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  - Tertiary
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      - Miocene
        
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        Grande Ronde Basalt (2)
        
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        lower Miocene
        
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        middle Miocene
        
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        Surma Group (6)
        
        upper Miocene
        
        Baynunah Formation (1)
        
        Chinji Formation (2)
        
        Messinian (7)
        
        Modelo Formation (1)
        
        Mount Messenger Formation (1)
        
        Puente Formation (1)
        
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        Tortonian (5)
        
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        Wanapum Basalt (1)
        
        Zia Formation (2)
      - Ogallala Formation (6)
      - Pliocene
        
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        lower Pliocene (9)
        
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      - Ringold Formation (1)
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      - upper Neogene (3)
    - Paleogene
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      - Eocene
        
        Absaroka Supergroup (1)
        
        Baca Formation (3)
        
        Chuckanut Formation (3)
        
        Chumstick Formation (3)
        
        Clarno Formation (2)
        
        Colton Formation (2)
        
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        Lake Gosiute (2)
        
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        lower Eocene
        
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        Ypresian
        
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        middle Eocene
        
        Bartonian (1)
        
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        Subathu Formation (3)
        
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        upper Eocene
        
        Poway Conglomerate (1)
        
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      - lower Paleogene (3)
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        Creede Formation (1)
        
        Fontainebleau Sandstone (2)
        
        Frio Formation (4)
        
        Hemlock Conglomerate (1)
        
        lower Oligocene
        
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        upper Oligocene
        
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        Vicksburg Group (1)
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        Clayton Formation (1)
        
        lower Paleocene
        
        Danian (4)
        
        K-T boundary (1)
        
        middle Paleocene
        
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        Pinyon Conglomerate (1)
        
        Ravenscrag Formation (1)
        
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        upper Paleocene (8)
      - Paleocene-Eocene Thermal Maximum (2)
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      - upper Paleogene (1)
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      - White River Group (4)
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    - upper Tertiary (6)
    - Vaqueros Formation (1)
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  - upper Cenozoic
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- Mesozoic
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    - Comanchean
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    - Lower Cretaceous
      - Agrio Formation (1)
      - Albian
        
        lower Albian (1)
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      - Blackleaf Formation (2)
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      - Cadomin Formation (2)
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      - Cloverly Formation (1)
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      - Glen Rose Formation (1)
      - Hauterivian (6)
      - Kemik Sandstone (1)
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      - Mannville Group (10)
      - McMurray Formation (4)
      - Missisauga Formation (6)
      - Moosebar Formation (1)
      - Mowry Shale (1)
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      - Mural Limestone (1)
      - Neocomian (3)
      - Rodessa Formation (1)
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      - Wealden (2)
      - Zubair Formation (1)
    - Mancos Shale (2)
    - Middle Cretaceous
      - Winton Formation (1)
    - Nenjiang Formation (3)
    - Qingshankou Formation (4)
    - Quantou Formation (1)
    - Upper Cretaceous
      - Almond Formation (1)
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      - Belly River Formation (4)
      - Blackhawk Formation (2)
      - Campanian
        
        lower Campanian (1)
      - Cardium Formation (2)
      - Carlile Shale (1)
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      - Cenomanian (20)
      - Codell Sandstone Member (1)
      - Colville Group (1)
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      - Dawson Canyon Formation (1)
      - Forbes Formation (1)
      - Fort Hays Limestone Member (1)
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      - Frontier Formation (3)
      - Gammon Ferruginous Member (1)
      - Gulfian
        
        Eagle Ford Formation (1)
        
        Woodbine Formation (2)
      - Harebell Formation (1)
      - Hornbrook Formation (4)
      - Horseshoe Canyon Formation (1)
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      - Judith River Formation (1)
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      - Kanguk Formation (2)
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      - K-T boundary (1)
      - Lance Formation (1)
      - Laramie Formation (1)
      - Maestrichtian (23)
      - Mesaverde Group (6)
      - Neuquen Group (2)
      - Niobrara Formation (2)
      - Ojo Alamo Sandstone (1)
      - Oldman Formation (1)
      - Pierre Shale (8)
      - Point Loma Formation (2)
      - Rosario Formation (1)
      - Saint Mary River Formation (1)
      - Santonian (5)
      - Saratoga Chalk (1)
      - Senonian (32)
      - Shannon Sandstone Member (1)
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      - Smoky Hill Chalk Member (1)
      - Straight Cliffs Formation (2)
      - Sussex Sandstone Member (1)
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      - Turonian
        
