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SANTIAGO, May 2 (Reuters) - Antofogasta Minerals, Chilean subsidiary of Antofagasta Plc, said on Monday that it was submitting a $1.1 billion investment plan at its Los Pelambres mine to environmental regulators for approval.
In a press release, the company said the project will allow Los Pelambres to maintain its annual copper production at about 400 thousand tonnes. (Reporting by Gram Slattery)