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  3. Mineral Resource Data System (MRDS)

Alameda

Past Producer in Mariposa 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 10029200
MRDS ID M006605
Record type Site
Current site name Alameda

Geographic coordinates

Geographic coordinates: -120.50434, 38.19074 (WGS84)
Elevation 488
Relative position 1 1/2 MI. NE OF FRICOT RANCH SCHOOL

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 Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 013E 23 California

Commodities

Commodity Importance
Gold Primary

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) -120.50434, 38.19074
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NE
    Thickness 1.22M
    Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: 1 - 4 FT. QUARTZ VEIN IN BLACK SLATE

Economic information about the deposit and operations

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

Comments on the production information

  • FREE MILLING ORE WHICH WAS WORKED IN A ARRASTRA

Workings at the site

  • Type of workings Underground
    Length 35.05M
    Overall depth 22.86M

Comments on the workings information

  • A 115 FT. DRIFT ADIT HAS BEEN DRIVEN INTO VEIN

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. 32 , 134 AND PL. B

  • Deposit

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

  • Deposit

    CRAWFORD, J.J., 1896 , CALAVERAS COUNTY: 13 TH REPT. STATE MIN.; CALIF. MIN. BUR. P. 96

  • Production

    CRAWFORD 1896

General comments

Subject category Comment text
Deposit VEIN, 1 - 4 FT THICK QTZ VEIN IN BLACK SLATE
Deposit UNPATENTED CLAIM ACTIVE AROUND 1896

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.