The Granite Coos is a tungsten mine located in Mono county, California at an elevation of 7,402 feet.
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.
Mine Info
Elevation: 7,402 Feet (2,256 Meters)
Commodity: Tungsten
Lat, Long: 37.65921, -118.54197
Map: View on Google Maps
Satelite View
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.
Granite Coos MRDS details
Site Name
Primary: Granite Coos
Commodity
Primary: Tungsten
Location
State: California
County: Mono
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): ABOUT 8000 TONS PROBABLE ORE IN SIGHT; MIGHT BE ANOTHER 20,000 TONS.
Comment (Workings): 3 SHORT AIDTS, OPEN PIT, SHALLOW INCLINED SHAFT; WORKINGS MOSTLY CAVED.
Comment (Geology): GEOL.DESC: INCLUSION OF CALCAREOUS ROCKS AND SERICITE HORNFELS IN ALASKITE. BEDS STRIKE N. 20 DEG. W. AND DIP 25? NE. ORE ZONE ABOUT 70' WIDE ON SURFACE WITH STRATIGRAPHIC THICKNESS OF 35'; ORE CONSISTS OF OXIDIZED, CLAYEY, YELLOW MASSES CONTAINING FINELY DIVIDED SCHEELITE.
References
Reference (Deposit): CALIF. SP. REPT. 48, P. 8 AND PL. 1
Reference (Deposit): B. 725, P. 276-7; ADD. REF.: CALIF. V. 38, NOS. 3 AND 4, P. 339; GQ-99
Reference (Deposit): USGS B. 922-S, P. 591-2
California Gold
"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: Where to Find Gold in California.
