Little Group

The Little Group is a copper mine located in Silver Bow county, Montana at an elevation of 6,040 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: Little Group

Commodity

Primary: Copper

Location

State: Montana
County: Silver Bow
District: Melrose (Soap Gulch) 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
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Highland Mountains

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Gangue: Quartz
Gangue: Malachite

Comments

Comment (Deposit): VEIN WIDTH RANGES FROM 2 TO 40 FT.

Comment (Workings): 30 FT ADIT WITH 150 FT SHAFT AND 415 FT CROSSCUT ON NORTH SIDE OF CANYON, ADIT WITH TWO BRANCHES, 200 AND 145 FT ON SOUTH SIDE OF CANYON

Comment (Geology): WINCHELL (1914) REPORTS BASIC IGNEOUS DIKES NEAR WORKINGS.

Comment (Location): NW/4 OF THE NE/4 OF SECTION 7.

References

Reference (Deposit): SAHIREN, U.M., 1950, GEOL. AND ORE DEPOSITS-ROCHESTER DISTRICT, MADISON CO., MT: MT. BUREAU OF MINES AND GEOL., MEM. 19, P. 51.

Reference (Deposit): CONSV. DIV. COMP. DATE, 05-23-1963

Reference (Deposit): USGS BULL 574, P. 94.

Reference (Deposit): 1914 RECON WINCHELL, A.N., U.S.G.S. BULL. 574

Reference (Deposit): 1950 GEOLMAP MBMG MEM. 19

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.