The Roark Mine is a tungsten mine located in Imperial county, California.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Lat, Long: 32.66694, -115.96667
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Roark Mine MRDS details
Primary: Roark Mine
Secondary: Graphite Claim
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
General Physiographic Area: Pacific Mountain System
Physiographic Province: Lower California
Mineral Deposit Model
Model Name: W skarn
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data: CHIP SAMPLE CONTAINS 0.07% WO3, GRAB SAMPLE CONTAINS 0.29% WO3.
Comment (Location): IN THE JACUMBA WILDERNESS.
Comment (Workings): EXPLORED BY 30 FT. VERTICAL SHAFT, 80 FT. OF HORIZONTAL WORKING AT 30 FT. LEVEL, 2 PITS SE OF SHAFT.
Comment (Deposit): WEAKLY SILICATED ZONE, LATERAL EXTENT OF ZONE NOT DETERMINED: MINERALIZATION IS OCCURRS INTERMITTENT. DISSEMINATED SCHEELITE OCCURS IN SILICATED ZONE OF LIMESTONE LENS AND IN QUARTZ-GARNET SKARN ZONE 600 FT SE.
Comment (Geology): FOOTWALL IS A 5-10 FT WIDE DIKE OF ACIDIC COMPOSITION, HANGING WALL IS SCHIST. LIMESTONE LENS IS AT LEAST 25 FT THICK, STRIKES N60W, DIPS 55SW. ; GEOL.DESC: FOOTWALL IS A 5 - 10 FT. WIDE DIKE OF ACIDIC COMPOSITION, HANGING WALL IS SCHIST.
Reference (Deposit): MORTON, P. K., 1977, GEOLOGY AND MINERAL RESOURCES IMPERIAL COUNTY; COUNTY REPT. 7, DIV. OF MINES. P. 96.
Reference (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.
Reference (Other Database): CIMRI
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more at Where to Find Gold in California.