Dillsboro Formation

Skeletal limestone and calcareous shale
State Indiana
Name Dillsboro Formation
Geologic age Ordovician
Lithologic constituents
Major
Sedimentary > Carbonate > LimestoneDillsboro Formation Skeletal limestone and calcareous shale
Sedimentary > Clastic > Mudstone > Shale (Calcareous)Dillsboro Formation Skeletal limestone and calcareous shale
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 Clark - Dearborn - Decatur - Fayette - Franklin - Henry - Jefferson - Ohio - Ripley - Rush - Switzerland - Union - Wayne