The Keystone Mine is a lead and copper mine located in Summit county, Utah at an elevation of 9,026 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 9,026 Feet (2,751 Meters)
Primary Mineral: Lead, Copper
Lat, Long: 40.61917, -111.54111
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Keystone Mine MRDS details
Primary: Keystone Mine
District: Park City District
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Deposit Size: S
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Mineral Deposit Model
Description: 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.
Alteration Type: L
Alteration Text: Silicified Limestone
Age Type: Host Rock
Age Young: Early Triassic
Age Type: Associated Rock
Age Young: Pliocene
Comment (Commodity): NO COMMERCIAL ORE BODIES
Comment (Workings): WORKINGS IN 1912 CONSIST OF THREE ADITS AND A SHAFT 240 FT DEEP.
Reference (Deposit): BOUTWELL, J.M., 1912 , GEOL & ORE DEP OF PARK CITY DIST: USGS PP 77 , P. 219
Reference (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
Reference (Deposit): BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D. JR., BROMFIELD, C.S., 1966 , GEOL MAP OF BRIGHTON QUAD: USGS MAP GQ - 534
Reference (Production): BARNES & SIMOS, 1968
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