Garnet (First Chance)

The Garnet (First Chance) is a copper, silver, and 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

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: Garnet (First Chance)

Commodity

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

Location

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

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Year: 1955
Time Period: 1867-1955

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Polymetallic replacement
Operation Type: Unknown
Year First Production: 1867
Year Last Production: 1955
Discovery Year: 1867
Years of Production:
Organization:
Significant: Y

Physiography

Not available

Mineral Deposit Model

Model Name: Placer Au-PGE
Model Name: Polymetallic replacement

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Production): Production total is aggregated for more than 20 mines occurring within a four square mile area. More than 150,000 oz of the Au resource occurs in skarn zone adjacent to the Nancy Hanks zone. (USGS Headwaters Project significant-deposit list.)

References

Reference (Reserve-Resource): Iron Mask Mining 2001 SEC Form 10K

Reference (Production): Kauffman and Earll, 1963

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.