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St. Paul Group

St. Paul Group - includes the New Market and Row Park Limestones. Predominantly medium-gray aphanitic limestone, containing very low-silica, cream-colored member of considerable economic importance. Chert nodules and dolomite occur in the Row Park.
State West Virginia
Name St. Paul Group
Geologic age Ordovician
Comments Thickness: Northeastern 335-340 ft, Western 550 ft, Southeastern 310 ft.
Primary rock type limestone
Secondary rock type chert
Other rock types dolostone (dolomite)
Lithologic constituents
Major
Sedimentary > Carbonate > LimestonePredominantly medium-gray aphanitic limestone, containing very low-silica, cream-colored member of considerable economic importance.
Incidental
Sedimentary > Chemical > ChertChert nodules and dolomite occur in the Row Park.
Sedimentary > Carbonate > DolostoneChert nodules and dolomite occur in the Row Park.
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.
Counties Berkeley - Mercer - Monroe - Pendleton