The Hampshire Formation is a geologic formation in West Virginia, USA. It preserves fossils dating back to the Devonian period. 
 See also
   References
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| Ph | | Pz | | P | | Cisuralian |  - Dunkard Group
    Greene Formation    - Windy Gap Limestone
  - Windy Gap Coal
  - Gilmore Limestone
  - Nineveh Sandstone
  - Nineveh Coal
  - Nineveh Limestone
  - Fish Creek Sandstone
  - Claysville Limestone
  - Dunkard Coal
  - Prosperity Limestone
  - Tenmile Coal
  - Donley Limestone
  - Upper Washington Coal
  - Rockport Member
 
     Washington Formation    - Upper Washington Limestone Member
  - Jollytown Limestone Member
  - Jollytown Coal
  - Middle Washington Limestone Member
  - Washington Coal
  - Lower Washington Limestone Member
 
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 | C | | ⁋ | | Gzhelian |  - Dunkard Group
   Waynesburg Formation    - Upper Waynesburg Member
  - Little Washington Coal
  - Waynesburg“B” coal
  - Middle Waynesburg Member
  - Waynesburg“A” coal
  - Lower Waynesburg Member
 
   - Monongahela Group
   Uniontown Formation    - Waynesburg coal "No. 11 Coal"
  - Gilboy Sandstone Member
  - Little Waynesburg Coal
  - Waynesburg Limestone Member
  - Uniontown Sanstone Member
  - Annabelle Shale Member
  - Uniontown Coal "No. 10 Coal"
  - Uniontown Limestone Member "Great Lime"
  - Fulton Shale Member
 
     Pittsburgh Formation    - Benwood Limestone
  - Upper Sewickley Coal
  - Upper Sewickley Sandstone Member
  - Sewickley Coal "Meigis Creek" "No. 9 Coal"
  - Lower Sewickley Sandstone Member
  - Sewickley Limestone Member
  - Cedarville Sanstone Member
  - Redstone-Pomeroy coal "No 8a. Coal"
  - Westone Sanstone Member
  - Pittsburgh coal seam "No. 8 Coal"
 
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 | Kasimovian |  - Conemaugh Group
   Casselman Formation    - Upper Pittsburgh Limestone Member
  - Little Pittsburgh coal seam
  - Lower Pittsburgh Limestone Member
  - Connellsville Member
  - Morgantown Member
  - Birmingham Member
 
   - Glenshaw Formation
    - Ames Limestone
  - Pittsburgh Red Beds
  - Upper Bakerstown coal
  - Upper Saltsburg Sandstone Member
  - Woods Run Limestone Member
  - Lower Saltsburg Sandstone Member
  - Pine Creek Limestone Member
  - Buffalo Sandstone Member
  - Bush Creek Limestone Member
 
   - Mahoning Formation
    - Bush Creek Coal
  - Upper Mahoning Sandstone Member
  - Mahoning Coal "No. 7a Coal"
  - Lower Mahoning Sandstone Member
 
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 | Moscovian |  - Allegheny Group
    Freeport Formation    - Upper Freeport Coal "No. 7 Coal"
  - Upper Freeport Limestone Member
  - Butler Sandstone Member
  - Lower Freeport Coal "No. 6a Coal"
  - Upper Freeport Limestone Member
  - Freeport Sandstone Member
 
   - Kittanning Formation
    - Upper Kittanning Coal
  - Johnstone Limestone Member
  - Middle Kittanning Coal "No. 6 Coal"
  - Lower Kittanning Coal "No. 5 Coal"
  - Kittanning Sandstone Member
 
   - Clarian Formation
    - Clarian Coal "No. 4a Coal"
  - Vanport Limestone Member
  - Brookville Coal "No. 4 Coal"
  - Brookville Member
 
   - Pottsville Group
    Beaver River Formation    - Homewood Sandstone Member "1st Salt Sand"
 
   - Mercer Formation
    - Upper Mercer Limestone Member
  - Upper Mercer Coal
  - Lower Mercer Limestone Member
  - Lower Mercer Coal "No. 3 Coal"
 
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 | Bashkirian |  - Pottsville Group
    Connoquenessing Formation    - Upper Connoquenessing Sandstone Member "2nd Salt Sand"
  - Quakertown Coal "No. 2 Coal"
  - Quakertown Fire Clay
  - Quakertown Shale
  - Lower Connoquenessing Sandstone Member
 
   - Sharon Formation
    - Sharon Shale Member
  - Sharon Coal "No. 1 Coal"
  - Sharon Sandstone
 
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 | D | | Upper | | Famennian |   - Venango Group
    - Gantz, Hundred-foot sand, Fifty-foot sand, Thirty-foot sand, Nineveh-Snee, Gordon Stray, Fourth Sand, Fifth Sand, Bayard Sand, Elizabeth Sand, Sweet Richard,
  - Chadakoin Formation, First Warren
 
   - Bradford Group
    - Upper Warren, Lower Warren, Speechely Stray, Speechely, Balltown A, Balltown B, Balltown C, Sheffield, First Bradford, Second Bradford, Third Bradford, Kane
 
   - Elk Group
    - 1st Elk Sand, 2nd Elk Sand, 3rd Elk Sand, 4th Elk Sand, 5th Elk Sand
 
   - Ohio Shale
      - Catskill Group
    - Duncannon Member
  - Sherman Creek Member
  - Irish Valley Member
 
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 | Frasnian |  | 
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  - Knapp Conglomerate
  - Murrysville Sandstone
 
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| pЄ |   Grenville Complex  | 
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| Ph | | Pz | | C | | ⁋ | | Moscovian |  - Betsie Shale
  - Grundy Formation
  - Hyden Formation
  - Kendrick Shale
  - Pikeville Formation
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 | Bashkirian |  - Bee Rock Formation
  - Hensley Shale
  - Sewannee Formation
  - Warren Point Formation
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