Workers at Chile's Centinela copper mine strike after talks fail

SANTIAGO, Oct 7 (Reuters) - Two unions at Chile's Centinela copper mine rejected further contract talks with Antofagasta Minerals (ANTO.L), opens new tab on Wednesday and decided to strike after government-mediated negotiations failed to produce a deal.

The risk of a strike ⁠in Chile, the world's largest copper producer, had been supporting global prices as output of the metal has been constrained by operational disruptions, natural events and declining ore grades.

Adds details, Antofagasta statement in bullets

Reporting by Fabian Cambero; Writing by Gabriel Araujo; Editing by Aida Pelaez-Fernandez

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