Mineral Resources On-Line Spatial Data
|Name||Oriskany Sandstone and Huntersville Chert|
|Original map label||Do|
|Comments||Only named Oriskany Sandstone on printed map, but Huntersville Chert description says it is included and mapped with Oriskany Sandstone (Do). Thickness: Northeastern - Oriskany Sandstone 12-275 ft, Western - Huntersville Chert 285 ft, Western - Oriskany Sandstone 75 ft, Southeastern - Huntersville Chert 75 ft.|
|Primary rock type||sandstone|
|Secondary rock type||chert|
|Other rock types||limestone|
Sedimentary > Clastic > SandstoneOriskany Sandstone: White to brown coarse- to fine-grained, partly calcareous sandstone, locally pebbly or conglomeratic, and ridge-forming. May be white, nearly pure silica, and a source of glass sand, as at Berkeley Springs, Morgan County. Huntersville Chert: contains the "glauconitic" Bobs Ridge Sandstone Member
Sedimentary > Chemical > ChertHuntersville Chert (part of Onesquethaw ("Onondaga") Group): ranges from a nearly pure slightly calcitic or dolomitic chert to an inter-tonguing of such chert and the Needmore Shale.
Sedimentary > Carbonate > LimestoneHuntersville Chert (part of Onesquethaw ("Onondaga") Group): grades westward in the subsurface to a limestone, commonly considered as "Onondaga".
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
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.
|Counties||Grant - Greenbrier - Hampshire - Hardy - Mineral - Monroe - Pendleton - Pocahontas|
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