Mine detail: Keystone and Hard Times Mine

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Location: Juab County, Utah, United States, North America
Lat / long: 39.56051, -113.03831
dep_id: 10011402
mrds_id: D006200
Commodity type: metallic
Major mineral: Gold, Copper
Minor mineral: Silver
Operation type: Unknown
Deposit type: Replacement
Production size: Small ammount of material produced
Development status: Past Producer
ore: Gold, Malachite
work_type: Surface/Underground
alteration: Limonitic
ore_ctrl: Local Ne Trending Faults
Reporter: Everts, Michael L.
hrock_unit: Limestone
hrock_type: Limestone
Structure: Drum Mtns Homocline, Keystone Fault
tectonic: Sevier Orogenic Belt
discr: Ut. Central Mining Co.
References:
  • Analytical Data:: SRC.REF: COMPANY REPORT APRIL 1916
  • Deposit:: EVERTS, M.L., 1980, UT. GEOL. & MIN. SURVEY, ON SITE INVESTIGATION
  • Deposit:: CRANE, G.W., 1934, HOLDINGS OF UTAH CENTRAL MINES COMPANY: COMPANY REPORT.
  • Deposit:: 1920 RECON BUTLER, USGS PP 111
  • Deposit:: 1961 RECON CRITTENDEN, USGS BULL. 1082-H
  • Production:: CRANE G.W., 1934, COMPANY REPORT: UTAH CENTRAL MINES CO.
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