The Unknown is a iron and copper mine located in Inyo county, California at an elevation of 3,999 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: 3,999 Feet (1,219 Meters)
Commodity: Iron, Copper
Lat, Long: 35.92111, -117.58778
Map: View on Google Maps
Unknown MRDS details
Site Name
Primary: Unknown
Commodity
Primary: Iron
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: California
County: Inyo
District: Argus
Land Status
Land ownership: Military Reservation
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Naval Weapons Center
Home Office: China Lake, Ca.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1930
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Hornblendite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Hornblendite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Covellite
Ore: Bornite
Ore: Hematite
Ore: Malachite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Pyrrhotite
Gangue: Pyrite
Gangue: Clay
Gangue: Limonite
Comments
Comment (Deposit): THERE IS NO SURFACE EXPRESSION OF THE VEIN MATERIAL EXCEPT IN THE WORKINGS. AREA MOSTLY COVERED BY SLOPE WASH
Comment (Commodity): GOLD AND SILVER VALUES MAY BE TIED IN TO COPPER-IRON MINERALOGY
Comment (Workings): WORKINGS CONSIST OF: 1 SHAFT IN VEIN-39'DEEP, 65 DEGREE DIP 5 1/2 'LONG, 5 FEET WIDE 2 SHAFT IN VEIN-CAVED, TOP IS 4 1/2'LONG, 3 1/2'WID E, TOP 2' OF SHAFT EXPOSED 3 10' OF DRIFT ALONG VIEN STRIKE SO. OF 1 S HAFT, DRIFT AVERAGE HEIGHT = 6'
Comment (Deposit): THIS SMALL GROUP OF WORKINGS EXPOSED PARTIAL EXTENT OF A COPPER-IR ON-PRECIOUS METAL-BEARING SHEAR ZONE. CAVED SHAFTS MAY HAVE EXTENDED D EEPER DOWN DIP. APPROXIMATELY 80' OF SHEAR ZONE IS EXPOSED ALONG STRIK E. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
References
Reference (Deposit): W. F. DURBIN, GARY HOBSON - RECONNAISANCE, MAPPING, & SAMPLING COMP LETED 4-14-83
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.
