Mercator Minerals Ltd. operates as a base metals mining company in the United States. The company has interests in the Mineral Park Mine, which explores for copper/molybdenum/silver located in Arizona, the United States. It also owns two development projects in Sonora, Mexico; and the copper heap leach El Pilar project, as well as owns the El Creston project that explores for molybdenum/copper. The company was formerly known as Silver Eagle Resources Limited and changed its name to Mercator Minerals Limited in March 2001. Mercator Minerals Ltd. was founded in 1984 and is based in Vancouver, Canada.