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commodities
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elements, isotopes
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  - stable isotopes
    - Ar-36 (1)
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    - Be-10/Be-9 (1)
    - C-13 (5)
    - C-13/C-12 (123)
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- metals
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  - alkali metals
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    - lithium
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      - Li-7/Li-6 (2)
    - potassium
      - K-40 (2)
    - sodium (7)
  - alkaline earth metals
    - barium
      - Ba/Ca (2)
    - beryllium
      - Be-10 (74)
      - Be-10/Be-9 (1)
      - Be-7 (3)
    - calcium
      - Ba/Ca (2)
      - Ca-44 (1)
      - Mg/Ca (3)
      - Sr/Ca (4)
    - magnesium
      - Mg/Ca (3)
    - radium
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    - strontium
      - Sr/Ca (4)
      - Sr-87/Sr-86 (52)
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  - aluminum
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- nitrogen
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- noble gases
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- oxygen
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- phosphorus (12)
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- sulfur
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fossils
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- Chordata
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geochronology methods
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geologic age
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        upper Weichselian
        
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        upper Wisconsinan
        
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  - Tertiary
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        Ash Hollow Formation (1)
        
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        Fleming Formation (1)
        
        Grande Ronde Basalt (2)
        
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        lower Miocene
        
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        Saddle Mountains Basalt (2)
        
        Saint Marys Formation (1)
        
        upper Miocene
        
        Baynunah Formation (1)
        
        Chinji Formation (1)
        
        Chiquimil Formation (1)
        
        Eastover Formation (1)
        
        Messinian (6)
        
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        Wanapum Basalt (2)
      - Ogallala Formation (4)
      - Pliocene
        
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        lower Pliocene
        
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      - Ringold Formation (1)
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      - Eocene
        
        Absaroka Supergroup (1)
        
        Avon Park Formation (1)
        
        Bracklesham Group (1)
        
        Bridger Formation (4)
        
        Bridgerian (4)
        
        Chuckanut Formation (1)
        
        Clarno Formation (3)
        
        Colton Formation (1)
        
        Green River Formation (27)
        
        Lake Gosiute (8)
        
        Lake Uinta (2)
        
        lower Eocene
        
        Wasatchian (7)
        
        Willwood Formation (11)
        
        Wind River Formation (11)
        
        Ypresian (1)
        
        middle Eocene
        
        Aycross Formation (4)
        
        Bartonian (1)
        
        Claiborne Group (2)
        
        Laney Shale Member (5)
        
        Lutetian (1)
        
        Tyee Formation (1)
        
        Mirador Formation (1)
        
        Subathu Formation (1)
        
        Uintan (2)
        
        upper Eocene
        
        Priabonian (3)
        
        Uinta Formation (2)
        
        Whitsett Formation (1)
        
        Wilkins Peak Member (7)
      - Hanna Formation (9)
      - Kenai Group (1)
      - lower Paleogene (6)
      - Oligocene
        
        Fish Canyon Tuff (1)
        
        Fontainebleau Sandstone (1)
        
        Frio Formation (2)
        
        lower Oligocene
        
        Rupelian (3)
        
        upper Oligocene (11)
        
        Vicksburg Group (1)
      - Paleocene
        
        Lebo Member (1)
        
        lower Paleocene
        
        Danian (2)
        
        K-T boundary (12)
        
        Puercan (1)
        
        Torrejonian (4)
        
        Ludlow Member (1)
        
        middle Paleocene
        
        Selandian (1)
        
        Midway Group (1)
        
        Nacimiento Formation (2)
        
        Ravenscrag Formation (4)
        
        Tongue River Member (2)
        
        Tullock Member (2)
        
        upper Paleocene
        
        Clarkforkian (1)
        
        Thanetian (1)
        
        Tiffanian (12)
      - Paleocene-Eocene Thermal Maximum (9)
      - Renova Formation (3)
      - Sespe Formation (1)
      - upper Paleogene (1)
      - Wasatch Formation (8)
      - White River Group (7)
      - Wilcox Group (9)
    - upper Tertiary (1)
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- Mesozoic
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  - Cretaceous
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    - Dakota Formation (7)
    - Graneros Shale (1)
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    - Lower Cretaceous
      - Agrio Formation (1)
      - Albian
        
        lower Albian (1)
        
