Patoka and Shelburn Formations

Mostly shale and sandstone; also includes thin beds of limestone and coal. WF, top of West Franklin member
State Indiana
Name Patoka and Shelburn Formations
Geologic age Pennsylvanian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Coal
Sedimentary > Carbonate > Limestone
Stratigraphic units Patoka Formation, Shelburn Formation (and includes West Franklin member)
References

Gray, Henry H., Ault, Curtis, H., and Keller, Stanley, J., 1987, Bedrock geologic map of Indiana: Dept. of Natural Resources, Indiana Geological Survey, Miscellaneous Map 48, scale 1:500,000.

NGMDB product
Counties Gibson - Knox - Pike - Posey - Sullivan - Vanderburgh - Vermillion - Vigo - Warrick