Geologic units in Campbell county, Kentucky

Alluvium (Pleistocene to Holocene) at surface, covers 9 % of this area: Alluvium; includes glacial deposits along the Ohio River and its tributaries west of Cannelton locks
Lithology: sand; silt; glacial drift
Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 57 % of this area: Garrard Siltstone and Kope and Clays Ferry Formations, undivided
Lithology: shale; limestone; siltstone
Bull Fork Formation (Ordovician) at surface, covers 0.5 % of this area: Bull Fork Formation
Lithology: limestone; shale
Glacial deposits, undifferentiated (Pleistocene to Holocene) at surface, covers 3 % of this area: Glacial deposits, undifferentiated; shown locally
Lithology: glacial drift
Point Pleasant Formation (Ordovician) at surface, covers < 0.1 % of this area: Point Pleasant Formation - Limestone (60%) and shale (40%) interbedded; gray to bluish gray weathers light gray; planar to lenticular, thin to medium bedded; 0 to 80 feet thick.
Lithology: limestone; shale
Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided (Ordovician) at surface, covers 26 % of this area: Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided
Lithology: limestone; shale; siltstone