April 11 (Reuters) - Sierra Metals Inc:
* SIERRA METALS REPORTS FIRST QUARTER 2018 PRODUCTION RESULTS
* QTRLY SILVER PRODUCTION OF 0.6 MILLION OUNCES; A 15% DECREASE FROM THREE UNDERGROUND MINES IN LATIN AMERICA
* QTRLY COPPER PRODUCTION OF 8.1 MILLION POUNDS; AN 11% INCREASE, FROM THREE UNDERGROUND MINES IN LATIN AMERICA
* QTRLY ZINC PRODUCTION OF 18.2 MILLION POUNDS WAS FLAT, FROM THREE UNDERGROUND MINES IN LATIN AMERICA
* QTRLY TOTAL OF 557,710 TONNES PROCESSED; A 5% INCREASE, FROM THREE UNDERGROUND MINES IN LATIN AMERICA
* THREE UNDERGROUND MINES IN LATIN AMERICA ARE YAURICOCHA POLYMETALLIC MINE, BOLIVAR COPPER AND CUSI SILVER MINES Source text for Eikon: Further company coverage:
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