Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockSyenite
Associated rockSyenite
Economic & production
Development statusPast Producer
Identification
Deposit ID10007570
MRDS IDC011631
Alternate namesHelvetia Qtz
RegionNA
Data scoreC
Coordinates39.40321, -120.97437
References
LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .CRAWFORD, J. J., 1894 , REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12 , P. 201 .HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 307 .