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Strike Resolution at Mantoverde: Can Capstone Restore Full Output Smoothly?

Mining By Maxwell Dee 2 min read

Capstone 510 Copper Georgia Corp. has resolved the Mantoverde mine strike in Chile by ratifying a new three-year collective bargaining agreement, aiming to restore full production safely and efficiently.

  • Strike at Mantoverde mine ended after union ratifies new 3-year agreement
  • Agreement brings benefits to workforce and local communities
  • Production targeted to return to full levels following strike
  • Strike began in January 2026 and lasted just over a month
  • Capstone prioritises safe and responsible mining operations

Strike Resolution at Mantoverde

Capstone 510 Copper Georgia Corp. announced on February 5, 2026, that a new collective bargaining agreement was ratified by Union #2 at its Mantoverde mine in Chile, effectively ending a strike that began in January 2026. The strike had disrupted operations at one of Capstone's key copper assets, impacting production levels and raising concerns among investors and stakeholders.

Details of the Agreement and Impact

The newly ratified agreement spans three years and is designed to bring stability and mutual benefits to both the workforce and the surrounding communities. While specific terms were not disclosed, Capstone emphasised that the agreement supports safe and responsible mining practices. The company is now focused on returning production to full capacity, which had been operating at approximately 55% during the strike.

Broader Implications for Capstone

This development marks a significant step for Capstone as it seeks to maintain operational continuity and investor confidence. Labour disputes in the mining sector can have outsized impacts on production and share price, so the swift resolution is a positive signal. The company’s leadership, including CEO Cashel Meagher, has highlighted the priority of safely ramping up operations while maintaining strong community relations.

Looking Ahead

With the strike behind it, Capstone faces the challenge of restoring full production levels and demonstrating the financial benefits of the new labour agreement. The situation underscores the ongoing importance of labour relations in the mining sector, particularly in regions like Chile where union activity can significantly influence operations. Investors will be watching closely for updates on production ramp-up and any further disclosures on the agreement’s terms.

Bottom Line?

Capstone’s swift strike resolution sets the stage for a critical production rebound at Mantoverde.

Questions in the middle?

  • How quickly can Mantoverde return to full production capacity?
  • What specific benefits does the new collective agreement provide to workers and communities?
  • Could this agreement serve as a model for future labour negotiations at Capstone’s other operations?