| State | West Virginia |
|---|---|
| Name | Beekmantown or Lower Ordovician Group |
| Geologic age | Ordovician |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Minor
Sedimentary > Chemical > Chert (Bed)Various units produce much chert on outcrop
|
| Comments | Consists of units: Pinesburg Station Dolomite, Rockdale Run Formation, and Stonehenge Limestone. Combined thickness: 3800-4200 ft, Western 980 ft, Southeastern 1300 ft. |
| References | Cardwell, D.H., Erwin, R.B., and Woodward, H.P., 1968 (slightly revised 1986), Geologic Map of West Virginia: West Virginia Geological and Economic Survey, Map 1, East Sheet, scale 1:250,000. |
| NGMDB product | |
| Counties | Berkeley - Mercer - Monroe |