Capstone Copper Corp. engages in the mining, exploration, and development of mineral properties in the United States, Chile, and Mexico. 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 iron oxide–copper–gold mine located in the Atacama region, Chile; and Cozamin copper-silver mine located in Zacatecas, Mexico. The company also owns interests in the Santo Domingo iron oxide–copper–gold project located northeast of Mantoverde in the Atacama region, Chile; and a portfolio of exploration properties in the Americas. The company is headquartered in Vancouver, Canada.