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

Geologic units in Hardin county, Kentucky

Alluvium (Pleistocene to Holocene) at surface, covers 5 % of this area

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

Lithology: sand; silt; glacial drift

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 4 % 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

Rocks of Chesterian age, lower part (Upper Mississippian) at surface, covers 21 % of this area

Rocks of Chesterian age, lower part

Lithology: limestone; sandstone; siltstone; shale

Sandstone member of the Mooretown Formation (Mississippian) at surface, covers 0.6 % of this area

Sandstone member of the Mooretown Formation

Lithology: sandstone

Ste. Genevieve and St. Louis Limestones, undivided (Mississippian) at surface, covers 58 % of this area

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

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

Borden Group (Mississippian) at surface, covers < 0.1 % of this area

Borden Group - Mostly siltstone; lenses of crinodial limestone in upper part. Much cherty and silty limestone and dolomite in northwest. NP, top of New Providence Shale

Lithology: siltstone; limestone; dolostone (dolomite); chert

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 9 % of this area

Salem, Warsaw, and Harrodsburg Limestones, undivided

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

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers < 0.1 % of this area

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

Lithology: black shale; dolostone (dolomite); limestone

Glacial deposits, undifferentiated (Pleistocene to Holocene) at surface, covers < 0.1 % of this area

Glacial deposits, undifferentiated; shown locally

Lithology: glacial drift

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 2 % of this area

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

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