Flambeau Mine thumb|upright|Steely-blue chalcocite from the Flambeau Mine The Flambeau Copper Mine was operated by Kennecott from 1993 to 1997. This was a very rich volcanogenic massive sulfide ore deposit, so rich that the ore was shipped directly to the smelter.
Flambeau Mine thumb|upright|Steely-blue chalcocite from the Flambeau Mine The Flambeau Copper Mine was operated by Kennecott from 1993 to 1997. This was a very rich volcanogenic massive sulfide ore deposit so rich that the ore was shipped directly to the smelter.