St. Peter Sanstone and Everton Formation (Middle Ordovician)
Powell Dolomite
Cason Shale and Fernvale Limestone (Upper Ordovician) and Kimmswick Limestone, Plattin Limestone, and Joachim Dolomite (Middle Ordovician)
Cotter and Jefferson City Dolomites
Boone Formation
Lafferty, St. Clair and Brassfield Limestones
Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian)