Mine detail: Keystone Mines

Previously called 'NBMG Sample Sites 2654, 2655, 2656Old CentralNevada Keystone Mine'

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Location: Pershing County, Nevada, United States, North America
Lat / long: 40.84156, -118.1182
dep_id: 10042501
mrds_id: M060311
Commodity type: metallic
Major mineral: Silver, Lead, Zinc
Minor mineral: Gold, Copper
Trace mineral: Tungsten
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Pyrite, Scheelite, Sphalerite, Stibnite
model: 273: Low-sulfide Au-quartz vein
alteration: Sericitization, Silicification, Kaolinization, Pyritization
ore_ctrl: Shear Zones
Reporter: Johnson, Maureen G., La Pointe, D.D. (Tingley, J.V.), Royse, Sue E., Li, Zhiping (Peters, S.)
hrock_type: Diorite,Hornfels
arock_type: Diorite
Structure: Gently Dipping Shear Zones
disc_yr: 1872
References:
  • Deposit:: LEMMON, D.M., 1977, IN GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89
  • Deposit:: KLEPPER, M.R., 1943, UNPUBLISHED REPORT
  • Deposit:: TINGLEY, J. V., 1985, NBMG FIELD EXAMINATION REPORT,4/19/1985.
  • Deposit:: STAGER, H. K., IN PREPARATION, TUNGSTEN DEPOSITS OF NEVADA, NBMG BULL.
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