• sand. The Wilcox Formation is a sand formation that is part of the Embayment Megagroup. It runs from southern Illinois to the State of Mississippi. It thickens...
    5 KB (509 words) - 18:46, 25 April 2024
  • The Hunton Megagroup also Hunton Super Group, Hunton Group, Hunton Formation and Hunton Limestone is predominantly composed of carbonate rock, deposited...
    14 KB (1,196 words) - 08:20, 14 September 2024
  • Thumbnail for Knox Supergroup
    Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    15 KB (1,191 words) - 15:18, 30 August 2024
  • Thumbnail for Salem Limestone
    Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    3 KB (134 words) - 19:51, 20 July 2024
  • Holocene Glacial alluvium, drift, and loess Pleistocene Embayment Megagroup Mounds Gravel Grover Gravel...
    8 KB (653 words) - 13:04, 8 July 2024
  • Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    2 KB (92 words) - 19:34, 20 July 2024
  • Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    1 KB (58 words) - 16:06, 12 February 2024
  • Thumbnail for St. Peter Sandstone
    Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    6 KB (547 words) - 19:53, 20 August 2024
  • Eocene Embayment Megagroup Wilcox Formation Claiborne Formation Paleocene Embayment Megagroup Porters Creek Formation Clayton Formation...
    2 KB (59 words) - 14:10, 7 June 2024
  • In Illinois, Missouri, Arkansas and Oklahoma it is part of the Hunton Megagroup. The St. Clair is the Basal member of the Niagaran Series, making it part...
    10 KB (478 words) - 02:04, 11 March 2024