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Format

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Journal Article (1970)
Book Chapter (142)
Book (9)

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Research Article (1348)
Other (599)
Letter (7)
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Discussion (3)
Correction (2)
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News (2)
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Economic Geology (293)
GSA Bulletin (272)
Geology (208)
AAPG Bulletin (146)
Journal of Paleontology (140)
Canadian Journal of Earth Sciences (129)
American Mineralogist (116)
Bulletin of the Seismological Society of America (92)
Geophysics (56)
Geosphere (52)
Vadose Zone Journal (45)
Journal of Sedimentary Research (44)
Rocky Mountain Geology (40)
Lithosphere (36)
Bulletin of Canadian Petroleum Geology (33)
PALAIOS (33)
Earthquake Spectra (32)
The Canadian Mineralogist (31)
Environmental & Engineering Geoscience (22)
Seismological Research Letters (17)
Clays and Clay Minerals (14)
The Journal of Geology (12)
Reviews in Mineralogy and Geochemistry (9)
The Leading Edge (9)
Bulletin de la Société Géologique de France (8)
Geochemistry: Exploration, Environment, Analysis (7)
Paleobiology (7)
Micropaleontology (6)
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SEG Discovery (6)

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Article (3)
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Special papers on seismicity of the Wasatch Front and Great Basin-Sierra Nevada boundary (3)
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elements, isotopes
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fossils
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- problematic fossils
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geochronology methods
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geologic age
- Cenozoic
  - Blancan (3)
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    - lower Quaternary (2)
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    - Pleistocene
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      - lower Pleistocene (2)
      - Matuyama Chron (3)
      - upper Pleistocene
        
        Weichselian
        
        upper Weichselian
        
        Younger Dryas (2)
        
        Wisconsinan
        
        lower Wisconsinan (2)
        
        upper Wisconsinan (5)
    - upper Quaternary
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  - Tertiary
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    - lower Tertiary (11)
    - middle Tertiary (6)
    - Neogene
      - Miocene
        
        Barstovian (1)
        
        Clarendonian (1)
        
        Columbia River Basalt Group (36)
        
        Ellensburg Formation (2)
        
        Frenchman Springs Member (1)
        
        Grande Ronde Basalt (14)
        
        lower Miocene
        
        Hemingfordian (1)
        
        middle Miocene (12)
        
        Picture Gorge Basalt (2)
        
        Saddle Mountains Basalt (3)
        
        Topopah Spring Member (1)
        
        upper Miocene (11)
        
        Wanapum Basalt (5)
        
        Yakima Basalt (1)
      - Pliocene
        
        Gauss Chron (2)
        
        lower Pliocene (2)
        
        upper Pliocene (7)
      - Ringold Formation (2)
      - Salt Lake Formation (4)
    - Paleogene
      - Eocene
        
        Absaroka Supergroup (2)
        
        Green River Formation (3)
        
        Lake Gosiute (2)
        
        Lake Uinta (1)
        
        lower Eocene
        
        Ypresian (1)
        
        middle Eocene
        
        Laney Shale Member (1)
        
        Lutetian (2)
        
        upper Eocene
        
        Chadronian (4)
      - Flagstaff Formation (2)
      - lower Paleogene (1)
      - Oligocene
        
        lower Oligocene (9)
        
        upper Oligocene (3)
      - Paleocene
        
        lower Paleocene
        
        Danian (1)
        
        K-T boundary (2)
        
        Pinyon Conglomerate (1)
        
        upper Paleocene
        
        Thanetian (1)
        
        Tiffanian (1)
      - Renova Formation (15)
      - upper Paleogene (1)
      - Wasatch Formation (2)
    - upper Tertiary (3)
  - upper Cenozoic (6)
- Lake Bonneville (31)
- Laurentide ice sheet (2)
- Mesozoic
  - Cretaceous
    - Blairmore Group (5)
    - Colorado Group (2)
    - Dakota Formation (1)
    - Lower Cretaceous
      - Albian
        
        lower Albian (1)
        
        upper Albian (1)
      - Aptian (2)
      - Blackleaf Formation (8)
      - Cadomin Formation (2)
      - Kootenay Formation (2)
      - Mannville Group (3)
      - McMurray Formation (1)
      - Mowry Shale (1)
      - Muddy Sandstone (3)
      - Neocomian (1)
    - Mancos Shale (1)
    - Middle Cretaceous (15)
    - Queen Charlotte Group (1)
    - Upper Cretaceous
      - Bearpaw Formation (3)
      - Belle Fourche Shale (1)
      - Belly River Formation (1)
      - Blackhawk Formation (1)
      - Campanian
        
