Projects Overview

The Gunnison Project is located about 65 miles east of Tucson, Arizona, and aims to produce LME Grade A copper cathodes through an open pit heap leach and SX/EW operation over 21 years. It has an after-tax net present value (8%) of ~$2 billion and an internal rate of return (IRR) of 22.5% at a long-term copper price of $4.60/lb, with total copper production expected to reach 3.2 billion lbs. The project emphasizes sustainable mining practices and has current operating permits, facilitating a streamlined amendment process for further development.

Answer last refreshed: 2026-10-06