Emerging gold and silver producer Sumatra Copper and Gold (ASX:SUM) this month announced a high-grade reserve of 0.5 million ounces of gold equivalent for its Tembang project in Sumatra.Managing director Julian Ford said an ore reserve of this magnitude was a significant milestone for the company."Although we have taken a conservative approach, it is pleasing that we have further upside from the PSV mineralisation and from exploration upside," Ford said.
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