The Copper Basin is a copper mine located in San Bernardino county, California at an elevation of 1,250 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: 1,250 Feet (381 Meters)
Commodity: Copper
Lat, Long: 34.29417, -114.25500
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.
Copper Basin MRDS details
Site Name
Primary: Copper Basin
Commodity
Primary: Copper
Secondary: Silver
Location
State: California
County: San Bernardino
District: Monumental
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Year: 1943
Material type: ORE
Description: Ap_Grade: ^3.27 % Cu
Year: 1930
Material type: ORE
Description: Ap_Grade: ^12.14 % Cu
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Fault; 400 Ft. South Of Inclined Shaft, Fault Intersects Veins, Displacing Them 50 - 100 Ft. To The East. Fault Strikes N 70 E, Dips 70 N.
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: 3 - 12 % CU
Materials
Ore: Copper
Ore: Chalcopyrite
Ore: Bornite
Comments
Comment (Deposit): TWO MINERALIZATION ZONES OCCUR, EASTERLY ZONE HAS THICKNESS OF 5 - 40 FT., WESTERLY ZONE HAS THICKNESS OF 5 - 20 FT. WELL DEFINED 50 - 100 FT. WIDE ZONE OF MINERALIZATION WHERE FAULT INTERSECTS VEINS.
Comment (Geology): GEOL.DESC: REGION AT ONE TIME COVERED BY BASALT FLOW, IT HAS SINCE BEEN ERODED. UNDERLYING THE BASALT ARE RHYOLITE, QUARTZ - PORPHYRY AND DIORITE, THE LATTER TWO OCCUR IN WIDE DIKES WHICH COVER ENTIRE SURFACE OF CLAIMS. DIKES STRIKE NORTH, DIP VERTICALLY TO 45 E.
Comment (Production): ORE SHIPPED FROM NO. 6 ASSAYED 12 % CU, NO. 4 ORE ASSAYED 5.2 % CU.
Comment (Workings): 100 FT. VERTICAL SHAFT, INCLINED SHAFT ON COPPER BASIN NO. 4 ; INCLINED SHAFT TO DEPTH OF 300 FT., DRIFT AT 90 FT. DRIVEN SOUTH FOR 95 FT. COPPER BASIN NO. 6 ; VERTICAL SHAFT 100 FT. DEEP.
References
Reference (Deposit): TUCKER, W. B. AND SAMPSON, R. J., 1943 , MINERAL RESOURCES, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 39 , NO. 4 ; DIV. OF MINES, P. 431 - 432
Reference (Production): TUCKER, W. B., 1943 , P. 431 - 432 (SEE REF.)
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.
