Keystone Mine

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.

Mine Info

Name: Keystone Mine  

State:  Utah

County:  Summit

Elevation: 9,026 Feet (2,751 Meters)

Primary Mineral: Lead, Copper

Lat, Long: 40.61917, -111.54111

Map: View on Google Maps

Satelite View

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.


Satelite image of the Keystone Mine

Keystone Mine MRDS details

Site Name

Primary: Keystone Mine


Commodity

Primary: Lead
Primary: Copper


Location

State: Utah
County: Summit
District: Park City District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
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.


Alterations

Alteration Type: L
Alteration Text: Silicified Limestone


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Early Triassic

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Malachite
Ore: Galena


Comments

Comment (Commodity): NO COMMERCIAL ORE BODIES

Comment (Workings): WORKINGS IN 1912 CONSIST OF THREE ADITS AND A SHAFT 240 FT DEEP.


References

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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