Uncle Sam Mine

The Uncle Sam Mine is a silver, lead, and zinc mine located in Jefferson 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

Name: Uncle Sam Mine  

State:  Montana

County:  Jefferson

Elevation:

Commodity: Silver, Lead, Zinc

Lat, Long: 46.32639, -112.25083

Map: View on Google Maps

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.


Satelite image of the Uncle Sam Mine

Uncle Sam Mine MRDS details

Site Name

Primary: Uncle Sam Mine
Secondary: Jennie B.


Commodity

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


Location

State: Montana
County: Jefferson
District: Basin (Cataract, Comet) 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: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past 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

Not available


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: ALTERED WALL ROCK .3 MR/HR, MAIN VEIN ZONE .4 MR/HR, BACKGROUND LEVEL WAS .007 MR/HR, URANIUM MINERALS NOT IDENTIFIED
Analytical Data: RADIOACTIVITY BY GEIGER COUNTER SURVEY


Materials

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


Comments

Comment (Location): 1 MI N OF THE JUNCTION OF UNCLE SAM AND CATARACT CRS ; INFO FROM LAND.ST :(1954)

Comment (Deposit): ORE SHOOT IN OLD WORKINGS. STRIKE RANGES N 70 W TO N 80 W.

Comment (Workings): CROSSCUT ADITS, DRIFTS, CAVED. INCLINED SHAFT PITS


References

Reference (Deposit): MBMG BULL 16, P. 36-7.

Reference (Deposit): USGS BULL 527, P. 121.

Reference (Deposit): USGS BULL 842, P. 294.

Reference (Deposit): USGS BULL 1151, P. 117, PL.1

Reference (Production): MBMG BULL 16, P. 37.


Principal Gold Districts of Montana

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.