BRIEF-Golden Star Resources updates on total FY output
July 12 (Reuters) - Golden Star Resources Ltd
* Golden star announces commencement of stoping from Wassa Underground
* Commercial production has commenced at its Wassa Underground mine in Ghana
* Says Golden Star's total production in 2016 is expected to be between 180,000-205,000 ounces of gold
* Says Wassa Underground is expected to achieve commercial production in early 2017 Source text for Eikon: Further company coverage:
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