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Mineral Resources > Online Spatial Data > Geology > by state > West Virginia

Black River Group

Black River Group - predominantly gray aphanitic limestones, with many bioclastic streaks; siliceous in the lower part.
StateWest Virginia
NameBlack River Group
Geologic ageOrdovician
Original map labelObr
CommentsThickness: Northeastern 350 ft, Western 255 ft, Southeastern 215 ft.
Primary rock typelimestone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestonepredominantly gray aphanitic limestones, with many bioclastic streaks; siliceous in the lower part.
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 coveragePendleton

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