Mine detail: Montgomery-Shoshone Mine

Previously called 'Shoshone-Polaris MinePolaris VeinSt. Joe-Bullfrog Mine'

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Location

Lat / long: 36.91329, -116.80922

Resource(M)

Primary: Silver, Gold
Ore: Cerargyrite, Gold
Gangue: Calcite, Kaolinite, Limonite, Pyrite
Discovery year: 1904

Production

Operation type: Unknown
Production size: Small
Development status: Producer
Production years: 1904-1911, 1989- PRESENT (11/91)
First production started: 1905

Geology

Host type:Tuff,Rhyolite
Structure:Detachment Faulting., Ore Occurs In Part Along The Ne-Striking Montgomery-Shoshone Fault. This Fault Has An Apparent Normal Displacement Of 3,500 Ft.
Tectonic:Within Timber Mountain Caldera Complex And Bare Mountain-Bullfrog Hills Metamorphic Core Complex.
Alteration processes:Locally Strong Silicification As Quartz Flooding; Some Argillization And Alunite Along Shears.

References

MRDSM231918
DEP10044475
Reference{Deposit:: RANSOME, F.L., ET AL, 1910, GEOLOGY AND ORE DEPOSITS OF THE BULLFROG DISTRICT: USGS BULL. 407, P. 104-111.}{Deposit:: KRAL, V.E., 1951, MINERAL RESOURCES OF NYE CO.: NBMG BULL. 50, P. 32-34.}{Deposit:: BLM, 1988, PUBLIC SCOPING DOCUMENT FOR PROPOSED BULLFROG/MONTGOMERY-SHOSHONE PROJECT.}{Deposit:: TINGLEY, J.V., 1988, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.}{Deposit:: NBMG, 1988, THE NEVADA MINERAL INDUSTRY 1987, NBMG SPECIAL PUBLICATION MI-1987.}{Deposit:: JORGENSEN, D.K., 1987, GEOLOGY OF THE MONTGOMERY-SHOSHONE GOLD DEPOSIT, NYE CO., NV: IN GSN SYMPOSIUM FIELD TRIP GUIDEBOOK.}{Deposit:: JORGENSEN, D.K., ET AL, 1989, GEOLOGY, ALTERATION AND MINERALOGY OF THE BULLFROG DEPOSIT, SOCIETY OF MINING ENGINEERSREPRINT NUMBER 89-135.}{Deposit:: NBMG, 1994, MI-1993}{Production:: JORGENSEN, D.K., ET AL, 1989, GEOLOGY, ALTERATION AND MINERALOGY OF THE BULLFROG DEPOSIT, SIETY OF MINING ENGINEERS PREPRINT NUMBER 89-135.}{Reserve-Resource:: BLM, 1988, PUBLIC SCOPING DOCUMENT FOR PROPOSED BULLFROG/MONTGOMERY-SHOSHONE PROJECT. NBMG MI-1993}
ReporterWong, George (Roberts, Ralph), La Pointe, D.D., Phinisey, J. D. (Marcus, S.), Li, Zhiping (Moyer, Lorre A.)