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Sierra Metals lifts Bolivar, Cusi resources

Creamer Media Deputy Editor: North America
Toronto- and Lima-listed Sierra Metals has updated the compliant resources and reserves for both its Bolivar and Cusi copper mines, in Mexico’s Chihuahua state. At Bolivar, the Toronto-based miner reported a new probable reserve of 4.3-million tonnes grading 1.18% copper equivalent comprising 0.31 g/t gold, 0.85% copper, and 17.5 g/t silver. The indicated resource now stands at 9.3-million tonnes grading 1.23% copper equivalent, made up of 0.3 g/t gold, 0.9% copper and 18.1 g/t silver.

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