Mine detail: Grass Valley District - Remainder

Previously called ''

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Location

Lat / long: 39.21739, -121.03663

Resource(M)

Primary: Gold
Secondary: Tungsten
Discovery year: 1848

Production

Operation type: Unknown
Deposit type: HYDROTHERMAL VEIN
Production size: Large
Development status: Past Producer
First production started: 1850

Geology

Structure:MINOR THRUST FAULTS.

References

MRDSMP90013
DEP60001024
Reference{Deposit:: CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 93, 186 P.}{Deposit:: KOSCHMANN, A.H., AND BERGENDAHL, M.H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 610, 283 P.}{Deposit:: LOGAN, C. A., 1941, SACRAMENTO FIELD DISTRICT, MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 3, P. 374-408.}{Deposit:: BLISS, J.D., AND JONES, G.M., 1988, MINERALOGIC AND GRADE-TONNAGE INFORMATION ON LOW-SULFIDE AU-QUARTZ VEINS: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-229, 99 P.}