        upper Turonian (1)
      - Tuscaloosa Formation (2)
      - Vivian Formation (1)
      - Williams Fork Formation (1)
      - Wyandot Formation (1)
    - Valdez Group (2)
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    - Vraconian (1)
  - Franciscan Complex (19)
  - Glen Canyon Group (3)
  - Great Valley Sequence (24)
  - Jurassic
    - Aztec Sandstone (1)
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    - Carmel Formation (1)
    - Clarens Formation (2)
    - Coast Range Ophiolite (2)
    - Fernie Formation (2)
    - Heather Formation (1)
    - Kingak Shale (1)
    - Ladner Group (1)
    - Lower Jurassic
      - East Berlin Formation (1)
      - Hettangian (2)
      - Laberge Group (5)
      - lower Liassic (1)
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      - Portland Formation (1)
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      - upper Liassic (1)
    - Mic Mac Formation (3)
    - Middle Jurassic
      - Aalenian (2)
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        Brent Group (2)
        
        Tarbert Formation (1)
      - Bathonian (6)
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      - Dogger (1)
      - Summerville Formation (1)
    - Norphlet Formation (5)
    - Posidonia Shale (1)
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    - Upper Jurassic
      - Bossier Formation (1)
      - Bowser Lake Group (2)
      - Buckner Formation (1)
      - Entrada Sandstone (2)
      - Fulmar Formation (2)
      - Galice Formation (5)
      - Hanifa Formation (1)
      - Haynesville Formation (4)
      - Jeanne d'Arc Formation (1)
      - Josephine Ophiolite (3)
      - Kimmeridge Clay (2)
      - Kimmeridgian (4)
      - La Casita Formation (1)
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      - Oxfordian (4)
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      - Salt Wash Sandstone Member (1)
      - Sarayaquillo Formation (1)
      - Stump Formation (2)
      - Sundance Formation (1)
      - Swift Formation (2)
      - Tithonian (7)
      - Volgian (1)
  - Kayenta Formation (1)
  - lower Mesozoic (14)
  - McHugh Complex (1)
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  - Statfjord Formation (3)
  - Triassic
    - Charlie Lake Formation (3)
    - Fremouw Formation (1)
    - Liard Formation (1)
    - Lower Triassic
      - Bunter (2)
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      - Permian-Triassic boundary (9)
      - Spathian (1)
    - Middle Triassic
      - Anisian (4)
      - Doig Formation (5)
      - Muschelkalk (1)
    - Moenkopi Formation (1)
    - Montney Formation (6)
    - Sherwood Sandstone (2)
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    - Upper Triassic
      - Baldonnel Formation (2)
      - Carnian (7)
      - Chinle Formation (8)
      - Karmutsen Group (1)
      - Keuper (1)
      - Luning Formation (2)
      - Molteno Formation (2)
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      - Pardonet Formation (1)
      - Petrified Forest Member (1)
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      - Stormberg Series (2)
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      - Yanchang Formation (4)
  - upper Mesozoic (12)
  - Wingate Sandstone (1)
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- Paleozoic
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  - Arbuckle Group (1)
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  - Cambrian
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    - Lower Cambrian
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    - Middle Cambrian
      - Flathead Sandstone (2)
    - Tapeats Sandstone (2)
    - Upper Cambrian
      - Copper Ridge Dolomite (1)
      - Galesville Sandstone (1)
      - Goldenville Formation (5)
      - Lamotte Sandstone (3)
      - Mount Simon Sandstone (2)
      - Pilgrim Formation (1)
      - Potsdam Sandstone (2)
  - Carboniferous
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    - Chilliwack Group (1)
    - Jackfork Group (4)
    - Johns Valley Formation (6)
    - Lower Carboniferous
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      - Chainman Shale (1)
      - Harrodsburg Limestone (1)
      - Leadville Formation (1)
      - Logan Formation (2)
      - Lower Mississippian
        
