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        Shuaiba Formation (2)
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        Dunvegan Formation (31)
        
        lower Cenomanian (16)
        
        upper Cenomanian (40)
      - Codell Sandstone Member (1)
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      - Gulfian
        
        Austin Chalk (3)
        
        Austin Group (2)
        
        Eagle Ford Formation (22)
        
        Woodbine Formation (14)
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        lower Turonian (20)
        
        middle Turonian (1)
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        upper Kimmeridgian (1)
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igneous rocks
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minerals
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        kaersutite (1)
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        augite (1)
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        K-feldspar (1)
        
        sanidine (4)
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        oligoclase (1)
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        opal-CT (1)
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        zircon (20)
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    - serpentine group
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- sulfates
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Primary terms
- absolute age (30)
- Africa
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- Australasia
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- Canada
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- carbon
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        lower Eocene (2)
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        middle Oligocene (1)
        
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        lower Paleocene
        
        Danian (3)
        
        K-T boundary (6)
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