This U.S. industry comprises establishments primarily engaged in: (1) developing the mine site, mining, and/or beneficiating (i.e., preparing) copper and/or nickel ores; and (2) recovering copper concentrates by the precipitation, leaching, or electrowinning of copper ore.
Cross-References. Establishments primarily engaged in refining copper concentrates are classified in U.S. Industry 331411, Primary Smelting and Refining of Copper.
| Go to: | No change 2002 to 2007 | No change 1997 to 2002 | 2002 Economic Census and other data sources |
| 2007 NAICS | 2002 NAICS | 1997 NAICS |
Corresponding Index Entries |
|---|---|---|---|
| 212234 | 212234 | 212234 | Chalcocite mining and/or beneficiating |
| 212234 | 212234 | 212234 | Chalcopyrite mining and/or beneficiating |
| 212234 | 212234 | 212234 | Copper beneficiating plants |
| 212234 | 212234 | 212234 | Copper ore concentrates recovery |
| 212234 | 212234 | 212234 | Copper ore mine site development for own account |
| 212234 | 212234 | 212234 | Copper ores mining and/or beneficiating |
| 212234 | 212234 | 212234 | Copper-water precipitates |
| 212234 | 212234 | 212234 | Cuprite mining and/or beneficiating |
| 212234 | 212234 | 212234 | Nickel concentrates recovery |
| 212234 | 212234 | 212234 | Nickel ore beneficiating plants |
| 212234 | 212234 | 212234 | Nickel ore mine site development for own account |
| 212234 | 212234 | 212234 | Nickel ores mining and/or beneficiating |
