Bandarita

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

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.

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.