Geologic units in Carter county, Kentucky

Breathitt Formation, lower part (Pennsylvanian) at surface, covers 41 % of this area

lower part which includes Livingston Conglomerate Member of Lee Formation in eastern Rockcastle County

Wildie, Nada, Halls Gap, Holtsclaw Siltstone, Cowbell, Nancy, Kenwood Siltstone, New Providence Shale, Sunbury Shale, Berea Sandstone, and Bedford Shale, undivided; Borden Formation locally includes Renfro Member in eastern Kentucky (Devonian to Mississippian) at surface, covers 16 % of this area

Wildie, Nada, Halls Gap, Holtsclaw Siltstone, Cowbell, Nancy, Kenwood Siltstone, New Providence Shale, Sunbury Shale, Berea Sandstone, and Bedford Shale, undivided; Borden Formation locally includes Renfro Member in eastern Kentucky

Breathitt Formation, middle part (Pennsylvanian) at surface, covers 11 % of this area

Breathitt Formation, middle part

Breathitt Formation, upper part (Pennsylvanian) at surface, covers 10 % of this area

Breathitt Formation, upper part

Newman Limestone (Mississippian) at surface, covers 9 % of this area

Newman Limestone

Monongahela and Conemaugh Formations, undivided (Pennsylvanian) at surface, covers 7 % of this area

Monongahela and Conemaugh Formations, undivided

Corbin Sandstone Member of Lee Formation (Pennsylvanian) at surface, covers 4 % of this area

Corbin Sandstone Member of Lee Formation

Alluvium (Pleistocene to Holocene) at surface, covers 2 % of this area

Alluvium; includes glacial deposits along the Ohio River and its tributaries west of Cannelton locks