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Conococheague Formation

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Predominantly algal and mechanically deposited limestone, with interbeds of aphanitic limestone and dolomite. Contains siliceous and dolomitic laminations. Resistant sandy Big Spring Station Member near the base.
State West Virginia
Name Conococheague Formation
Geologic age Cambrian
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)predominantly algal and mechanically deposited limestone, with interbeds of aphanitic limestone and dolomite
Minor
Metamorphic > Metasedimentary > Metaclastic > QuartziteBig Sandy Station member near base (dolomite-orthoquartzite)
Sedimentary > Carbonate > Dolostone (Bed)predominantly algal and mechanically deposited limestone, with interbeds of aphanitic limestone and dolomite; contains siliceous and dolomitic laminations.
Comments Thickness: Northeastern - Copper Ridge Dolomite 1850 ft, Northeastern - Conococheague 2220 ft, Northeastern - Big Spring Station 220 ft, Southeastern - Copper Ridge Dolomite 1000 ft (estimate only).
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 - Jefferson