| State | West Virginia |
|---|---|
| Name | Brallier Formation |
| Geologic age | Devonian |
| Lithologic constituents |
Major
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Mudstone > Shalepredominantly olive-gray to dark, thickly laminated marine shale
Minor
Sedimentary > Clastic > Sandstone (Lens)
|
| Comments | Thickness: Northeastern 1300-2170 ft, Western 1105 ft, Southeastern 400-1600 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 - Grant - Greenbrier - Hampshire - Hardy - Monroe - Pendleton - Pocahontas - Randolph |