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

Geologic units in Jefferson county, Kentucky

Drakes Formation (Ordovician) at surface, covers 15 % of this area

Drakes Formation

Lithology: dolostone (dolomite); shale; limestone

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 0.5 % 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 5 % of this area

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

Lithology: black shale; dolostone (dolomite); limestone

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 0.4 % of this area

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

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

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

New Albany Shale (Devonian-Mississippian) at surface, covers < 0.1 % of this area

New Albany Shale - Black and greenish-gray shale

Lithology: black shale; shale

Glacial deposits, undifferentiated (Pleistocene to Holocene) at surface, covers 20 % of this area

Glacial deposits, undifferentiated; shown locally

Lithology: glacial drift

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided (Silurian) at surface, covers 7 % of this area

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided

Lithology: dolostone (dolomite); shale

Muscatatuck Group (Devonian) at surface, covers < 0.1 % of this area

Muscatatuck Group - Limestone and dolomite

Lithology: limestone; dolostone (dolomite)

Sellersburg and Jeffersonville Limestones, undivided (Lower to Middle Devonian) at surface, covers 13 % of this area

Sellersburg and Jeffersonville Limestones, undivided; in Jefferson and Oldham Counties

Lithology: limestone

Louisville Limestone and Waldron Shale, undivided (Silurian) at surface, covers 21 % of this area

Louisville Limestone and Waldron Shale, undivided

Lithology: limestone; shale; dolostone (dolomite)

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 8 % 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

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

Louisville Limestone through Brassfield Limestone (Silurian) at surface, covers < 0.1 % of this area

Louisville Limestone through Brassfield Limestone - Sexton Creek Limestone at base in Kentland area and on cross-section

Lithology: limestone

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