Commodities
PrimaryGold
SecondaryLead, Copper
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnknown
Materials
Ore mineralsChalcopyrite, Galena, Gold, Pyrite
GangueEpidote, Quartz
Economic & production
Development statusPast Producer
Identification
Deposit ID10007420
MRDS IDC011258
Alternate namesGrass Valley Boundary
RegionNA
Data scoreC
Coordinates39.21517, -121.08298
References
JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 63 - 65 .LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 387 , PL. 3 .