Geologic units in Boyle county, Kentucky

Lexington Limestone (Ordovician) at surface, covers 37 % of this area

Lexington Limestone

Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 23 % of this area

Garrard Siltstone and Kope and Clays Ferry Formations, 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 13 % 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

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 10 % of this area

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

High Bridge Group (Ordovician) at surface, covers 5 % of this area

High Bridge Group

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided (Ordovician) at surface, covers 4 % 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 3 % of this area

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

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 3 % of this area

Salem, Warsaw, and Harrodsburg Limestones, undivided

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 3 % of this area

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