        upper Albian (2)
      - Aptian
        
        Shuaiba Formation (3)
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      - Bear River Formation (2)
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      - Blackleaf Formation (1)
      - Cadomin Formation (2)
      - Cedar Mountain Formation (3)
      - Cloverly Formation (6)
      - Hauterivian (2)
      - Kootenay Formation (1)
      - Lagoa Feia Formation (1)
      - Lakota Formation (2)
      - Mannville Group (1)
      - McMurray Formation (3)
      - Missisauga Formation (1)
      - Moosebar Formation (1)
      - Mowry Shale (10)
      - Muddy Sandstone (5)
      - Mural Limestone (1)
      - Newcastle Sandstone (1)
      - Skull Creek Shale (1)
      - Spirit River Formation (3)
      - Torok Formation (1)
      - Trinity Group (1)
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      - Zubair Formation (1)
    - Mancos Shale (15)
    - Middle Cretaceous (11)
    - Nanushuk Group (1)
    - Natih Formation (1)
    - Potomac Group (1)
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    - Upper Cretaceous
      - Almond Formation (6)
      - Bagh Beds (2)
      - Bearpaw Formation (4)
      - Belle Fourche Shale (2)
      - Belly River Formation (2)
      - Blackhawk Formation (3)
      - Bridge Creek Limestone Member (3)
      - Campanian
        
        Dinosaur Park Formation (3)
        
        upper Campanian (2)
      - Cardium Formation (5)
      - Carlile Shale (2)
      - Castlegate Sandstone (2)
      - Cenomanian
        
        Dunvegan Formation (4)
        
        lower Cenomanian (1)
      - Codell Sandstone Member (1)
      - Cody Shale (2)
      - Djadokhta Formation (1)
      - Eagle Sandstone (1)
      - Edmonton Group (1)
      - Ferron Sandstone Member (7)
      - Fox Hills Formation (5)
      - Frontier Formation (15)
      - Fruitland Formation (3)
      - Gallup Sandstone (1)
      - Greenhorn Limestone (3)
      - Gulfian
        
        Aguja Formation (1)
        
        Eagle Ford Formation (4)
        
        Woodbine Formation (3)
      - Harebell Formation (1)
      - Hell Creek Formation (3)
      - Horseshoe Canyon Formation (3)
      - Javelina Formation (1)
      - Judith River Formation (4)
      - Kaiparowits Formation (1)
      - Kanguk Formation (2)
      - Kirtland Shale (2)
      - K-T boundary (12)
      - Lance Formation (11)
      - Laramie Formation (1)
      - Lewis Shale (14)
      - Maestrichtian
        
        upper Maestrichtian (1)
      - Marilia Formation (1)
      - Mesaverde Group (20)
      - Milk River Formation (1)
      - Niobrara Formation (3)
      - Ojo Alamo Sandstone (2)
      - Parkman Sandstone (1)
      - Pierre Shale (4)
      - Prince Creek Formation (1)
      - Rock Springs Formation (1)
      - Rosario Formation (1)
      - Santonian (5)
      - Senonian (22)
      - Shannon Sandstone Member (1)
      - Star Point Sandstone (1)
      - Straight Cliffs Formation (2)
      - Tununk Member (2)
      - Turonian
        
        middle Turonian (2)
      - Tuscaloosa Formation (2)
      - Two Medicine Formation (1)
      - Wall Creek Member (2)
      - Williams Fork Formation (3)
    - Viking Formation (3)
    - Whitemud Formation (3)
  - Franciscan Complex (3)
  - Glen Canyon Group (4)
  - Great Valley Sequence (1)
  - Jurassic
    - Aztec Sandstone (4)
    - Carmel Formation (6)
    - Clarens Formation (4)
    - Fernie Formation (4)
    - Lower Jurassic
      - Hettangian (5)
      - Laberge Group (1)
      - lower Liassic (1)
      - Nordegg Member (1)
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      - Sinemurian (1)
      - Toarcian (1)
      - Triassic-Jurassic boundary (1)
    - Middle Jurassic
      - Aalenian (1)
      - Bajocian (1)
      - Bathonian (3)
      - Callovian (2)
      - Page Sandstone (2)
      - Summerville Formation (1)
      - Todilto Formation (1)
    - Norphlet Formation (3)
    - Oxford Clay (1)
    - San Rafael Group (3)
    - Twin Creek Limestone (1)
    - Upper Jurassic
      - Arab Formation (1)
      - Bowser Lake Group (1)
      - Brushy Basin Member (3)
      - Buckner Formation (1)
      - Entrada Sandstone (8)
      - Galice Formation (1)
      - Hanifa Formation (1)
      - Haynesville Formation (2)
      - Kimmeridge Clay (1)
      - Kimmeridgian (1)
      - La Casita Formation (1)
      - Morrison Formation (12)
      - Oxfordian (6)
      - Portlandian (2)
      - Salt Wash Sandstone Member (2)
      - Smackover Formation (1)
      - Stump Formation (1)
      - Sundance Formation (13)
      - Tithonian (4)
  - Kayenta Formation (4)
  - lower Mesozoic (2)
  - Maiolica Limestone (1)
  - Moenave Formation (2)
  - Navajo Sandstone (23)
  - Newark Supergroup (2)
  - Nugget Sandstone (6)
  - Serra Geral Formation (1)
  - Triassic
    - Charlie Lake Formation (7)
    - Hawkesbury Sandstone (2)
    - Liard Formation (2)
    - Lower Triassic
      - Bunter (2)
      - Dinwoody Formation (4)
      - Induan (1)
      - Permian-Triassic boundary (9)
      - Smithian (2)
      - Spathian (1)
      - Thaynes Formation (1)
    - Middle Triassic
      - Anisian (4)
      - Doig Formation (8)
      - Ladinian (1)
    - Moenkopi Formation (4)
    - Montney Formation (11)
    - Narrabeen Group (1)
    - Red Peak Formation (4)
    - Sherwood Sandstone (3)
    - Upper Triassic
      - Baldonnel Formation (2)
      - Carnian (4)
      - Chinle Formation (8)
      - Crow Mountain Sandstone (1)
      - Molteno Formation (1)
      - Norian (4)
      - Pardonet Formation (2)
      - Rhaetian (2)
      - Shinarump Member (1)
      - Stormberg Series (2)
      - Triassic-Jurassic boundary (1)
      - Xujiahe Formation (1)
  - Vaca Muerta Formation (3)
  - Wingate Sandstone (1)
  - Yanshanian (3)
- MIS 2 (9)
- MIS 3 (6)
- MIS 5 (4)
- MIS 6 (4)
- Moldanubian (1)
- Paleozoic
  - Cambrian
    - Acadian (1)
    - Bonanza King Formation (2)
    - Carrara Formation (1)
    - Lower Cambrian
      - Chilhowee Group (2)
      - Gog Group (2)
      - Poleta Formation (2)
      - Terreneuvian
        
