Mine detail: Keystone Mine

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Location: Eureka County, Nevada, United States, North America
Lat / long: 39.9238, -116.55148
dep_id: 10044735
mrds_id: M232311
Commodity type: metallic
Major mineral: Silver, Lead, Zinc
Minor mineral: Copper, Gold
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Galena, Pyrite, Sphalerite
gangue: Garnet, Quartz
orebody_fm: IRREGULAR
model: 60: Skarn Zn-Pb
alteration: Skarn Formation
ore_ctrl: Proximity To Intrusive
Reporter: Kirkham, Richard A.
hrock_unit: Nevada Formation
hrock_type: Limestone
arock_unit: Keystone Granodiorite
arock_type: Diorite
Structure: Limestone Is Exposed In Window Of Roberts Mtn. Thrust
Year first produced: 1925
disc_yr: 1870
References:
  • Deposit:: ROBERTS, R.J., ET AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO, NEV, NEV BUREAU OF MINES BULL 64
  • Deposit:: U.S. BUREAU OF MINES (MILLETT) MILS NO. 157, REFERENCE NO. 3201100010
  • Production:: ROBERTS, R.J. ET AL., (1967).
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