Colorado

Mariposa County, California, United States

Gold Silver

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimaryGold

SecondarySilver

Commodity typeMetallic

Deposit

Deposit sizeSmall

Orebody formPINCH AND SWELL

Materials

Ore mineralsGold, Pyrite, Silver

GangueQuartz

Geology

Host rockMetasedimentary Rock,Slate

Economic & production

Development statusPast Producer

Production years1915 - 1938

Community notes

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References

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. 90 - 91 , 251 .LAIZURE, C. MCK., 1928 , S. F. FIELD DIV.- MARIPOSA COUNTY: 24TH REPORT STATE MINERALOGIST, VOL. 24 , NO. 2 , P. 84 , 124 .CASTELLO, W. O., 1921 , MARIPOSA COUNTY: 17TH REPORT STATE MINERALOGIST ( FOR 1920 ), P. 111 .BOWEN AND GRAY, 1957

Identification

Deposit ID10031125

MRDS IDM009719

Alternate namesColorado Quartz Mine

RegionNA

Data scoreB

Coordinates37.55549, -119.97265