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        Columbia River Basalt Group (1)
        
        Sarmatian (1)
        
        Topopah Spring Member (1)
        
        upper Miocene (1)
      - Pliocene (5)
    - Paleogene
      - Dongying Formation (1)
      - Eocene
        
        Absaroka Supergroup (1)
        
        lower Eocene
        
        Willwood Formation (1)
        
        upper Eocene (2)
      - Hanna Formation (1)
      - Oligocene (1)
      - Paleocene
        
        lower Paleocene
        
        K-T boundary (2)
    - Shahejie Formation (1)
- Dalradian (9)
- Mesozoic
  - Cretaceous
    - Lower Cretaceous (10)
    - Middle Cretaceous (1)
    - Upper Cretaceous
      - K-T boundary (2)
  - Jurassic
    - Lower Jurassic
      - Pliensbachian (1)
      - Sinemurian (1)
      - Toarcian (1)
    - Middle Jurassic (3)
    - Upper Jurassic
      - Sundance Formation (1)
  - lower Mesozoic (3)
  - Triassic
    - Lower Triassic
      - Permian-Triassic boundary (1)
    - Upper Triassic (5)
  - upper Mesozoic (1)
  - Yanshanian (1)
- Paleozoic
  - Cambrian
    - Lower Cambrian (5)
    - Middle Cambrian
      - Flathead Sandstone (1)
    - Semri Series (1)
  - Carboniferous
    - Lower Carboniferous (2)
    - Mississippian
      - Lower Mississippian
        
        Kinderhookian
        
        Banff Formation (1)
        
        Tournaisian (1)
      - Upper Mississippian
        
        Chesterian (1)
    - Pennsylvanian
      - Lower Pennsylvanian
        
        Morrowan (1)
    - Upper Carboniferous
      - Millstone Grit (1)
      - Uralian (1)
  - Devonian
    - Lower Devonian (2)
    - Middle Devonian (1)
    - Old Red Sandstone (2)
    - Popovich Formation (1)
    - Upper Devonian
      - Frasnian (1)
  - Exshaw Formation (1)
  - lower Paleozoic (13)
  - middle Paleozoic (2)
  - Ordovician
    - Lower Ordovician
      - Arenigian
        
        Ballantrae Complex (1)
    - Majiagou Formation (1)
    - Middle Ordovician
      - Black River Group (1)
    - Upper Ordovician (1)
  - Permian
    - Ecca Group (2)
    - Lower Permian (2)
    - Upper Permian
      - Permian-Triassic boundary (1)
    - Whitehill Formation (1)
  - Pilot Shale (1)
  - Silurian
    - Lower Silurian
      - Llandovery (1)
    - Upper Silurian (1)
  - Talchir Formation (1)
  - upper Paleozoic
    - Dwyka Formation (2)
- Phanerozoic (60)
- Precambrian
  - Animikie Group (1)
  - Archean
    - Amisk Group (14)
    - Aravalli System (17)
    - Blake River Group (45)
    - Blondeau Formation (2)
    - Bulawayan Group (9)
    - Eoarchean (19)
    - Fig Tree Group (19)
    - Gangpur Series (1)
    - Gilman Formation (4)
    - Hayes River Group (2)
    - Iron Ore Group (6)
    - J-M Reef (25)
    - Kalgoorlie System (4)
    - Kromberg Formation (3)
    - Mesoarchean (112)
    - Napier Complex (10)
    - Neoarchean
      - Amitsoq Gneiss (4)
      - Dharwar Supergroup (18)
      - Jiaodong Group (2)
      - Sargur Group (8)
    - Nuk Gneiss (3)
    - Opemisca Group (2)
    - Paleoarchean
      - Hooggenoeg Formation (7)
    - Peninsular Gneiss (6)
    - Rice Lake Group (3)
    - Roy Group (2)
    - Sausar Series (4)
    - Singhbhum Granite (9)
    - Swaziland Supergroup (6)
    - Taihua Group (5)
    - Timiskaming Group (20)
    - Vermilion granitic complex (1)
    - Warrawoona Group (17)
    - Yellowknife Group (25)
  - Bijawar System (1)
  - Brockman Iron Formation (4)
  - Central Rand Group (12)
  - Changcheng System (1)
  - Cuddapah System (2)
  - Delhi Supergroup (4)
  - Eocambrian (1)
  - Fortescue Group (7)
  - Gunflint Iron Formation (2)
  - Hadean (56)
  - Hamersley Group (11)
  - Kisseynew Complex (3)
  - Levack Gneiss (3)
  - Lewisian Complex (18)
  - middle Precambrian (2)
  - Minas Supergroup (1)
  - Missi Group (4)
  - Nipissing Diabase (2)
  - North Shore Volcanics (1)
  - Onverwacht Group (23)
  - Pongola Supergroup (20)
  - Prince Albert Group (1)
  - Sleepy Dragon Complex (3)
  - Sokoman Formation (1)
  - Spuhler Peak Formation (1)
  - Stillwater Complex (31)
  - Transvaal Supergroup (32)
  - Uinta Mountain Group (1)
  - upper Precambrian
    - Proterozoic
      - Athabasca Formation (3)
      - Banded Gneissic Complex (3)
      - Banxi Group (1)
      - Espinhaco Supergroup (1)
      - Great Oxidation Event (16)
      - Huronian
        
        Gowganda Formation (3)
        
        Onaping Formation (3)
      - Hutuo Group (2)
      - Keweenawan (3)