Arizona Sonoran Copper Company (ASCU) is actively working to restart the (the former ASARCO Sacaton Mine), located just outside of Casa Grande, Arizona . The project aims to transform this brownfield site into one of the largest copper cathode producers in the United States. Project Overview and Economics
According to the October 2025 Pre-Feasibility Study (PFS), the Cactus Project is envisioned as a long-life, low-cost operation with the following key highlights: Arizona Sonoran Copper aims to restart Cactus mine
Underpinned by approximately 5.3 billion pounds of copper mineral reserves. Restart Timeline and Milestones Arizona Sonoran Copper Company (ASCU) is actively working
Target for the first sustainable cathode production . Strategic Advantages Restart Timeline and Milestones Target for the first
Features an after-tax Net Present Value (NPV) of US$2.3 billion and an Internal Rate of Return (IRR) of 22.8% based on a copper price of $4.25/lb.
Anticipated completion of the Definitive Feasibility Study (DFS) and receipt of major permit amendments (including Aquifer Protection and Industrial Air permits). Q4 2026: Target for a Final Investment Decision (FID) . 2027: Expected initiation of mine construction.