        Dinosaur Park Formation (2)
        
        lower Campanian (3)
        
        upper Campanian (1)
      - Carlile Shale (1)
      - Castlegate Sandstone (1)
      - Cenomanian (6)
      - Cody Shale (1)
      - Coniacian (3)
      - Elkhorn Mountains Volcanics (3)
      - Frontier Formation (3)
      - Harebell Formation (1)
      - Hornbrook Formation (1)
      - Horseshoe Canyon Formation (1)
      - Judith River Formation (4)
      - K-T boundary (2)
      - Maestrichtian
        
        lower Maestrichtian (2)
        
        upper Maestrichtian (1)
      - Mesaverde Group (1)
      - Milk River Formation (10)
      - Montana Group (1)
      - Niobrara Formation (2)
      - Oldman Formation (6)
      - Saint Mary River Formation (4)
      - Santonian (10)
      - Senonian (24)
      - Turonian (1)
      - Two Medicine Formation (26)
    - Viking Formation (1)
  - Great Valley Sequence (2)
  - Jurassic
    - Arapien Shale (1)
    - Fernie Formation (3)
    - Lower Jurassic
      - Nordegg Member (1)
      - Pliensbachian (1)
    - Middle Jurassic
      - Bajocian (2)
      - Bathonian (1)
    - Twin Creek Limestone (5)
    - Upper Jurassic
      - Oxfordian (1)
      - Stump Formation (2)
      - Swift Formation (1)
  - lower Mesozoic (1)
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  - Mist Mountain Formation (3)
  - Navajo Sandstone (2)
  - Nugget Sandstone (6)
  - Triassic
    - Lower Triassic
      - Dinwoody Formation (9)
      - Permian-Triassic boundary (5)
      - Smithian (4)
      - Spathian (4)
      - Thaynes Formation (16)
    - Moenkopi Formation (2)
    - Red Peak Formation (2)
    - Upper Triassic
      - Luning Formation (1)
      - Norian (2)
  - upper Mesozoic (2)
- Paleozoic
  - Cambrian
    - Brigham Group (6)
    - Lardeau Group (2)
    - Lower Cambrian
      - Kinzers Formation (1)
    - Middle Cambrian
      - Burgess Shale (3)
      - Flathead Sandstone (3)
      - Marjum Formation (4)
      - Wheeler Formation (6)
    - Tintic Quartzite (2)
    - Upper Cambrian
      - Furongian (1)
      - Pilgrim Formation (1)
      - Steptoean (1)
  - Carboniferous
    - Amsden Formation (1)
    - Big Snowy Group (1)
    - Diamond Peak Formation (1)
    - Lower Carboniferous
      - Dinantian (5)
    - Manning Canyon Shale (1)
    - Middle Carboniferous (1)
    - Mississippian
      - Chainman Shale (3)
      - Lower Mississippian
        
        Joana Limestone (1)
        
        Kinderhookian
        
        Banff Formation (8)
        
        Lodgepole Formation (6)
        
        Osagian (5)
        
        Tournaisian (5)
      - Madison Group (12)
      - Middle Mississippian
        
        Visean (2)
      - Mission Canyon Limestone (5)
      - Upper Mississippian
        
        Chesterian (4)
        
        Meramecian (4)
    - Namurian (1)
    - Pennsylvanian
      - Lower Pennsylvanian
        
        Morrowan
        
        Bloyd Formation (1)
      - Middle Pennsylvanian
        
        Atokan (2)
      - Upper Pennsylvanian
        
        Gzhelian (1)
        
        Missourian (2)
        
