Ore . mining . Britannica
Ore: Ore, a natural aggregation of one or more minerals that can be mined, processed, . Advertisement . and chalcocite, the principal sources of copper; and sphalerite and galena, the principal . Then the ore is separated from the gangue by various operations known collectively as mineral processing, or ore dressing.
Flotation . ore dressing . Britannica
Flotation: Flotation, in mineral processing, method used to separate and . Flotation is widely used to concentrate copper, lead, and zinc minerals, which.Get Price