Capstone Copper Corp. operates as a copper mining company in the United States, Chile, and Mexico. The company explores for copper, silver, zinc, and other metals. It owns interests in the Pinto Valley copper mine located in Arizona, the United States; Mantos Blancos copper-silver mine located in the Antofagasta region, Chile; Mantoverde copper–gold mine located in the Atacama region, Chile; and Cozamin copper-silver mine located in Zacatecas, Mexico. In addition, the company owns interest in the Santo Domingo copper-iron-gold-cobalt project located northeast of Mantoverde in the Atacama region, Chile; and a portfolio of exploration properties in the Americas. Capstone Copper Corp. is headquartered in Vancouver, Canada.