Copper Basin

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

Name: Copper Basin  

State:  California

County:  San Bernardino

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.


Satelite image of the Copper Basin

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.)


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