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 Address to refer: https://www.researchchannel.co.za/article/sierra-metals-lifts-bolivar-cusi-resources-2017-04-13
 Article Headline: Sierra Metals lifts Bolivar, Cusi resources
 Abstract: 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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