Geologic units in Marion county, Kentucky

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 26 % of this area

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

Drakes Formation (Ordovician) at surface, covers 17 % of this area

Drakes Formation

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

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided (Ordovician) at surface, covers 12 % of this area

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

Drakes Formation and Grant Lake and Calloway Creek Limestones, undivided (Ordovician) at surface, covers 9 % of this area

Drakes Formation and Grant Lake and Calloway Creek Limestones, undivided; in Boyle, Casey, and Marion Counties

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided (Silurian) at surface, covers 6 % of this area

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 5 % of this area

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided

Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 5 % of this area

Garrard Siltstone and Kope and Clays Ferry Formations, undivided

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 4 % of this area

Salem, Warsaw, and Harrodsburg Limestones, undivided

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

Ste. Genevieve and St. Louis Limestones, undivided (Mississippian) at surface, covers 0.4 % of this area

Ste. Genevieve and St. Louis Limestones, undivided; includes Salem Limestone west of Christian County