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  3. Mineral Resource Data System (MRDS)

Bruzza

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 10029225
MRDS ID M006642
Record type Site
Current site name Bruzza
Alternate or previous names Brazza
Related records 10114743

Geographic coordinates

Geographic coordinates: -120.52573, 38.1513 (WGS84)
Elevation 488
Relative position BY PONDEROSA WAY0.5 MI S OF ESMERALDA

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calaveritas(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(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 004N 013E 34 California

Comments on the location information

  • UTM EST S1/2

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • POCKETS OF COARSE GOLD IN QUARTZ AND GOUGE

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.52573, 38.1513
ListMap

Economic information

Ore body information

  • Strike NW
    Dip SE
    Thickness 0.3M

Comments on the geologic information

  • DIKE, DECAYED AT SURFACE, UNDER DIKE IS 12 IN OF GOUGE - LIKE MATERIAL WITH A SEAM OF QUARTZ, USUALLY NEST TO DIKE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • ACTIVE AROUND 1896

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 21.34M

Comments on the workings information

  • DEVELOPED BY SHAFT AND SEVERAL OPEN CUTS MADE ALONG DIKE. 70 FT DRIFT OFF SHAFT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 36 , 140 AND PL B

  • Deposit

    KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, COUNTY OF CALAVERAS, CALIF.: CALIF. MIN. BUR.

  • Production

    CLARK ( 1932 )

General comments

Subject category Comment text
Deposit VEIN, DIKE DECAYED AT SURFACE WITH 12 IN OF GOUGE-LIKE MATERIAL UNDER IT, A SEAM OF QUARTZ IS USUALLY NEXT TO VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 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.

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.