Hunton Megagroup

The Hunton Megagroup also Hunton Super Group, Hunton Group, Hunton Formation and Hunton Limestone is predominantly composed of carbonate rock, deposited between the Silurian and early to mid Devonian periods. In many States it acts as a reservoir for both hydrocarbons and water.

Hunton Megagroup
Stratigraphic range: Rhuddanian-Eifelian
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Sub-units
Arkansas
  • Clifty Limestone
  • Penters Chert
  • Lafferty Limestone
  • St Clair Limestone
Southern Illinois
  • Moccasin Springs Formation
  • St Clair Limestone
  • Sexton Creek Formation
  • Edgewood Formation
Western Illinois
  • Racine Formation
  • Joliet Limestone
  • Kankakee Limestone
  • Edgewood Formation
Lithology
Primary
Carbonate rock
Other
Location
Region
Type section
Named forHunton, Coal County, Oklahoma
Named byJoseph A. Taff, 1902
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