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Conococheague Formation

Conococheague Formation - 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.
StateWest Virginia
NameConococheague Formation
Geologic ageCambrian
Original map labelCc
CommentsThickness: Northeastern - Copper Ridge Dolomite 1850 ft, Northeastern - Conococheague 2220 ft, Northeastern - Big Spring Station 220 ft, Southeastern - Copper Ridge Dolomite 1000 ft (estimate only).
Primary rock typelimestone
Secondary rock typedolostone (dolomite)
Other rock typesorthoquartzite
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)predominantly algal and mechanically deposited limestone, with interbeds of aphanitic limestone and dolomite
Minor
Metamorphic > Metasedimentary > Metaclastic > Quartzite (Bed)Big 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.
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.
Geographic coverageBerkeley - Jefferson

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=WVCAc;0
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