        Cuyahoga Formation (2)
        
        Kayak Shale (2)
        
        Kekiktuk Conglomerate (2)
        
        Kinderhookian
        
        Banff Formation (1)
        
        Osagian (1)
        
        Tournaisian (3)
      - Middle Mississippian
        
        Visean (8)
      - Redwall Limestone (1)
      - Stanley Group (3)
      - Sunbury Shale (1)
      - Upper Mississippian
        
        Chesterian
        
        Aux Vases Sandstone (1)
        
        Golconda Formation (1)
        
        Greenbrier Limestone (2)
        
        Hartselle Sandstone (5)
        
        Hinton Formation (1)
        
        Mauch Chunk Formation (1)
        
        Meramecian
        
        Sainte Genevieve Limestone (1)
        
        Salem Limestone (1)
        
        Monteagle Limestone (1)
        
        Parkwood Formation (3)
        
        Pennington Formation (2)
        
        Pride Mountain Formation (1)
        
        Serpukhovian (5)
    - Namurian (8)
    - Pennsylvanian
      - Conemaugh Group (1)
      - Cumberland Group (1)
      - Freeport Formation (1)
      - Lower Pennsylvanian
        
        Bashkirian (2)
        
        Caseyville Formation (1)
        
        Haymond Formation (4)
        
        Morrowan
        
        Bloyd Formation (1)
      - Marble Falls Group (1)
      - Middle Pennsylvanian
        
        Allegheny Group (2)
        
        Atokan
        
        Atoka Formation (4)
        
        Desmoinesian
        
        Boggy Shale (1)
        
        Krebs Group (1)
        
        Kanawha Formation (1)
        
        Moscovian (1)
        
        Spoon Formation (1)
      - Minturn Formation (3)
      - Morien Group (1)
      - Pottsville Group (11)
      - Sharon Conglomerate (3)
      - Strawn Series (2)
      - Upper Pennsylvanian
        
        Missourian
        
        Rock Lake Shale Member (1)
        
        Stanton Formation (1)
    - Schoonover Sequence (1)
    - Silesian (1)
    - Tesnus Formation (3)
    - Upper Carboniferous
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      - Millstone Grit (5)
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      - Westphalian (11)
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  - Devonian
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    - Lower Devonian
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      - Shap Granite (1)
      - Siegenian (1)
    - Middle Devonian
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      - Elk Point Group (1)
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      - Hamilton Group (1)
      - Marcellus Shale (2)
      - Sylvania Formation (1)
      - Tully Limestone (3)
    - Old Red Sandstone (19)
    - Slave Point Formation (2)
    - Upper Devonian
      - Brallier Shale (1)
      - Chemung Formation (1)
      - Famennian (2)
      - Frasnian
        
        Leduc Formation (1)
      - Jefferson Group (1)
      - Kanayut Conglomerate (2)
      - Ohio Shale (1)
      - Perry Formation (2)
    - Upper Old Red Sandstone (1)
    - Waterways Formation (2)
  - Dunkard Group (1)
  - Earn Group (1)
  - Exshaw Formation (1)
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  - Horton Group (7)
  - lower Paleozoic
    - Conococheague Formation (1)
    - Penobscot Formation (2)
  - Madera Formation (2)
  - Maroon Formation (1)
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  - middle Paleozoic (7)
  - New Albany Shale (1)
  - Ordovician
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    - Lower Ordovician
      - Arenigian
        
        Ballantrae Complex (1)
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      - Manx Group (2)
      - Saint George Group (1)
      - Tremadocian
        
        Halifax Formation (5)
    - Lushs Bight Group (1)
    - Martinsburg Formation (1)
    - Meguma Group (2)
    - Middle Ordovician
      - Cloridorme Formation (1)
      - Darriwilian (2)
      - Dolgeville Formation (1)
      - Galena Dolomite (1)
      - Glenwood Shale (1)
      - Llandeilian (1)
      - Llanvirnian (2)
      - Normanskill Formation (3)
      - Saint Peter Sandstone (3)
      - Schenectady Formation (2)
      - Simpson Group (2)
      - Whiterockian (1)
    - Skiddaw Slates (2)
    - Upper Ordovician
      - Ashgillian (6)
      - Caradocian
        
