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Journal Article (1104)
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Book (4)

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AAPG Bulletin (231)
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Geology (107)
Economic Geology (93)
Journal of Sedimentary Research (77)
Journal of Paleontology (75)
American Mineralogist (62)
Geosphere (40)
The Canadian Mineralogist (31)
PALAIOS (25)
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Bulletin of the Seismological Society of America (19)
Rocky Mountain Geology (18)
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Environmental & Engineering Geoscience (12)
Clays and Clay Minerals (10)
Interpretation (10)
Mineralogical Magazine (10)
Petroleum Geoscience (9)
Seismological Research Letters (8)
The Leading Edge (8)
Bulletin de la Société Géologique de France (7)
Canadian Journal of Earth Sciences (7)
Journal of the Geological Society (7)
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The Journal of Geology (6)
Paleobiology (5)
Vadose Zone Journal (5)
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geochronology methods
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geologic age
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        Zia Formation (1)
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        Gauss Chron (1)
        
        upper Pliocene (3)
      - Tesuque Formation (1)
    - Paleogene
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      - Eocene
        
        Baca Formation (3)
        
        Bridger Formation (1)
        
        Bridgerian (1)
        
        Colton Formation (1)
        
        Green River Formation (45)
        
        Lake Gosiute (5)
        
        Lake Uinta (5)
        
        lower Eocene (7)
        
        middle Eocene
        
        Laney Shale Member (2)
        
        Parachute Creek Member (7)
        
        Uintan (1)
        
        upper Eocene
        
        Chadronian (2)
        
        Uinta Formation (4)
      - lower Paleogene (1)
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        Creede Formation (1)
        
        Fish Canyon Tuff (2)
        
        lower Oligocene (5)
        
        upper Oligocene (1)
      - Paleocene
        
        lower Paleocene
        
        Danian (1)
        
        K-T boundary (2)
        
        Puercan (2)
        
        Torrejonian (7)
        
        middle Paleocene (3)
        
        Montian (1)
        
        Nacimiento Formation (13)
        
        upper Paleocene (1)
      - Paleocene-Eocene Thermal Maximum (1)
      - Wasatch Formation (18)
      - Wilcox Group (2)
  - upper Cenozoic (9)
- Mesozoic
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  - Cretaceous
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    - Lower Cretaceous
      - Albian
        
        lower Albian (1)
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      - Burro Canyon Formation (7)
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      - Cloverly Formation (1)
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    - Middle Cretaceous (1)
    - Upper Cretaceous
      - Almond Formation (2)
      - Bearpaw Formation (1)
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      - Campanian
        
        upper Campanian (1)
      - Cardium Formation (1)
      - Carlile Shale (1)
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      - Cenomanian (2)
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      - Crevasse Canyon Formation (3)
      - Ferron Sandstone Member (1)
      - Frontier Formation (5)
      - Fruitland Formation (19)
      - Gallup Sandstone (8)
      - Horseshoe Canyon Formation (1)
      - Kirtland Shale (13)
      - K-T boundary (2)
      - Lance Formation (1)
      - Lewis Shale (6)
      - Maestrichtian (4)
      - Menefee Formation (3)
      - Mesaverde Group (33)
      - Niobrara Formation (4)
      - Ojo Alamo Sandstone (11)
      - Pictured Cliffs Sandstone (5)
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      - Rock Springs Formation (1)
      - Senonian (17)
      - Smoky Hill Chalk Member (1)
      - Star Point Sandstone (1)
      - Turonian (6)
      - Williams Fork Formation (17)
  - Glen Canyon Group (3)
  - Jurassic
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    - Lower Jurassic (9)
    - Middle Jurassic
      - Page Sandstone (1)
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      - Brushy Basin Member (19)
      - Entrada Sandstone (16)
      - Kimmeridgian (2)
      - Morrison Formation (60)
      - Oxfordian (2)
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      - Salt Wash Sandstone Member (5)
      - Tithonian (3)
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  - Kayenta Formation (7)
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  - Moenave Formation (2)
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      - Chinle Formation (36)
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      - Redonda Formation (1)
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      - Yanchang Formation (1)
  - upper Mesozoic (1)
  - Wingate Sandstone (9)
- Paleozoic
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        Lake Valley Formation (2)
        
        Osagian (2)
        
        Tournaisian (1)
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        Chesterian (1)
        
        Meramecian (1)
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        Morrowan (3)
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        Atokan
        
        Atoka Formation (1)
        
        Desmoinesian (11)
        
        Paradox Formation (10)
      - Minturn Formation (9)
      - Upper Pennsylvanian
        
        Missourian (1)
        
        Virgilian (2)
  - Devonian
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        upper Famennian (1)
  - Honaker Trail Formation (2)
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  - Permian
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    - Guadalupian
      - Bell Canyon Formation (1)
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    - Lower Permian
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        Hueco Limestone (2)
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    - Upper Permian (1)
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  - upper Paleozoic
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  - Weber Sandstone (5)
- Phanerozoic (7)
- Precambrian
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  - upper Precambrian
    - Proterozoic
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        Belt Supergroup (1)
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        Doushantuo Formation (1)
        
        Sturtian (1)
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        Doushantuo Formation (1)
igneous rocks
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metamorphic rocks
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minerals
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- minerals (45)
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- phosphates
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- silicates
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        adularia (1)
        
        cryptoperthite (1)
        
        K-feldspar (4)
        
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        sanidine (11)
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        oligoclase (1)
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    - silica minerals
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      - quartz (19)
    - sodalite group
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    - zeolite group
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      - mordenite (2)
  - orthosilicates
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      - garnet group
        
        andradite (2)
        
        grossular (2)
        
        pyrope (2)
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        fayalite (1)
        
        olivine (2)
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        titanite (2)
      - zircon group
        
        coffinite (4)
        
        zircon (55)
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        perrierite (1)
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        allanite (1)
        
        epidote (1)
        
        zoisite (1)
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- sulfates
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- sulfides
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- tellurites (5)
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- uranium minerals (4)
- vanadates (27)
Primary terms
- absolute age (127)
- Africa
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