Commodities
PrimaryGold
SecondaryCopper
Commodity typeM
Deposit
Deposit sizeL
WorkingsSurface/Underground
Orebody formPINCHES AND SWELLS
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockDiabase
StructureFault Cuts Vein On One Side. Thought To Have Influenced Deposition Of Rich Ore Body On This Side.
AlterationGabbro Is Locally Saussuritized, Brecciated.
Economic & production
Development statusPast Producer
Identification
Deposit ID10101366
MRDS IDC012318
RegionNA
Data scoreB
Coordinates39.10683, -120.96853
References
LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 34 - 35 .WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 349 .CHANDRA, D. K., 1961 , GEOLOGY AND MINERAL DEPOSITS OF THE COLFAX AND FORESTHILL QUADRANGLES, CALIFORNIA: SPECIAL REPORT 67 , CALIFORNIA DIVISION OF MINES, P. 47 .UNITED STATES GEOLOGICAL SURVEY, 1900 , GEOLOGICAL ATLAS OF THE UNITED STATES: COLFAX FOLIO, CALIFORNIA, NO. 66 .WARING ( 1917 ) , LOGAN ( 1936 ), UNITED STATES GEOLOGICAL SURVEY ( 1900 ).