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
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.
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
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.
