Carboniferous
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        Fort Payne Formation (2)
        
        Kayak Shale (1)
        
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        Lodgepole Formation (2)
        
        Osagian
        
        Burlington Limestone (2)
        
        Pocono Formation (1)
        
        Tournaisian (9)
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        Visean
        
        upper Visean (2)
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        Hartselle Sandstone (1)
        
        Meramecian
        
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        Serpukhovian (8)
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      - Lower Pennsylvanian
        
        Bashkirian (4)
        
        Morrowan (1)
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        Allegheny Group (3)
        
        Atokan
        
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        Desmoinesian (2)
        
        Moscovian (8)
        
        Paradox Formation (1)
        
        Staunton Formation (1)
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      - Upper Pennsylvanian
        
        Gzhelian (1)
        
        Kasimovian (8)
        
        Missourian (4)
        
        Virgilian (2)
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    - Upper Carboniferous
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  - Chattanooga Shale (1)
  - Devonian
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    - Lower Devonian
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        upper Givetian (1)
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    - Upper Devonian
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        upper Famennian (1)
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  - Dunkard Group (5)
  - Exshaw Formation (2)
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  - lower Paleozoic
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  - New Albany Shale (1)
  - Ordovician
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      - Tremadocian
        
        Halifax Formation (2)
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    - Middle Ordovician
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      - Bromide Formation (1)
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      - Cloridorme Formation (1)
      - Dapingian (1)
      - Darriwilian (8)
      - Galena Dolomite (1)
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      - Normanskill Formation (1)
      - Platteville Formation (1)
      - Saint Peter Sandstone (1)
      - Simpson Group (1)
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    - Upper Ordovician
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        Richmondian (1)
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  - Permian
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    - Lower Permian
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      - Cisuralian
        
        Artinskian (1)
        
        Asselian (2)
        
        Kungurian (5)
        
        Sakmarian (2)
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        Bone Spring Limestone (2)
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        Hueco Limestone (1)
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    - Middle Permian (8)
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      - Lopingian
        
        Changhsingian (2)
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        Revett Quartzite (1)
        
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        Ediacaran (46)
        
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        Wollaston Group (1)
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        Dengying Formation (5)
        
        Doushantuo Formation (1)
        
        Wumishan Formation (1)
        
        Xiong'er Group (1)
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igneous rocks
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metamorphic rocks
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meteorites
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        Tieschitz Meteorite (1)
minerals
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        actinolite (2)
        
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        cummingtonite (1)
        
        edenite (2)
        
        hastingsite (1)
        
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        holmquistite (1)
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        aegirine (1)
        
        clinoenstatite (1)
        
        diopside (4)
        
        hedenbergite (1)
        
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        enstatite (2)
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        albite (17)
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        opal-A (1)
      - quartz (50)
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  - orthosilicates
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        britholite (2)
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        grossular (2)
        
        pyrope (1)
        
        spessartine (2)
        
        uvarovite (1)
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      - olivine group
        
        olivine (17)
      - phenakite group
        
        phenakite (3)
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        titanite (9)
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      - zircon group
        
        thorite (6)
        
        zircon (197)
    - sorosilicates
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        allanite (4)
        
        epidote (7)
        
        zoisite (1)
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        thortveitite (1)
        
        yttrialite (1)
      - vesuvianite (1)
  - ring silicates
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      - schorl (7)
  - sheet silicates
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    - clay minerals
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    - illite (42)
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    - mica group
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      - celadonite (2)
      - fluor-phlogopite (1)
      - glauconite (11)
      - lepidolite (12)
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      - paragonite (3)
      - phengite (6)
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      - zinnwaldite (1)
    - palygorskite (18)
    - petalite (8)
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    - sepiolite (7)
    - sericite (4)
    - serpentine group
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      - serpentine (3)
    - talc (3)
- sulfates
  - alunite (6)
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- sulfides
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- sulfosalts
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- tellurides
  - altaite (1)
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- tungstates
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- uranium minerals (2)
- vanadates (1)
- wehrlite (2)
Primary terms
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- Africa
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