The Bandarita is a gold mine located in Mariposa county, California at an elevation of 1,650 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: 1,650 Feet (503 Meters)
Commodity: Gold
Lat, Long: 37.69111, -120.03222
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.
Bandarita MRDS details
Site Name
Primary: Bandarita
Secondary: Bandaritta
Secondary: Eclipse
Secondary: Goodwin
Commodity
Primary: Gold
Secondary: Copper
Secondary: Silver
Tertiary: Lead
Tertiary: Antimony
Location
State: California
County: Mariposa
District: Kinsley
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: W. Lee Brown (C/O W. J. Beatty) And Nelson Leoni (C/O Dolores Pharmacy)
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1856
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: PINCH & SWELL
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Galena
Ore: Gold
Ore: Sphalerite
Ore: Tetrahedrite
Gangue: Quartz
Comments
Comment (Workings): A 1364 FT. CROSSCUT ADIT, SIX ADITS DRIVEN ALONG STRIKE OF VEIN, LONGEST OF WHICH IS 800 FT., WHICH TAPS 3 ORE SHOOTS. THE CROSSCUT ADITS TAP THE VEIN 1200 FT. ALONG THE LENGTH.
Comment (Location): NR. CTR. NW 1/4 . UTM EST.
Comment (Commodity): PRESENCE OF TELLURIDE NOT CONFIRMED. THE BEST ORE CONTAINS TETRAHEDRITE.
Comment (Deposit): QUARTZ VEIN, ORE SHOOTS
Comment (Production): DURING THE LAST PERIOD OF ACTIVITY, FROM 1937 - 1940 APPROXIMATELY $40,000 IN AU AND AG WAS OBTAINED FROM 7362 TONS OF ORE. GRADE OF ORE WAS LOWER THAN THAT OF ORE MILLED IN 1856 - 1889 WHEN MOST OF THE TOTAL PRODUCTION OF $1,520,000 OF ORE WAS MINED. CU PRODUCTION 0 - 100,000 LBS.
Comment (Geology): GRANODIORITE DIKES ; GEOL.DESC: MAIN VEIN IS 2 - 10 FT. THICK IN META-SEDIMENTARY RX. 4 GRANODIORITE DIKES STRIKE ROUGHLY NORTH AND INTERSECT VEIN AT RT ANGLES TO IT, WITH THROWS FROM 1 TO 42 FT.
Comment (Deposit): 7 PATENTED CLAIMS, THE BANDARITA NOS. 1 & 2 , LITTLE FORT KNOX AND FORT KNOX NO. 2 ; ALSO 3 PATENTED CLAIMS, THE KINSLEY NO. 1 , 2 AND 3 .
References
Reference (Deposit): JULIHN, C. E., & HORTON, F. W., 1940 , MINERAL RESOURCES SURVEY OF THE US: US BUREAU OF MINES BULL. 424 , P. 141 .
Reference (Production): BOWEN AND GRAY, 1957 .
Reference (Deposit): CLARK, W. B., 1970 , GOLD DISTRICTS OF CALIF.: CDM BULL. 193 , P. 85 .
Reference (Deposit): BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 77 - 78 , 237 .
Reference (Deposit): ERIC, J. H., 1948 , COPPER IN CALIFORNIA, CDM BULL. 144 , PT. 3 , P. 265 .
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.
