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  3. Mineral Resource Data System (MRDS)

Colorado Quartz Claim

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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034689
MRDS ID M021565
Record type Site
Current site name Colorado Quartz Claim
Related records 10211836

Geographic coordinates

Geographic coordinates: -120.00959, 37.54271 (WGS84)
Relative position 4 MI NW OF MARIPOSA

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bear Valley(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)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 018E 32 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

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

Nearby scientific data

(1) -120.00959, 37.54271
ListMap

Economic information

Ore body information

  • General form PINCH & SWELL
    Thickness 1.83M

Controls for ore emplacement

  • Fissure Vein

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years - 1915

Comments on the production information

  • MINE WAS WORKING MOST OF TIME IN 1915 . NO PRODUCTION RECORD FOUND.

Comments on the workings information

  • IN 1915 WORKINGS CONSISTED OF A 500 FT ADIT LEVEL, 140 FT RAISE TO SURFACE, ANOTHER 65 - FT RAISE AND 13 FT WINZE. STOPE 300 FT LONG.

Reference information

Bibliographic references

  • Deposit

    LOWELL, F.L., 1915 , MARIPOSA COUNTY: 14TH REPORT STATE MINERALOGIST ( FOR 1913 - 1914 ), P. 580

  • Production

    LOWELL, 1915

General comments

Subject category Comment text
Deposit 2 CLAIMS, ONE PATENTED
Deposit VEIN 2 - 6 FT THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 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.

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.