Other
Capstone Copper Submits Environmental Permit for Mantos Blancos Phase II
Capstone advances its Mantos Blancos Phase II EIA submission to support long-term growth while maintaining a focus on near-term execution.
Executive Summary
- Capstone Copper has formally submitted the Mantos Blancos Phase II Project to the Environmental Impact Assessment (EIA) process in Chile.
- The expansion targets a sulphide concentrator throughput increase from 20,000 tpd to at least 27,000 tpd.
- A pre-feasibility study (PFS) is expected in Q3 2026, with construction taking approximately one year post-approval.
- Expanded production is targeted for 2030–2031, supported by a new in-pit tailings storage facility.
Material Impact
- This is a Routine - Positive regulatory milestone. The EIA submission is a necessary step for a project not expected to produce until 2030–2031. It does not alter near-term production, cost, or cash flow profiles. The market's reaction (price appreciation from ~$10.84 post-Q1 earnings to $15.01) reflects broader optimism on the MBO ramp-up and Santo Domingo progress rather than this specific permit submission.
CS · Price
Company Overview
- Capstone Copper operates four producing assets: Mantoverde and Mantos Blancos in Chile, Pinto Valley in the USA, and Cozamin in Mexico.
- Mantoverde is a high-grade sulphide and oxide operation, 70% owned by Capstone (30% by Mitsubishi Materials).
- Mantos Blancos is a large-scale sulphide and oxide mine with significant copper and gold by-product credits.
- Pinto Valley is an open-pit copper mine facing water management challenges due to Arizona drought conditions.
- Cozamin is a smaller sulphide operation in Mexico known for low cash costs and high silver by-product credits.
More from Capstone Copper Corp.
Jul 06, 2026 · 23:04