| State | Kentucky |
|---|---|
| Name | Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided |
| Geologic age | Mississippian |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestonelithologies and lithology percentages estimated from stratigraphic column on paper source map; limestone and cherty limestone in western Kentucky; clastic limestone in east-central Kentucky are estimated to be about 50% of unit
Sedimentary > Carbonate > Dolostonelithologies and lithology percentages estimated from stratigraphic column on paper source map; silty dolomite is estimated at 35% of unit
Minor
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; shale (in western and south-central Kentucky) is estimated to be about 10% of unit
Incidental
Sedimentary > Clastic > Sandstone (Calcareous)lithologies and lithology percentages estimated from stratigraphic column on paper source map; calcareous sandstone and bedded chert are estimated to be about 5% of unit
|
| Comments | Renfro member (east-central Kentucky ) is 0-35 m thick; Muldraugh member (west-central Kentucky) is 5-90 m thick; the Fort Payne Formation in south-central Kentucky is 45-90 m thick and in western Kentucky it is 133-230 m thick |
| 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 | Adair - Allen - Barren - Boyle - Bullitt - Calloway - Casey - Clinton - Cumberland - Garrard - Green - Hardin - Hart - Jackson - Jefferson - Larue - Lincoln - Livingston - Lyon - Madison - Marion - Marshall - Meade - Metcalfe - Monroe - Nelson - Pulaski - Rockcastle - Russell - Taylor - Trigg - Warren - Wayne |