Cooper Tunnel

The Cooper Tunnel is a lead and silver mine located in Salt Lake county, Utah at an elevation of 9,400 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: Cooper Tunnel

State:  Utah

County:  Salt Lake

Elevation: 9,400 Feet (2,865 Meters)

Commodity: Lead, Silver

Lat, Long: 40.60972, -111.61222

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 Cooper Tunnel

Cooper Tunnel MRDS details

Site Name

Primary: Cooper Tunnel


Commodity

Primary: Lead
Primary: Silver


Location

State: Utah
County: Salt Lake
District: Big Cottonwood District


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1875
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: TABULAR


Structure

Type: R
Description: Vinta-Cottonwood Arch, Sevier Overthrust Belt, Cordilleran Hinge Line

Type: L
Description: Northeast Striking Normal Faults Grizzly Thrust Fault


Alterations

Alteration Type: L
Alteration Text: Minor Bleaching And Silicification, Oxidation


Rocks

Name: Lamprophyre
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

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

Name: Lamprophyre
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene


Analytical Data

Analytical Data: NO DATA ON GRADES.


Materials

Ore: Argentite
Ore: Galena
Gangue: Calcite
Gangue: Quartz


Comments

Comment (Location): INFO FROM LAND.ST :1983

Comment (Deposit): FISSURE VEINS THOUGHT TO BE THE WESTERN EXTENSION OF THE COOPER WERE CUT IN THE ALTA TUNNEL AND THE ALTA TUNNEL'S NO. 5 DRIFT.

Comment (Deposit): Discovery Year: LATE 1800'S

Comment (Workings): THREE ADITS OF UNKNOWN BUT PROBABLY SMALL LENGTH IN THE COOPER AREA. COOPER FISSURE CUT BY NO. 5 DRIFT OF ALTA TUNNEL


References

Reference (Deposit): JAMES, L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE COUNTY, UTAH: U.G.M.S. BULL. NO. 114.

Reference (Deposit): CALKINS, F.C., AND BUTLER, B.S., 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 201.

Reference (Deposit): BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111.

Reference (Deposit): BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D., JR., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534


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