Geologic units in Switzerland county, Indiana

Alluvium (Pleistocene to Holocene) at surface, covers < 0.1 % of this area: Alluvium; includes glacial deposits along the Ohio River and its tributaries west of Cannelton locks
Lithology: sand; silt; glacial drift
Louisville Limestone through Brassfield Limestone (Silurian) at surface, covers 0.5 % of this area: Louisville Limestone through Brassfield Limestone - Sexton Creek Limestone at base in Kentland area and on cross-section
Lithology: limestone
Whitewater Formation (Ordovician) at surface, covers 2 % of this area: Whitewater Formation - Skeletal limestone and calcareous shale; dolomitic mudstone (S, Saluda Member) at base
Lithology: limestone; shale; mudstone
Kope Formation (Ordovician) at surface, covers 14 % of this area: Kope Formation - Shale and thin skeletal limestone
Lithology: shale; limestone
Dillsboro Formation (Ordovician) at surface, covers 75 % of this area: Dillsboro Formation - Skeletal limestone and calcareous shale
Lithology: limestone; shale
Lexington Limestone (Ordovician) at surface, covers 7 % of this area: Lexington Limestone - Micritic and skeletal limestone
Lithology: limestone