The Un-Named Shaft is a copper mine located in Inyo county, California at an elevation of 5,791 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: 5,791 Feet (1,765 Meters)
Commodity: Copper
Lat, Long: 35.98917, -117.50417
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.
Un-Named Shaft MRDS details
Site Name
Primary: Un-Named Shaft
Commodity
Primary: Copper
Secondary: Iron
Tertiary: Silica
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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, PINCH & SWELL
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Chrysocolla
Gangue: Quartz
Gangue: Limonite
Comments
Comment (Deposit): QUARTZ VEIN 2 TO 2 1/2' WIDE AT SURFACE. IT IS PART OF A SHEAR ZONE WHICH IS EXPOSED HANGING WALL TO FOOTWALL. QUARTZ VEIN PINCHES DOWN TO NOTHING AT 54' DOWN
Comment (Workings): THE SHAFT WAS DRIVEN DOWN THE DIP OF QUARTZ VEIN-SHEAR ZONE. VEIN PINCHED DOWN TO NOTHING AT 54'. BELOW PINCH-OUT, WORKINGS WERE SHALLOWED.
Comment (Deposit): THIS SHAFT WAS DRIVEN TO EXPLORE A COPPER AND IRON BEARING QUARTZ VEIN IN A SEVERELY ALTERED SHEAR ZONE. IT WAS FOLLOWED DOWN DIP 54 FEET BEFORE PINCHING OUT. SHAFT DIP FLATTENED BELOW 54' TO TRY TO PICK UP FURTHER VEIN EXTENT BUT TO NO AVAIL. ; INFO.SRC : 3 FIELD OBSERV
Comment (Geology): HOST ROCK IN VICINITY OF SHAFT IS SEVERELY ALTERED, CHLORITIZED AND SLICKENSIDED
References
Reference (Deposit): W.F. DUBRIN, G. HOBSON-RECON. MAPPING & SAMPLING COMPLETED 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.
