Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > West Virginia
|Name||Brallier Formation and Harrell Shale, undivided|
|Original map label||Dbh|
|Comments||Printed map has no indiviual description for this unit and no name, but has individual symbol and color. Only uses brackets to combine Db and Dh. Dbh is used in digital map, so combined Db and Dh together and called this the "Brallier Formation and Harrell Shale, undivided". Combined thickness: Northeastern 1300-2470 ft, Western 1410 ft, Southeastern 450-1700 ft|
|Primary rock type||shale|
|Secondary rock type||siltstone|
|Other rock types||sandstone; limestone|
Sedimentary > Clastic > SiltstoneBrallier Formation : with considerable siltstone and thin sandstone lenses; mainly nonfossiliferous.
Sedimentary > Clastic > Mudstone > ShaleBrallier Formation : predominantly olive-gray to dark, thickly laminated marine shale; Harrell Shale: dark gray to black thinly laminated to fissile shale. Calcareous shale and limestone lenses near the base (Tully).
Sedimentary > Clastic > Sandstone (Lense)Brallier Formation : with considerable siltstone and thin sandstone lenses; mainly nonfossiliferous.
Sedimentary > Carbonate > Limestone (Lense)Harrell Shale: Calcareous shale and limestone lenses near the base (Tully).
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.
|Geographic coverage||Berkeley - Grant - Hampshire - Hardy - Mineral - Morgan - Pendleton|
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