Geologic units in Fleming county, Kentucky

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided (Ordovician) at surface, covers 20 % of this area

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided

Bull Fork Formation (Ordovician) at surface, covers 19 % of this area

Bull Fork Formation

Crab Orchard Formation and Brassfield Dolomite, undivided (Silurian) at surface, covers 19 % of this area

Crab Orchard Formation and Brassfield Dolomite, undivided; locally includes Bisher Dolomite in Estill County

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 12 % of this area

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided

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 10 % 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

Drakes Formation (Ordovician) at surface, covers 10 % of this area

Drakes Formation

Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 9 % of this area

Garrard Siltstone and Kope and Clays Ferry Formations, undivided

Lexington Limestone (Ordovician) at surface, covers 0.7 % of this area

Lexington Limestone

Alluvium (Pleistocene to Holocene) at surface, covers 0.4 % of this area

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

Preachersville Member of Drakes Formation and Bull Fork Formation, undivided (Ordovician) at surface, covers < 0.1 % of this area

Preachersville Member of Drakes Formation and Bull Fork Formation, undivided; in Bath and Montgomery Counties