| State | Kentucky |
|---|---|
| Name | Preachersville Member of Drakes Formation and Bull Fork Formation, undivided |
| Geologic age | Ordovician |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 70% limestone, 10% dolostone (dolomite), and 20% shale
Minor
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 70% limestone, 10% dolostone (dolomite), and 20% interbedded shale
Sedimentary > Carbonate > Dolostonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 70% limestone, 10% dolostone (dolomite), and 20% shale
|
| Comments | in northeastern Kentucky; the Preachersville member is 6-25 m thick, and the Bull Fork is 3-65 m thick; in east-central Kentucky, the Preachersville is 0-30 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 | Bath - Fleming - Montgomery |