West Ontario Shaft

The West Ontario Shaft is a silver and lead mine located in Summit county, Utah at an elevation of 8,829 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: West Ontario Shaft  

State:  Utah

County:  Summit

Elevation: 8,829 Feet (2,691 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 40.6175, -111.51556

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 West Ontario Shaft

West Ontario Shaft MRDS details

Site Name

Primary: West Ontario Shaft
Secondary: Daly West Group
Secondary: United Park City Mines
Secondary: Park Utah Consolidated Mines


Commodity

Primary: Silver
Primary: Lead


Location

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.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: United Park City Mines Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1885
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

Not available


Structure

Type: R
Description: Uinta-Cottonwood Arch, Sevier Overthrust Belt; Park City Anticline

Type: L
Description: Northeast Striking Fracture Zones


Alterations

Not available


Rocks

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Triassic


Analytical Data

Not available


Materials

Ore: Tetrahedrite
Ore: Galena


Comments

Comment (Development): PROSPECTS LIE WITHIN THE DALY WEST PROPERTY AND NO PRODUCTION IS REPORTED FROM THE PROSPECTS. PROBABLY WAS AN EXPLORATION SHAFT AND PITS

Comment (Workings): SHAFT IS LOCATED ON MAP BY BOUTWELL, 1912, BUT NOT DESCRIBED. ONE SHAFT AND FOUR NEARBY PROSPECT PITS ARE PRESENT. DEPTH OF SHAFT UNKNOWN

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

Comment (Deposit): Discovery Year: 1880'S


References

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

Reference (Deposit): BOUTWELL, J.M., 1912, GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 77, 231 PP.

Reference (Deposit): ERIKSON, A.J., (EDITOR), 1968, PARK CITY DISTRICT, UTAH: GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 22, UTAH GEOLOGICAL SOCIETY.

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, 672 PP.


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