        Virgilian (2)
    - Schoonover Sequence (1)
    - Upper Carboniferous (2)
  - Devonian
    - Guilmette Formation (1)
    - Lower Devonian
      - Emsian (2)
      - Gedinnian (1)
      - Lochkovian (2)
    - Middle Devonian
      - Eifelian (2)
      - Givetian (4)
    - Popovich Formation (7)
    - Upper Devonian
      - Duperow Formation (2)
      - Famennian
        
        upper Famennian (1)
      - Frasnian
        
        upper Frasnian (1)
      - Huron Member (1)
      - Jefferson Group (7)
      - Nisku Formation (1)
      - Ohio Shale (1)
      - Palliser Formation (2)
  - Exshaw Formation (6)
  - Hanson Creek Formation (6)
  - Ishbel Group (1)
  - Laborcita Formation (1)
  - lower Paleozoic
    - Cape Phillips Formation (1)
  - middle Paleozoic (4)
  - Minnelusa Formation (2)
  - Oquirrh Formation (1)
  - Ordovician
    - Antelope Valley Limestone (2)
    - Eureka Quartzite (2)
    - Lower Ordovician
      - Arenigian (3)
      - Fillmore Formation (6)
      - Floian (2)
      - Ibexian (3)
      - Tremadocian (5)
    - Middle Ordovician
      - Cloridorme Formation (1)
      - Llanvirnian (1)
      - Normanskill Formation (1)
      - Swan Peak Formation (2)
      - Whiterockian (6)
    - Pogonip Group (3)
    - Upper Ordovician
      - Bighorn Dolomite (2)
      - Caradocian (2)
      - Cincinnatian
        
        Richmondian (1)
      - Fish Haven Dolomite (3)
    - Valmy Formation (2)
    - Vinini Formation (8)
  - Permian
    - Cutler Formation (1)
    - Guadalupian
      - Brushy Canyon Formation (1)
      - Roadian (1)
      - Ufimian (1)
      - Wordian (3)
    - Kaibab Formation (2)
    - Lower Permian
      - Cisuralian
        
        Kungurian (1)
        
        Sakmarian (1)
      - Leonardian (4)
      - Wolfcampian (3)
    - Meade Peak Member (6)
    - Middle Permian (1)
    - Park City Formation (11)
    - Phosphoria Formation (32)
    - Ranger Canyon Formation (1)
    - Retort Phosphatic Shale Member (2)
    - Upper Permian
      - Permian-Triassic boundary (5)
  - Pilot Shale (4)
  - Sauk Sequence (1)
  - Silurian
    - Lower Silurian
      - Grimsby Sandstone (1)
      - Llandovery (1)
    - Middle Silurian
      - Roberts Mountains Formation (15)
    - Upper Silurian
      - Ludlow (1)
  - Tensleep Sandstone (1)
  - upper Paleozoic
    - Admire Group (1)
    - Bakken Formation (2)
    - Wood River Formation (4)
  - Weber Sandstone (1)
  - Wells Formation (3)
- Phanerozoic (6)
- Precambrian
  - Archean
    - Neoarchean (7)
  - Biwabik Iron Formation (1)
  - Eocambrian (2)
  - Gunflint Iron Formation (1)
  - middle Precambrian (1)
  - Prichard Formation (8)
  - Purcell System (24)
  - Spuhler Peak Formation (1)
  - Stillwater Complex (3)
  - Uinta Mountain Group (2)
  - upper Precambrian
    - Proterozoic
      - McNamara Group (1)
      - Mesoproterozoic
        
        Aldridge Formation (13)
        
        Altyn Limestone (1)
        
        Belt Supergroup (89)
        
        Bonner Formation (3)
        
        Helena Formation (4)
        
        Helikian (2)
        
        Missoula Group (11)
        
        Mount Shields Formation (1)
        
        Newland Limestone (4)
        
        Ravalli Group (6)
        
        Revett Quartzite (8)
        
        Roper Group (1)
        
        Wallace Formation (6)
      - Neoproterozoic
        
        Cryogenian (3)
        
        Ediacaran (1)
        
        Hadrynian (1)
        
        Horsethief Creek Group (1)
        
        Marinoan (2)
        
        McCoy Creek Group (2)
        
        Sturtian (5)
        
        Tonian