        Borrowdale Volcanic Group (1)
      - Cincinnatian
        
        Richmondian (2)
      - Fairview Formation (2)
      - Hirnantian (3)
      - Juniata Formation (1)
      - Katian (2)
      - Kope Formation (2)
      - Sandbian (1)
      - Trentonian (1)
      - Wufeng Formation (1)
    - Utica Shale (2)
    - Valmy Formation (2)
    - Vinini Formation (1)
    - Womble Shale (1)
  - Peel Sound Formation (1)
  - Permian
    - Blaine Formation (1)
    - Buckley Formation (1)
    - Castile Formation (1)
    - Cutler Formation (4)
    - Damuda Series (1)
    - Ecca Group (3)
    - Gharif Formation (1)
    - Guadalupian
      - Delaware Mountain Group (1)
    - Irati Formation (1)
    - Kamthi Formation (3)
    - Khuff Formation (1)
    - Longtan Formation (1)
    - Lower Permian
      - Abo Formation (1)
      - Barakar Stage (6)
      - Cisuralian
        
        Artinskian (2)
        
        Asselian (1)
        
        Kungurian (2)
        
        Sakmarian (2)
      - Leonardian
        
        Bone Spring Limestone (2)
      - Wolfcampian
        
        Hueco Limestone (1)
    - Lyons Sandstone (2)
    - McCloud Limestone (2)
    - Middle Permian (7)
    - Mitu Group (1)
    - Newcastle Coal Measures (1)
    - Shihezi Formation (2)
    - Unayzah Formation (2)
    - Upper Permian
      - Lopingian
        
        Wuchiapingian (1)
      - Permian-Triassic boundary (9)
      - Raniganj Formation (4)
    - Wellington Formation (2)
  - Phuket Group (1)
  - Read Bay Formation (1)
  - Sauk Sequence (3)
  - Shawangunk Formation (1)
  - Shoo Fly Complex (9)
  - Silurian
    - Clinch Sandstone (1)
    - Lower Silurian
      - Llandovery
        
        Telychian (1)
      - Tuscarora Formation (2)
      - Wenlock (11)
    - Middle Silurian
      - Rose Hill Formation (1)
    - Upper Silurian
      - Ludlow
        
        Gorstian (1)
        
        Ludfordian (1)
      - Pridoli (4)
      - Salina Group (1)
  - Supai Formation (1)
  - Taiyuan Formation (1)
  - Talchir Formation (4)
  - Tensleep Sandstone (2)
  - upper Paleozoic
    - Antrim Shale (1)
    - Arkansas Novaculite (1)
    - Calaveras Formation (1)
    - Dwyka Formation (1)
    - Fountain Formation (4)
    - Pictou Group (1)
    - Shanxi Formation (3)
    - Wood River Formation (2)
  - Weber Sandstone (2)
  - Wissahickon Formation (1)
  - Woodford Shale (2)
- Phanerozoic (17)
- Precambrian
  - Animikie Group (2)
  - Archean
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    - Fig Tree Group (4)
    - Gangpur Series (1)
    - Iron Ore Group (2)
    - Mesoarchean (4)
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      - Dharwar Supergroup (2)
      - Sargur Group (2)
    - Paleoarchean (5)
    - Peninsular Gneiss (1)
    - Singhbhum Granite (2)
    - Swaziland Supergroup (1)
    - Timiskaming Group (2)
    - Yellowknife Group (1)
  - Carrizo Mountain Formation (1)
  - Central Rand Group (2)
  - Chuar Group (1)
  - Cuddapah System (2)
  - Delhi Supergroup (1)
  - Espanola Formation (1)
  - Flinton Group (2)
  - Fortescue Group (1)
  - Gunflint Iron Formation (1)
  - Hadean (6)
  - Hamersley Group (1)
  - Hazel Formation (2)
  - Johnnie Formation (1)
  - Kisseynew Complex (2)
  - Lewisian Complex (5)
  - middle Precambrian (1)
  - Missi Group (1)
  - Osler Series (1)
  - Pahrump Series (2)
  - Pongola Supergroup (2)
  - Prichard Formation (1)
  - Purcell System (3)
  - Sioux Quartzite (1)
  - Sokoman Formation (1)
  - Stillwater Complex (1)
  - Stirling Quartzite (2)
  - Transvaal Supergroup (7)
  - Uinta Mountain Group (6)
  - Unkar Group (1)
  - upper Precambrian
    - Mahakoshal Group (1)
    - Proterozoic
      - Algonkian
        
