American Bonanza announced that they shipped their first gold production from the Copperstone mine, about 10 miles north of Quartzite, Arizona. The company reports that "the first concentrate shipment consists of 31.2 tons of concentrate grading an average of 22.8 ounces per ton of gold, containing an estimated 712 ounces of gold in concentrate." The mine is working to achieve the design gold production rate of approximately 3,000 ounces of gold per month. [Right, mine layout. Credit, American Bonanza]
Arizona's other lode gold mine, Gold Road, restarted production in August, 2010.
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