Atoka Formation, undivided
Boone Formation
Bloyd Shale, and Prairie Grove Member of the Hale Formation
Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)
Cane Hill Member of Hale Formation
Powell Dolomite
St. Peter Sanstone and Everton Formation (Middle Ordovician)
Cotter and Jefferson City Dolomites
Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian)