Mine detail: Keystone Mine

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Location: Summit County, Utah, United States, North America
Lat / long: 40.61911, -111.54189
dep_id: 10041814
mrds_id: M057616
Commodity type: metallic
Major mineral: Lead, Copper
Operation type: Unknown
Deposit type: Replacement
Production size: Small ammount of material produced
Development status: Past Producer
ore: Galena, Malachite
alteration: Silicified Limestone
Reporter: Wong, George (Tooker, Ed)
arock_type: Diorite
Structure: The Sedimentary Rocks Are Broken And Faulted By Fissures Striking N 40 - 60 E, Dip 40 - 70 Se. The Area Is Complexly Faulted. General Strike Of Bedrock Is N 70 - 80 E, Dip 30 - 40 Nw.
prod_yrs: 1903 - 1926
References:
  • Deposit:: BOUTWELL, J.M., 1912 , GEOL & ORE DEP OF PARK CITY DIST: USGS PP 77 , P. 219
  • Deposit:: BARNES, M.P. & SIMOS, J.G., 1968 , ORE DEPOSITS OF PARK CITY DIST IN ORE DEPOSITS OF THE US, 1933 - 67 , GRATON-SALES VOL 2 , P. 1123
  • Deposit:: BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D. JR., BROMFIELD, C.S., 1966 , GEOL MAP OF BRIGHTON QUAD: USGS MAP GQ - 534
  • Production:: BARNES & SIMOS, 1968
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