Colorado and Trio

Placer County, California, United States

Gold

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

Commodity typeMetallic

Deposit

Deposit sizeSmall

Materials

Ore mineralsGold

GangueQuartz

Geology

Host rockDiorite

Associated rockDiorite

Economic & production

Development statusPast Producer

Community notes

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References

WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, PL. FACING P. 318 .LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA; CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 43 .

Identification

Deposit ID10007679

MRDS IDC012094

Alternate namesTrio

RegionNA

Data scoreD

Coordinates38.90517, -121.15103