Skip to main content

Tonoloway, Wills Creek, and Williamsport Formations

Tonoloway, Wills Creek, and Williamsport Formations - includes the thin-bedded platy argillaceous limestones of the Tonoloway, the thin-bedded shale with fossiliferous limestones of the Wills Creek, the Bloomsburg red clastic facies, and the greenish-brown to white Williamsport Sandstone. The Wills Creek contains anhydrite and rock salt, the latter supplying brine from deep wells along the Ohio River.
State West Virginia
Name Tonoloway, Wills Creek, and Williamsport Formations
Geologic age Silurian
Comments Thickness: Northeastern 1010-1075 ft, Western 865 ft, Southeastern 140-365 ft
Primary rock type limestone
Secondary rock type shale
Other rock types sandstone; clastic; chemical
Lithologic constituents
Incidental
Sedimentary > Chemical > Evaporite > AnhydriteThe Wills Creek contains anhydrite and rock salt, the latter supplying brine from deep wells along the Ohio River.
Sedimentary > Chemical > Evaporite > SaltThe Wills Creek contains anhydrite and rock salt, the latter supplying brine from deep wells along the Ohio River.
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 - Grant - Greenbrier - Hampshire - Hardy - Mineral - Morgan - Pendleton - Pocahontas