Butterfield Nw Mines

The Butterfield Nw Mines is a zinc and gold mine located in Salt Lake county, Utah at an elevation of 7,749 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: Butterfield Nw Mines
Secondary: Butterfield Group Claims: Northern Chief
Secondary: Bemis
Secondary: Hratt
Secondary: Eagle Bird
Secondary: Queen
Secondary: Butterfield.

Commodity

Primary: Zinc
Primary: Gold
Secondary: Silver
Secondary: Lead
Tertiary: Barium-Barite
Tertiary: Arsenic

Location

State: Utah
County: Salt Lake
District: Bingham 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: Kennecott Minerals Co.

Owner Name: U.S. Smelting, Refining, And Mining Co.

Production

Not available

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: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: High Plateaus Of Utah
Physiographic Detail: Uinta Extension

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Form: IRREGULAR

Structure

Type: R
Description: Basin And Range

Type: L
Description: Eagle Bird Fissure; A Zone Of Fracture Up To 40 Ft. Thick. (Ne-Sw; 10-85nw)

Alterations

Alteration Type: L
Alteration Text: Sericitization, Chloritization, And Silicification

Rocks

Name: Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pliocene

Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene

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

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

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Galena
Ore: Barite
Gangue: Chlorite
Gangue: Quartz
Gangue: Pyrite
Gangue: Talc

Comments

Comment (Location): INFO FROM LAND.ST :(1977)

Comment (Deposit): DEPOSIT LIES ON A FAULTED BLOCK, IN HIGHLY DEFORMED AND ALTERED HOST ROCKS. MINERALIZATION IS CONTROLLED BY FISSURES AND FRACTURES, AND IS CONFINED TO ALTERED ZONES.

Comment (Workings): A 787 FT, 40-80 DEG. NW INCLINE WITH LEVELS AT 100, 300, 500, 600 AND 700 FT.; NUMEROUS DRIFTS, AND STOPES, MOSTLY IN INTRUSIVES. CONNECTS WITH QUEEN TUNNEL, LODE CUT BY BUTTERFIELD TUNNEL, BEMIS TUNNEL (478 FT. SE OF QUEEN) FOLLOWS THE BEMIS AND HRATT VEINS FOR 725 FT. BUTTERFIELD TUNNEL (1 MILE EAST OF QUEEN) STRIKES N60N FOR 8,766 FT.

Comment (Geology): ORE MINERALS ARE INTIMATELY ASSOCIATED WITH VEINS OF CRYPTOCRYSTALLINE SILICA IN HOSTROCKS

References

Reference (Deposit): BRAY E.R., WILSON, J.C., 1975, GUIDE BOOK TO THE BINGHAM MINING DISTRICT: SOCIETY OF ECONOMIC GEOLOGISTS

Reference (Deposit): COOK, D.R., 1961, GEOLOGY OF THE BINGHAM MINING DISTRIST AND NORTHERN OQUIRRH MOUNTAIN, GUIDE BOOK TO THE GEOLOGY OF UTAH, NO. 16 UTAH GEOLOGICAL SOCIETY, 145P.

Reference (Deposit): BUTLER, B.S.,ET.AL., 1920, THE ORE DEPOSITS OF UTAH: USGS P.P. 111, 672P.

Reference (Deposit): BOUTWELL, J.M., 1905, ECONOMIC GEOLOGY OF THE BINGHAM MINING DISTRICT, UTAH: USGS P.P. 38, 410P.

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