Fine crystalline, silty, cherty dolomite, and oolitic chert with local sandstone beds.
Sandstone, chert and interbedded dolomite
Coarse - crystalline cherty dolomite with a basal Gunter Sandstone Member.
Alluvium - clay, silt, sand, and gravel.
Cyclic deposits, shale and limestone with sandstone, clay and several coal beds, some workable.
Eminence Dolomite - dolomite with some druse - coated chert. Potosi Dolomite - dolomite with abundance of druse - coated chert.