Minnesota · Cook County
Past Producer
Susie Island Copper Veins
Cook County, Minnesota, United States
Copper
Silver
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USGS source ↗
Commodities
Primary
Copper, Silver
Commodity type
M
Deposit
Ore control
VEINS
Materials
Ore minerals
Chalcopyrite, Bornite, Pyrite, Covellite, Chalcocite
Gangue
Calcite, Barite
Geology
Host rock
Diabase · Grand Portage diabase dike
Economic & production
Development status
Past Producer
Identification
Deposit ID
10267733
Alternate names
Susie Island Silver Mine
Region
NA
Data score
D
Coordinates
47.9775, -89.57539
References
GEOLOGY OF COOK COUNTY MINNESOTA GEOL SUR BUL NO