09:56 AM EST - Capstone Mining Corp. : announced its operating results for the three months ended March 31, 2013 of its two operating mines, Cozamin and Minto. Combined production totaled 18.6 million pounds of copper in concentrates, with additional by-products of zinc, silver, gold and lead. By-product production of 4.9 million pounds of zinc, 402,272 ounces of silver and 937,000 pounds of lead in concentrates. Final gold production is not available since assaying is conducted off-site, but is estimated at approximately 3,500 ounces for the quarter. Capstone Mining Corp.
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