Pocono Group

Predominantly hard gray massive sandstones, with some shale. In the Eastern Panhandle, has been divided into the Hedges, Purslane, and Rockwell Formations.
State West Virginia
Name Pocono Group
Geologic age Mississippian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Mudstone > Shale
Comments Pocono Group thickness: Northeastern 570-1030 ft, Western 525 ft, Southeastern 350-900 ft Formation thicknesses: Hedges Shale in Northeastern 180 ft, Purslane sandstone in Northeastern 250 ft, Rockwell Formation in Northeastern 600 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 Barbour - Berkeley - Grant - Greenbrier - Hampshire - Hardy - Mineral - Monongalia - Monroe - Morgan - Pendleton - Pocahontas - Preston - Randolph - Tucker