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Capstone Copper Submits Environmental Permit for Mantos Blancos Phase II

June 20, 2026

2 min read

Key Takeaways

Capstone Copper submits environmental permit for Mantos Blancos Phase II.
Project aims to expand sulphide concentrator plant throughput capacity.
New equipment and upgrades to existing process operations are planned.
Construction expected to commence after environmental approvals.

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Strategic Implications

This submission may indicate Capstone Copper's commitment to sustainable growth and environmental responsibility, which could strengthen its position in the copper mining industry. The expansion suggests a focus on increasing production capacity, which may benefit the company's long-term operational continuity and profitability.

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What Happened

Copper Mining Company Expands Operations in Chile

Capstone Copper Corp. has submitted the Mantos Blancos Phase II Project to the Environmental Impact Assessment process, representing the next phase of growth for the company. The project aims to expand the sulphide concentrator plant throughput capacity to at least 27,000 ore tonnes per day. The expansion considers new equipment for concentrate filtration, thickening, and filtering of tailings, as well as upgrades to existing process operations. The submission of the full EIA permit application is expected to be followed by the release of a pre-feasibility study outlining further project details during Q3 2026, as reported by Unknown Source.

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