| State | Kentucky |
|---|---|
| Name | Rocks of Chesterian age, lower part |
| Geologic age | Upper Mississippian |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestonelithologies and lithology percentages estimated from stratigraphic column on paper source map; limestone is estimated to be about 40% of unit
Sedimentary > Clastic > Sandstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; sandstone is estimated to be about 40% of unit
Minor
Sedimentary > Clastic > Siltstonelithologies and lithology percentages estimated from stratigraphic column on paper source map; siltstone is estimated to be about 15 % of unit
Incidental
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; shale is estimated to be about 5% of unit
|
| Comments | in western Kentucky thickness ranges from 97-282 m; in west-central Kentucky, thickness ranges from 0-165 m |
| Stratigraphic units | In west-central Kentucky, includes the Golconda Formation (including the Haney Limestone Member, Big Clifty Sandstone Member, and the Beech Creek Limestone Member), Girkin Limestone (including the Elwren Sandstone of Malott (1919), Reelsville Limestone, Sample Sandstone, and the Beaver Bend and Paoli Limestones), Glen Dean Limestone and Hardinsburg Sandstone; in western Kentucky, this unit includes the Glen Dean Limestone, Hardinsburg Sandstone, Golconda Formation, Cypress Sandstone, Paint Creek Limestone, Bethel Sandstone, and Renault Limestone |
| References | Noger, M.C., compiler, 1988, Geologic map of Kentucky: sesquicenntennial edition of the Kentucky Geological Survey: U.S. Geological Survey and the Kentucky Geological Survey, scale 1:500,000. |
| NGMDB product | |
| Counties | Barren - Breckinridge - Butler - Caldwell - Christian - Crittenden - Edmonson - Grayson - Green - Hardin - Hart - Larue - Livingston - Logan - Meade - Metcalfe - Ohio - Simpson - Todd - Trigg - Warren |