212221

Gold Ore Mining

This U.S. industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their gold content. Establishments primarily engaged in transformation of the gold into bullion or dore bar in combination with mining activities are included in this industry. Cross-References.

["Establishments primarily engaged in manufacturing gold bullion or dore bar without mining are classified in Industry 331410, Nonferrous Metal (except Aluminum) Smelting and Refining."]

212222

Silver Ore Mining

This U.S. industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their silver content. Establishments primarily engaged in transformation of the silver into bullion or dore bar in combination with mining activities are included in this industry. Cross-References.

["Establishments primarily engaged in manufacturing silver bullion or dore bar without mining are classified in Industry 331410, Nonferrous Metal (except Aluminum) Smelting and Refining."]