行业描述
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their copper, nickel, lead, or zinc content. Beneficiating includes the transformation of ores into concentrates. Establishments primarily engaged in recovering copper concentrates by the precipitation, leaching, or electrowinning of copper ore are included in this industry.
排除内容
Refining copper concentrates--are classified in Industry 331410, Nonferrous Metal (except Aluminum) Smelting and Refining; and
Developing the mine site, mining, and/or beneficiating iron and manganiferous ores valued for their iron content--are classified in Industry 212210, Iron Ore Mining.
关键词
Blende (zinc) mining and/or beneficiating
Calamine mining and/or beneficiating
Cerussite mining and/or beneficiating
Chalcocite mining and/or beneficiating
Chalcopyrite mining and/or beneficiating
Copper beneficiating plants
Copper ore concentrates recovery
Copper ore mine site development for own account
Copper ores mining and/or beneficiating
Copper-water precipitates
Cuprite mining and/or beneficiating
Galena mining and/or beneficiating
Lead ore mine site development for own account
Lead ore mining and/or beneficiating
Lead-zinc ore mining and/or beneficiating
Nickel concentrates recovery
Nickel ore beneficiating plants
Nickel ore mine site development for own account
Nickel ores mining and/or beneficiating
Smithsonite mining and/or beneficiating
Sphalerite mining and/or beneficiating
Willemite mining and/or beneficiating
Zinc ore mine site development for own account
Zinc ores mining and/or beneficiating
Zinc-blende (sphalerite) mining and/or beneficiating
Zincite mining and/or beneficiating
