Nevada · Nye County
Past Producer
Montana - Tonopah Mining Co.
Nye County, Nevada, United States
Silver Gold
Land & claims · BLM · live
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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.
Commodities
PrimarySilver
SecondaryGold
Commodity typeMetallic
Deposit
Model150: Epithermal vein, Comstock
Deposit sizeLarge
Ore controlFault Control Brecciated, Gouge-Filled Fault Zone
Materials
Ore mineralsPolybasite, Stephanite
GangueCalcite, Rhodochrosite
Geology
Host rockRhyolite · West End Rhyolite;Mizpah Trachyte;Tonopah Formation
StructureMizpah Fault (Striking N55w, Dipping 29 Ne)
AlterationBleaching, Silicification
Economic & production
Development statusPast Producer
Community notes
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References
SPURR, J.E., 1905, GEOLOGY OF THE TONOPAH MINING DISTRICT: USGS PROF. PAPER 42, P. 168-176CARPENTER, JA, ET AL, 1953, HISTORY OF FIFTY YEARS OF MINING AT TONOPAH: NBMG BULL. 51NOLAN, TB, 1935, UNDERGROUND GEOL. OF THE TONOPAH MIN. DIST.: NBMG BULL. 23CARPENTER, ET AL, 1953, P. 149
Identification
Deposit ID10044368
MRDS IDM231774
Alternate namesMontana - Tonopah Shaft, Silvertop Shaft
RegionNA
Data scoreB
Coordinates38.07188, -117.22592
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.