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Bolitha

Past Producer in Calaveras county in California, United States with commodity Gold
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10028959
MRDS ID M006251
Record type Site
Current site name Bolitha
Alternate or previous names Bolitho, Hardyclaims: Toppiana, Figaro
Related records 10114592

Geographic coordinates

Geographic coordinates: -120.53128, 38.05324 (WGS84)
Elevation 427
Relative position 1 MI SE OF ANGELS CAMP

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 013E 03 California

Comments on the location information

  • UTM EST NW 1/4 SE 1/4 SEC

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • AURIFEROUS FE-SULFIDES

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.53128, 38.05324
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 60 NE
    Thickness 12.19M

Comments on the geologic information

  • GEOL.DESC: THERE ARE NUMEROUS QUARTZ VEINS IN A ORE CHANNEL 30 - 40 FT THICK WHICH INCLUDES MAGNESIAM SCHISTS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1894 - 1900

Comments on the production information

  • ACTIVE PRIOR TO 1894 , CONSIDERABLE GOLD REMOVED FROM POCKETS NO PRODUCTION RECORDS FOUND

Workings at the site

  • Type of workings Underground
    Overall depth 91.44M

Comments on the workings information

  • PATENTED CLAIM DEVELOPED BY 300 AND 200 FT SHAFTS TWO ADITS, AND SEVERAL THOUSAND FEET OF DRIFTS AND CROSSCUTS

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF; COUNTY REPT. 2 ; CALIF. DIV. OF MINES AND GEOL, P. 34 - 35 , 140 AND PL 3

  • Deposit

    LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 299

  • Production

    CLARK ( 1962 )

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 Mateik, R.; Albers, John P. 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.