Montana · Granite County
Past Producer
Garnet (First Chance)
Granite County, Montana, United States
Copper
Silver
Gold
Zinc
Lead
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USGS source ↗
Commodities
Primary
Copper, Silver, Gold
Secondary
Zinc, Lead
Commodity type
M
Deposit
Deposit type
Polymetallic replacement
Model
72: Polymetallic replacement119: Placer Au-PGE
Economic & production
Development status
Past Producer
First production
1867
Last production
1955
Discovery year
1867
Identification
Deposit ID
10400192
Region
NA
Data score
D
Coordinates
46.82689, -113.34393
References
Kauffman and Earll, 1963Iron Mask Mining 2001 SEC Form 10K