Mine detail: Plumas Mine

Previously called 'Nichlas Mine'

<< Back to the map

Location

Lat / long: 40.5549, -117.11845

Resource(M)

Primary: Silver, Lead
Secondary: Copper, Gold
Tertiary: Iron, Zinc, Arsenic, Antimony
Ore: Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue: Quartz
Orebody form: TABULAR
Discovery year: 1865

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1865

Geology

Host rock:Harmony Formation;Scott Canyon Formation
Host type:Shale,Sandstone,Chert
Associated type:Diorite
Structure:Thrust Faults, Nw-Trending Fault (Plumas Fault)
Alteration processes:Pyritization, Silicification

References

MRDSM231371
DEP10103943
Reference{Deposit:: STEWART, J.H., MCKEE, E.H., AND STAGER, H.K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY NEVADA; NEV. BUREAU OF MINES BULL. 88.}{Deposit:: VANDERBURG, W.O., 1939, RECONNAISSANCE OF MINING DISTRICTS IN LANDER CO., NEV: U.S.B.M. MINF. CIRC. 7043.}{Deposit:: HILL, J.M., 1915, SOME MINING DISTRICTS IN N.E. CALIFORNIA AND NW. NEVADA: U.S.G.S. BULL. 594}{Deposit:: ROBERTS, R.J. AND ARNOLD, D.C., 1965, ORE DEPOSITS OF THE ANTLER PEAK QUADRANGLE HUMBOLDT AND LANDER COUNTIES, NEVADA; U.S.G.S. PROF PAPER 459-B}
ReporterLa Pointe, D.D.