Trenton Group (WVOt;0)

Trenton Group

Dark, crystalline, nodular, and argillaceous limestones, with some metabentonite streaks. Includes the Nealmont, Oranda, Edinburg, and the upper part of the Chambersburg Limestones of northeastern West Virginia; also the Moccasin and Eggleston Formation of Mercer and Monroe Counties.

State	West Virginia
Name	Trenton Group
Geologic age	Ordovician
Lithologic constituents	Major Sedimentary > Carbonate > Limestonedark, crystalline, nodular, and argillaceous limestones Incidental Sedimentary > Clastic > Mudstone > Claystone > Bentonitesome metabentonite streaks
Comments	Thickness: Northeastern 470-660 ft, Western 635 ft, Southeastern 450 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	NGMDB product page for 13205
Counties	Pendleton

Trenton Group

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.