Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockDiorite
Associated rockDiorite
Economic & production
Development statusPast Producer
Identification
Deposit ID10007677
MRDS IDC012087
Alternate namesColumbia, Belmont
RegionNA
Data scoreC
Coordinates38.91878, -121.16964
References
LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 29 , 39 .WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 351 .LOGAN ( 1936 )