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Monongahela Group

Monongahela Group - non-marine cyclic sequences of sandstone, siltstone, red and gray shale, limestone, and coal. Contains the Uniontown and Pittsburgh Formations. Extends from the top of the Waynesburg coal to the base of the Pittsburgh coal. Includes the Waynesburg, Uniontown, Sewickley, Redstone and Pittsburgh coals. Thickness is 170 feet in Mineral and Grant Counties.
StateWest Virginia
NameMonongahela Group
Geologic agePennsylvanian
Original map labelPnm
CommentsThickness: Northeastern 170 ft, Western 300 ft
Primary rock typesandstone
Secondary rock typesiltstone
Other rock typesshale; limestone; coal
Lithologic constituents
Minor
Sedimentary > Coal
Sedimentary > Carbonate > Limestone
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 - Braxton - Brooke - Cabell - Calhoun - Clay - Doddridge - Gilmer - Hancock - Harrison - Kanawha - Lewis - Lincoln - Marion - Marshall - Mason - Mineral - Monongalia - Ohio - Preston - Putnam - Ritchie - Roane - Taylor - Tyler - Upshur - Wayne - Wetzel - Wirt - Wood

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