Fresno

The Fresno is a copper mine located in Fresno county, California at an elevation of 459 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: Fresno  

State:  California

County:  Fresno

Elevation: 459 Feet (140 Meters)

Commodity: Copper

Lat, Long: 36.98667, -119.65722

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 Fresno

Fresno MRDS details

Site Name

Primary: Fresno
Secondary: Heiskell


Commodity

Primary: Copper
Secondary: Gold
Secondary: Silver
Secondary: Lead
Secondary: Zinc


Location

State: California
County: Fresno


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: L


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: 1.26 % - 1.33 % CU


Materials

Ore: Pyrite
Ore: Galena
Ore: Gold
Ore: Silver
Ore: Chalcopyrite
Ore: Pyrrhotite
Ore: Sphalerite


Comments

Comment (Deposit): SMALL STREAKS OF CHALCOPYRITE APPEARED IN LOWER WORKINGS.

Comment (Commodity): LOW GRADE ORE

Comment (Production): LEAD AND ZINC PRODUCTION NOT KNOWN.

Comment (Workings): MAIN SHAFT 530 FT., DRIFTS ON 200 AND 300 FT. LEVELS. MAIN ORE BODY OCCURED BETWEEN THESE LEVELS, ON 300 FT. LEVEL IS A CROSS VEIN 2 - 4 FT. WIDE.

Comment (Geology): GEOL.DESC: ( MAC DONALD, 1941 ) STATES THAT THE AMPHIBOLITE IN THE VICINITY OF THE ORE BODIES ARE VERY-COARSE GRAINED - MUCH COARSER THAN ANYWHERE ELSE WITHIN THE FOOTHILL COPPER BELT BETWEEN THE KINGS AND SAN JOAQUIN RIVERS.

Comment (Deposit): COMPRISED OF 4032 ACRES


References

Reference (Deposit): GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 57 , NOS 3 AND 4 , P. 446

Reference (Deposit): LOGAN, C.A., ETAL, 1951 ; MINES AND MINERAL RESOURCES OF FRESNO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, VOL. 47 , NO. 3 ; DIV. OF MINES, P. 501 - 502 .

Reference (Production): GOODWIN, J.G., 1957 , P. 446


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