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Pocono Group

Pocono Group - predominantly hard gray massive sandstones, with some shale. In the Eastern Panhandle, has been divided into the Hedges, Purslane, and Rockwell Formations.
StateWest Virginia
NamePocono Group
Geologic ageMississippian
Original map labelMp
CommentsPocono 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.
Primary rock typesandstone
Secondary rock typeshale
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Mudstone > Shale
Map references
Digital version of 1968 printed map available from http://wvgis.wvu.edu/data/data.php with the specific data available from http://wvgis.wvu.edu/data/dataset.php?action=search&ID=43
Unit 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.
Geographic coverageBarbour - Berkeley - Grant - Greenbrier - Hampshire - Hardy - Mineral - Monongalia - Monroe - Morgan - Pendleton - Pocahontas - Preston - Randolph - Tucker

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