        Baraboo Quartzite (2)
      - Banxi Group (3)
      - Damara System (2)
      - Huronian
        
        Gowganda Formation (3)
        
        Signal Hill Formation (1)
      - Keweenawan
        
        Copper Harbor Conglomerate (2)
      - Lewisian (2)
      - Mesoproterozoic
        
        Belt Supergroup (14)
        
        Bonner Formation (1)
        
        Calymmian (2)
        
        Freda Sandstone (1)
        
        Missoula Group (4)
        
        Newland Limestone (2)
        
        Ravalli Group (1)
        
        Roper Group (3)
        
        Shuangqiaoshan Group (1)
        
        Stenian (3)
      - Miette Group (1)
      - Neoproterozoic
        
        Burra Group (1)
        
        Cryogenian (13)
        
        Ediacaran (26)
        
        Hadrynian
        
        George River Group (1)
        
        Horsethief Creek Group (3)
        
        Maranon Complex (1)
        
        Marinoan (4)
        
        McCoy Creek Group (1)
        
        Moine Supergroup (3)
        
        Moinian (2)
        
        Nantuo Formation (3)
        
        Otavi Group (1)
        
        Riphean
        
        upper Riphean (1)
        
        Sturtian (3)
        
        Tonian (10)
        
        Torridonian (7)
        
        Vendian (9)
        
        Walden Creek Group (1)
        
        Wilpena Group (1)
      - Oronto Group (2)
      - Ortega Group (2)
      - Paleoproterozoic
        
        Baker Lake Group (1)
        
        Birimian (2)
        
        Chelmsford Formation (1)
        
        Dhanjori Group (3)
        
        Marquette Range Supergroup (2)
        
        Michigamme Formation (1)
        
        Orosirian (1)
        
        Rhyacian (1)
        
        Statherian (2)
      - Pretoria Group (1)
      - Sinian
        
        Nantuo Formation (3)
      - Umberatana Group (1)
      - Windermere System (7)
  - Vadito Group (2)
  - Ventersdorp Supergroup (6)
  - Waterberg System (1)
  - Witwatersrand Supergroup (11)
  - Wyman Formation (1)
  - Yellowjacket Formation (1)
- Rhenohercynian (2)
- Saxothuringian (8)
- Vindhyan (3)
igneous rocks
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- igneous rocks
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      - charnockite (6)
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        dunite (4)
        
        harzburgite (5)
        
        lherzolite (1)
        
        spinel lherzolite (1)
        
        spinel peridotite (1)
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        clinopyroxenite (1)
        
        websterite (1)
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        alkali olivine basalt (1)
        
        hawaiite (1)
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- ophiolite (56)
- volcanic ash (30)
metamorphic rocks
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meteorites
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        ALH 84001 (1)
        
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        chassignite
        
        Chassigny Meteorite (1)
        
        nakhlite (2)
        
        shergottite (2)
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        L chondrites (1)
minerals
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- borates
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- carbonates
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- minerals (33)
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- phosphates
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        glaucophane (6)
        
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        augite (4)
        
        chrome diopside (1)
        
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        K-feldspar (26)
        
        microcline (1)
        
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        peristerite (1)
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        opal-A (1)
        
        opal-CT (2)
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        smoky quartz (1)
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        monticellite (1)
        
        olivine (7)
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      - titanite group
        
        titanite (10)
      - zircon group
        
        coffinite (1)
        
        zircon (905)
    - sorosilicates
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        epidote (11)
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        gehlenite (2)
        
        melilite (1)
      - pumpellyite group
        
        pumpellyite (1)
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    - illite (64)
    - mica group
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- sulfates
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- sulfides
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- sulfosalts
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    - tennantite (1)
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    - lillianite (1)
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