Capstone Mining Corp. is a Canadian mining company engaged in the production and development of and the exploration for base and precious metals in Canada, Mexico, Chile and Australia. Minto Explorations Ltd., a wholly owned subsidiary of the Company, owns and operates a copper-gold-silver mine located in Yukon Territory, Canada (the Minto Mine). Capstone Gold S.A. de C.V. (Capstone Gold), a wholly owned subsidiary of the Company, owns and operates a copper-silver-zinc-lead mine located in Zacatecas, Mexico (the Cozamin Mine). Far West Mining Ltd (FWM), a 70% owned subsidiary of the Company, owns 100% of Minera Santo Domingo SCM (Santo Domingo), which is advancing the Santo Domingo project, a large scale copper-iron-gold project in Chile. In October 2013, the Company announced that it has completed the acquisition of the Pinto Valley copper mine and the associated San Manuel Arizona Railroad Company from BHP Copper Inc., a subsidiary of BHP Billiton Ltd.