Confidence Mine

The Confidence Mine is a silver and lead mine located in Salt Lake county, Utah at an elevation of 7,070 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

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.

Site Name

Primary: Confidence Mine
Secondary: Bachelor Claims

Commodity

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

Location

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

Land Status

Land ownership: National Forest
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

Type: Underground

Ownership

Owner Name: S. A. Parry

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metasomatic
Operation Type: Unknown
Year First Production: 1932
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: IRREGULAR

Structure

Type: R
Description: North Flank, Big Cottonwood Uplift

Alterations

Alteration Type: L
Alteration Text: Bleaching

Rocks

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

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

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

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

Analytical Data

Analytical Data: 30% PB, 7% CU
Analytical Data: SHIPMENT ASSAY 100-150 OZ AG/TON

Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Gold
Ore: Silver
Ore: Galena
Gangue: Pyrite

Comments

Comment (Production): LEASERS MINED A LITTLE ORE IN 1931, A SMALL LOT WAS SHIPED IN 1932

Comment (Deposit): THIS DEPOSIT WAS FORMED BY THE INTRUSION OF THIN DIORITE SILLS INTO THE LIMESTONE COUNTRY ROCK

Comment (Location): ANOTHER TUNNEL LIES 200 FT. SW OF THIS LOCATION ; INFO FROM LAND.ST :1977

Comment (Workings): THE LOWER ADIT IS APPROXIMATELY 220 FT. IN LENGTH. THE UPPER ADIT IS 600 FT. IN LENGTH WITH TWO WINZES LOCATED AT 100 FT. AND 550 FT. FROM THE PORTAL.

References

Reference (Deposit): JAMES, L.P., 1979, GEOLOGY, ORE DEPOSISTS, AND HISTROY OF THE BIG COTTONWOOD MINING DISTRICT SALT ALKE CO. UTAH: UTAH GEOL. & MINERAL SURV. BULL. 114.

Reference (Deposit): CRITTENDEN, M.D. JR., 1965, GEOLOGY OF THE MOUNT AIRE QUADRANGLE, SALT LAKE CO., UTAH: U.S. GEOLOGICAL SURVEY MAP GQ-379

Reference (Deposit): CALKINS, F.C. AND B.S. BUTLER, 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: US. GEOL. SURY PROF. PAPER 201

Reference (Deposit): BUTLER AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S GEOL SURVEY PROF. PAPER 111

Reference (Production): JAMES, L.P., 1979, P. 55-56

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