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Bandarita

Past Producer in Mariposa county in California, United States with commodities Gold, Silver, Copper, Lead, Antimony
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10031076
MRDS ID M009657
Record type Site
Current site name Bandarita
Alternate or previous names Bandaritta, Eclipse, Goodwin

Geographic coordinates

Geographic coordinates: -120.03321, 37.69103 (WGS84)
Elevation 503
Relative position 11 MI. E OF COULTERVILLE.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buckhorn Peak(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Stanislaus National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 018E 07 California

Comments on the location information

  • NR. CTR. NW 1/4 . UTM EST.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Tertiary
Antimony Critical Tertiary

Comments on the commodity information

  • PRESENCE OF TELLURIDE NOT CONFIRMED. THE BEST ORE CONTAINS TETRAHEDRITE.

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -120.03321, 37.69103
ListMap

Economic information

Ore body information

  • General form PINCH & SWELL
    Strike N 84 W
    Dip 47 S
    Thickness 3.05M

Comments on the geologic information

  • 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.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1856
Production years 1856 - 1889 , 1937 - 1940

Mining district

District name Kinsley

Ownership information

  • Type Operator
    Owner W. Lee Brown (C/O W. J. Beatty) And Nelson Leoni (C/O Dolores Pharmacy)

Comments on the production information

  • 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.

Workings at the site

  • Type of workings Underground
    Overall depth 259.08M

Comments on the workings information

  • 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.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., 1970 , GOLD DISTRICTS OF CALIF.: CDM BULL. 193 , P. 85 .

  • 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 .

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA, CDM BULL. 144 , PT. 3 , P. 265 .

  • Deposit

    JULIHN, C. E., & HORTON, F. W., 1940 , MINERAL RESOURCES SURVEY OF THE US: US BUREAU OF MINES BULL. 424 , P. 141 .

  • Production

    BOWEN AND GRAY, 1957 .

General comments

Subject category Comment text
Deposit QUARTZ VEIN, ORE SHOOTS
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 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1978 Hayden, F. (Albers, J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.