Negros Mine

The Negros Mine is a lead and silver mine located in Powell county, Montana.

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: Negros Mine

Commodity

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

Location

State: Montana
County: Powell
District: Elliston 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: J. F. Hopkins
Home Office: 401 N. Montana, Helena, Mt. 59601

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

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

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Boulder Batholith

Alterations

Alteration Type: L
Alteration Text: Argillization

Rocks

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Gold
Ore: Galena
Gangue: Pyrite
Gangue: Quartz

Comments

Comment (Location): ON THE E SIDE OF LITTLE BLACKFOOT RIVER. ; INFO FROM LAND.ST :(1954)

Comment (Deposit): S ADIT 3 VEINS HAVE BEEN EXPOSED, THEY RANGE FROM 0.5 TO 3.0 FT IN WIDTH. THE N ADIT EXPLORES ONLY ONE VEIN THAT RANGES FROM 4 TO 24 IN IN WIDTH.

Comment (Workings): TWO ADITS, STOPES

References

Reference (Deposit): MBMG BULL 98, P. 14, 50.

Reference (Deposit): USGS BULL 1151, PL. 1.

Reference (Deposit): MBMG BULL 109, P. 17.

Reference (Production): MBMG BULL 98, P. 50.

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.