State | West Virginia |
---|---|
Name | McKenzie Formation and Clinton Group |
Geologic age | Silurian |
Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone (Bed)McKenzie Formation and Clinton Group: the white Keefer Sandstone; and the Rose Hill predominantly red shale, with thin sandstone interbeds, some of which are called "iron sandstones" from their reddish-brown color and hematite content.
Sedimentary > Clastic > Mudstone > Shalethe dark Rochester Shale and the Rose Hill predominantly red shale
Minor
Sedimentary > Carbonate > Limestone (Lens)with thin limestone lenses
|
Comments | Thickness: Northeastern 680-1760 ft, Western 635 ft, Southeastern 215 ft. |
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. |
NGMDB product | |
Counties | Berkeley - Grant - Greenbrier - Hampshire - Hardy - Mercer - Mineral - Monroe - Morgan - Pendleton - Pocahontas |