International Mine

The International Mine is a gold mine located in Granite 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: International Mine  

State:  Montana

County:  Granite

Elevation:

Commodity: Gold

Lat, Long: 46.82667, -113.33889

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 International Mine

International Mine MRDS details

Site Name

Primary: International Mine


Commodity

Primary: Gold
Secondary: Silver
Secondary: Copper


Location

State: Montana
County: Granite
District: Garnet (First Chance) District


Land Status

Not available


Holdings

Not available


Workings

Type: Unknown


Ownership

Not available


Production

Year: 1940
Time Period: 1910-1940
Description: Cp_Grade: ^4-8 Oz/Ton Au, 5-10 Oz/Ton Ag


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
Physiographic Detail: Garnet Range


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Bearmouth Overthrust

Type: L
Description: Deep Creek Anticline, Garnet Stock


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

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

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

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


Analytical Data

Analytical Data: 4-8 OZ/TON AU, 5-10 OZ/TON AG


Materials

Ore: Gold
Gangue: Limonite
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Deposit): 2 OR MORE SMALL VEINS THAT YIELED RICH OXIDIZED ORE.

Comment (Workings): 100FT SHAFT AND LEVELS

Comment (Location): ADJOINS SHAMROCK ON THE EAST.


References

Reference (Deposit): USGS BULL 660, P. 173-178,186-7

Reference (Production): USGS BULL 660


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.