Southern Copper Corporation engages in mining, exploring, smelting, and refining copper and other minerals in Peru, Mexico, Argentina, Ecuador, and Chile. The company is involved in the mining, milling, and flotation of copper ore to produce copper and molybdenum concentrates; smelting of copper concentrates to produce blister and anode copper; refining of anode copper to produce copper cathodes; production of molybdenum concentrate and sulfuric acid; production of refined silver, gold, and other materials; and mining and processing of zinc, copper, molybdenum, silver, gold, and lead. It operates the Toquepala and Cuajone open-pit mines, and a smelter and refinery in Peru; and La Caridad, an open-pit copper mine, as well as a copper ore concentrator, a SX-EW plant, a smelter, refinery, and a rod plant in Mexico. The company also operates Buenavista, an open-pit copper mine, as well as two copper concentrators and two operating SX-EW plants in Mexico. In addition, it operates underground mines that produce zinc, lead, copper, silver, and gold; a coal mine; and a zinc refinery. The company has interests in 156,818 hectares and 502,688 hectares of concessions in Peru and Mexico; and 168,200 hectares and 28,453 hectares of exploration concessions in Argentina and Chile. Southern Copper Corporation was incorporated in 1952 and is based in Phoenix, Arizona. Southern Copper Corporation is a subsidiary of Americas Mining Corporation.