South Hecla Mine

The South Hecla Mine is a silver and lead mine located in Salt Lake county, Utah at an elevation of 8,599 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: South Hecla Mine
Secondary: Alta United Mines Co.
Secondary: Dwyer Tunnel
Secondary: Alta-Quincy Tunnel

Commodity

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

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

Owner Name: Alta United Mines Co.
Home Office: 620 Commercial Bank, Midland, Tx. 79701

Production

Year: 1918
Material type: ORE
Description: Ap_Grade: ^41 Cents/Ton Au, 10.4 Oz./Ton Ag, 5.3 % Cu, 25 % Fe, 15 % Si Oz
Year: 1916
Material type: ORE
Description: Ap_Grade: ^68 Cents/Ton Au, 20.68 Oz./Ton Ag, 7.76% Pb, .4% Cu, 4.6% Zn, 4.9% Fe
Year: 1919
Time Period: 1911-1919
Material type: ORE
Description: Cp_Grade: ^56 Cents/Ton Au, 17.46 Oz./Ton Ag, 1.35 % Cu, 6.34 % Pb

Deposit

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

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: TABULAR, TABULAR

Structure

Type: R
Description: On North Limb Of Uinta Arch., East Of The Wasatch Fault

Type: L
Description: Alta Thrust Zone, Howland Fault, Wedge And Kale Hayes Fissures

Alterations

Not available

Rocks

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

Analytical Data

Not available

Materials

Ore: Scheelite
Ore: Galena
Ore: Plumbojarosite
Ore: Bornite
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Gold
Ore: Enargite
Ore: Tetrahedrite

Comments

Comment (Workings): DEVELOPMENT CONSIST OF FIVE ADITS, SIX SHAFTS, AND SEVERAL PROSPECT PITS.

Comment (Production): 900,000 DOLLARS PRODUCTION FROM RUSTLER PRIOR TO 1885

Comment (Deposit): MAIN PRODUCTION CAME FROM FOUR MAIN REPLACEMENT BODIES ASSOCIATED WITH FISSURES. THREE OF THESE BODIES ARE ASSOCIATED WITH THE WEDGE FISSURE SYSTEM AND ORE WITH THE KATE HAYES FISSURE.

Comment (Workings): BY 1920: 10,400 FT. OF TUNNELS, 17,215 FT. OF DRIFTS AND CROSSCUTS, 3200 FT. OF RAISES AND 1,084 FT. OF SHAFTS

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

Comment (Location): PROPERTIES CONSIST OF 20 PATENTED CLAIMS INCLUDES: VICTOR HUGO, EXPOSITION, MAHOGANY NO. 1 & 2 , MULDOON, DOOLY, S. CROSS, REALITY, TEMPLE, BOSTON NO. 1 & 2 , EVENING AND TEMPEST OWNED BY BAR X MINING CO. EXACT LOCATION UNKNOWN DUE TO UNAVAILABLE MAPS; PREVIOUS QUAD DESIGNATION = GRAND JUNCTION 1:250000

Comment (Production): A CARLOAD OF ORE SHIPPED IN 1917 ASSAYED $24 IN SILVER PER TON.

References

Reference (Deposit): CALKINS, F.C. AND BUTLER, B.S., 1943, GEOL. AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: USGS PROF. PA. 201, P. 125-127.

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

Reference (Deposit): JAMES, L.P., 1979, GEOL., ORE DEPOSITS AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE COUNTY, UTAH: UGMS BULL. 114, 98 P.

Reference (Deposit): EVERETT, F.D., 1961, TUNGSTEN DEPOSITS IN UTAH: USBM IC-8014, P. 22.

Reference (Production): CALKINS, F.C. AND BUTLER, B.S., 1943, P. 125.

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