Sierra Metals increases mineral reserve estimate by 86% for its Bolivar Mine, Mexico

Source: PR Newswire Published on Tuesday, May 22 2018
Related articles and keywords:   Mexico - Mine - Metals - Metal - Reserve
Total Probable Mineral Reserves for Bolivar are 7,925,000 tonnes averaging 19 g/t silver, 0.86% copper and 0.25 g/t gold, 1.14% CuEq** representing ...
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