Mine detail: Orndorff, Ralph, Prospect

Previously called ''

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Location

Lat / long:

38.97365, -78.53278

Resource(M)

Primary:	Manganese
Ore:	Psilomelane, Pyrolusite
Gangue:	Chert
Orebody form:	IRREGULAR
Discovery year:	1942

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	New Scotland Limestone;Ridgeley Sandstone
Host type:	Sandstone,Limestone
Structure:	Ne-Sw Trend, Mt. Pleasant Syncline, Normal Fault
Tectonic:	Miogeosyncline

References

MRDS	W032066
DEP	10096561
Reference	{Deposit:: MONROE, W.H., 1942, MANGANESE DEPOSITS OF CEDAR CREEK VALLEY, FREDERICK AND SHENANDOAH COUNTIES, VIRGINIA: USGS BULL 936-E, P. 111-141.}{Deposit:: YOUNG, R.S., AND RADER, E.K., 1974, GEOLOGY OF THE WOODSTOCK, WOLF GAP, CONICVILLE, AND EDINBURG QUADRANGLES, VIRGINIA: VDMR REPT. OF INVESTIGATIONS 35, 69 P.}
Reporter	Trimble, David C. (Sweet, Palmer C.)