Mine detail: Roark Mine

Previously called 'Graphite Claim'

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Location

Lat / long:

32.66701, -115.96749

Resource(B)

Primary:	Tungsten
Secondary:	Garnet
Ore:	Garnet, Scheelite
Gangue:	Quartz
Orebody form:	LENS

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer

Geology

Host type:	Limestone
Associated type:	Tonalite

References

MRDS	M022594
DEP	10035295
Reference	{Deposit:: MORTON, P. K., 1977, GEOLOGY AND MINERAL RESOURCES IMPERIAL COUNTY; COUNTY REPT. 7, DIV. OF MINES. P. 96.}{Deposit:: TODD, V.R., KILBURN, J.E., DETRA, D.E., GRISCOM, ANDREW, KRUSE, F.A., AND MCHUGH, E.L., 1987, MINERAL RESOURCES OF THE JACUMBA (IN-KO-PAH) WILDERNESS STUDY AREA, IMPERIAL COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY BULL. 1711-D, 15 P.}{Other Database:: CIMRI}
Reporter	Fraticelli, L. A. (Albers, J.), Gray, Floyd