Alliance Tunnel

The Alliance Tunnel is a silver and lead mine located in Summit county, Utah at an elevation of 7,841 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: Alliance Tunnel  

State:  Utah

County:  Summit

Elevation: 7,841 Feet (2,390 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 40.62639, -111.50417

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 Alliance Tunnel

Alliance Tunnel MRDS details

Site Name

Primary: Alliance Tunnel
Secondary: Silver King Coalition Mine


Primary: Silver
Primary: Lead
Secondary: Copper
Tertiary: Zinc
Tertiary: Gold


State: Utah
County: Summit
District: Park City 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.


Type: Patented


Not available


Owner Name: United Park City Mines Co.
Home Office: Utah
Info Year: 1980


Not available


Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1893
Discovery Year: 1889
Discovery Method: Ore-Mineral In Place
Years of Production:
Significant: N
Deposit Size: L


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

Mineral Deposit Model

Not available




Type: R
Description: Thrust Belt

Type: L
Description: Uplift


Not available


Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Late Permian

Analytical Data

Analytical Data: AVERAGED: .024 OZ/TON AU, 18.33 OZ/TON AG, 14.2 PERCENT PB, .487 PERCENT CU AND 3.53 PERCENT ZN.


Ore: Cerussite
Ore: Anglesite
Ore: Tetrahedrite
Ore: Malachite
Ore: Bindheimite
Ore: Pyrite
Ore: Sphalerite
Ore: Galena
Gangue: Calcite
Gangue: Quartz


Comment (Deposit): All data for Silver King Coalition Group in general

Comment (Workings): Extensive workings

Comment (Location): Section subdivisions NE 1/4 SW 1/4 SW 1/4


Reference (Production): Erickson, A.J., (Ed.), 1966, The Park City District: Utah Geol. Society Guidebook 22.

Reference (Deposit): Crittenden, M.D., Et.Al., 1966, Geol. Map Of The Park City West Quad.: USGS Map. GQ-535.

Reference (Deposit): Erickson, A.J., (Ed.), 1966, Park City District: Utah Geol. Society Guidebook 22.

Reference (Deposit): Perry, L.I., 1976, Lead And Zinc In Utah: Utah Geologic And Mineral Survey OFR-22.

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