Commodities
PrimaryGold
Commodity typeM
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockDiorite
Associated rockDiorite
Economic & production
Development statusPast Producer
Identification
Deposit ID10101349
MRDS IDC012190
RegionNA
Data scoreC
Coordinates38.89239, -121.11242
References
LINDGREN, W., 1894 , THE GOLD-SILVER VEINS OF OPHIR, CALIFORNIA: 14TH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, PART 2 , P. 26 .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. 46 .