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Mineral Resources > Online Spatial Data > Geology > by state > Kentucky Geology

Geologic units in Boyle county, Kentucky

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

Lithology: shale; siltstone; sandstone

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

High Bridge Group

Lithology: limestone; shale; dolostone (dolomite)

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

Lithology: shale; limestone; siltstone

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

Lexington Limestone

Lithology: limestone; shale

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

Lithology: limestone; dolostone (dolomite); shale

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

Lithology: black shale; dolostone (dolomite); limestone

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

Salem, Warsaw, and Harrodsburg Limestones, undivided

Lithology: limestone; fine-grained mixed clastic; dolostone (dolomite)

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

Lithology: limestone; shale; siltstone

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

Lithology: limestone; dolostone (dolomite); shale; sandstone