Harrell Shale

(part of Millboro Shale) - dark gray to black thinly laminated to fissile shale. Calcareous shale and limestone lenses near the base (Tully).
State West Virginia
Name Harrell Shale
Geologic age Devonian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Calcareous)dark gray to black thinly laminated to fissile shale. Calcareous shale near the base (Tully).
Minor
Sedimentary > Carbonate > Limestone (Lens)limestone lenses near the base (Tully).
Comments Thickness: Northeastern 0-300 ft, Western 305 ft, Southeastern 50-100 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 Grant - Hampshire - Hardy - Monroe - Pendleton - Randolph