        Fortunian (1)
      - Zabriskie Quartzite (1)
    - Middle Cambrian
      - Burgess Shale (1)
      - Flathead Sandstone (6)
    - Upper Cambrian
      - Furongian
        
        Jiangshanian (1)
        
        Paibian (1)
      - Mount Simon Sandstone (2)
      - Orr Formation (1)
      - Pilgrim Formation (1)
      - Potsdam Sandstone (2)
      - Steptoean (4)
  - Carboniferous
    - Albert Formation (2)
    - Amsden Formation (5)
    - Jackfork Group (2)
    - Johns Valley Formation (1)
    - Lower Carboniferous
      - Asbian (1)
      - Dinantian (3)
    - Mississippian
      - Barnett Shale (2)
      - Borden Group (2)
      - Charles Formation (1)
      - Lower Mississippian
        
        Fort Payne Formation (3)
        
        Kayak Shale (1)
        
        Kinderhookian
        
        Banff Formation (1)
        
        Lodgepole Formation (3)
        
        Osagian (2)
        
        Pocono Formation (1)
        
        Tournaisian
        
        upper Tournaisian (1)
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        Chesterian (4)
        
        Hartselle Sandstone (1)
        
        Heath Formation (1)
        
        Mauch Chunk Formation (1)
        
        Meramecian
        
        Salem Limestone (2)
        
        Warsaw Formation (1)
        
        Serpukhovian (3)
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      - Lower Pennsylvanian
        
        Bashkirian (1)
        
        Morrowan (1)
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        Allegheny Group (1)
        
        Atokan (3)
        
        Desmoinesian (4)
        
        Moscovian (5)
        
        Paradox Formation (1)
      - Minturn Formation (3)
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      - Upper Pennsylvanian
        
        Gzhelian (1)
        
        Kasimovian (2)
        
        Missourian
        
        Lansing Group (1)
        
        Virgilian (3)
        
        Wescogame Formation (1)
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    - Lower Devonian
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    - Upper Devonian
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        upper Famennian (2)
        
        Wabamun Group (2)
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        Leduc Formation (8)
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        Asselian (2)
        
        Kungurian (6)
        
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        Hueco Limestone (2)
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        Changhsingian (1)
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        Tonoloway Limestone (1)
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        Belt Supergroup (8)
        
        Bonner Formation (1)
        
        Helena Formation (1)
        
        Missoula Group (1)
        
        Ravalli Group (1)
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        Doushantuo Formation (1)
        
        Ediacaran (21)
        
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        Horsethief Creek Group (1)
        
        Marinoan (4)
        
        Moine Supergroup (1)
        
        Riphean
        
        upper Riphean (1)
        
        Sturtian (3)
        
        Tonian (2)
        
        Torridonian (2)
        
        Vendian (6)
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        Orosirian (1)
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        Doushantuo Formation (1)
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igneous rocks
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metamorphic rocks
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minerals
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Primary terms
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rock formations
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sedimentary rocks
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sedimentary structures
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sediments
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- sediments
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