12:00 PM EST - Silver Standard Resources Inc. : provided an update on the status of operations at the Pirquitas mine in Jujuy, Argentina and announced guidance for 2012. For the year 2011, the Pirquitas mine produced 7.1 million ounces silver, a 12% increase from 2010, despite unplanned plant down time of 11 weeks throughout 2011. Zinc production for 2011 totaled 10.1 million pounds and achieved forecast. Silver Standard Resources Inc.
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