Frederick Mine

The Frederick Mine is a lead and silver mine located in Salt Lake county, Utah at an elevation of 8,540 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

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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: Frederick Mine
Secondary: Hellgate Mining Co.

Commodity

Primary: Lead
Primary: Silver

Location

State: Utah
County: Salt Lake
District: Little 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

Type: Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1870
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: On North Limb Of Uinta Arch; East Of Wasatch Fault

Type: L
Description: Alta Thrust Zone, Superior Faults

Alterations

Not available

Rocks

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

Analytical Data

Analytical Data: ORE AVERAGED 60 OZ AG AND 35% PB IN 1880

Materials

Ore: Cerussite
Gangue: Pyrite

Comments

Comment (Deposit): TUNNELS TRENDS A FEW DEGREES WEST OF NORTH FOR ABOUT 2500 FT. IT CUTS SEVERAL LAMPROPHYRE DIKES IN THE OPHIR FM. AT 1800 FT FROM THE PORTAL, IN THE WATSON CLAIMS, IT CUTS A NE STRIKING FISSURE CONTAINING PYRITE. A SHORT DRIFT AND RAISE EXPLORE THIS FISSURE. ANOTHER FISSURE IS CUT AT 2300 FT. FROM THE PORTAL AND IS FOLLOWED FOR MORE THAN 900 FT. THIS FISSURE IS FILLED WITH A LAMPROPHYRE DIKE FOR PART OF ITS LENGTH AND IS MINERALIZED IN AREAS. A RAISE NEARLY UNDERNEATH THE OLD TOLEDO SHAFT CONNECTS THE FREDERICK WITH THE COLUMBUS-REXALL WORKINGS. THE HELLGATE DRIFT REACHES THE ALTA THRUST ZONE.

Comment (Location): INFO FROM LAND.ST :1973

Comment (Production): 35,000 DOLLARS WORTH OF ORE SHIPPED BY 1880

Comment (Workings): MAIN TUNNEL IS 2500 FT LONG, THERE ARE TWO DRIFTS ALONG FISSURES, A RAISE TO THE COLUMBUS - REXALL AND THE HELLGATE DRIFT TO THE ALTA THRUST

Comment (Geology): ALSO IN MISS. GARDISON AND DESERET LIMESTONES

References

Reference (Deposit): CRITTENDEN, M.D., JR., 1965, GEOL. OF THE DROMEDARY PEAK QUAD., UTAH: USGS MAP GQ-378.

Reference (Production): BUTLER, B.S., ET. AL, 1920, P.256.

Reference (Deposit): CALKINS, F.C. AND BUTLER, 1943, GEOL. AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: USGS PROF PA. 201, P. 117, PL. 38.

Reference (Deposit): JAMES, L.P., 1979, GEOL., ORE DEPOSITS AND HISTORY OF THE BIG COTTONEOOD MINING DISTRICT, SALT LAKE COUNTY, UTAH, 98P.

Reference (Deposit): BUTLER, B.S., ET. AL., 1920, ORE DEPOSITS OF UTAH: USGS PROF. PA. 111, P. 256.

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