PLM vs SCCO

Polymet Mining Corporation

PolyMet Mining Corp., through its subsidiary, Poly Met Mining, Inc., explores for and develops natural resource properties. Its primary mineral property is the NorthMet project, a polymetallic project that hosts copper, nickel, cobalt, gold, silver, and platinum group metal mineralization covering an area of approximately 4,300 acres located in northeastern Minnesota, the United States. The company was formerly known as Fleck Resources Ltd. and changed its name to PolyMet Mining Corp. in June 1998. PolyMet Mining Corp. was incorporated in 1981 and is headquartered in Saint Paul, Minnesota.

Southern Copper Corporation

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 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 five underground mines that produce zinc, lead, copper, silver, and gold; a coal mine that produces coal and coke; and a zinc refinery. The company has interests in 59,252 hectares of exploration concessions in Peru; 503,104 hectares of exploration concessions in Mexico; 229,312 hectares of exploration concessions in Argentina; 27,353 hectares of exploration concessions in Chile; and 7,299 hectares of exploration concessions in Ecuador. Southern Copper Corporation was incorporated in 1952 and is based in Phoenix, Arizona. Southern Copper Corporation is a subsidiary of Americas Mining Corporation.