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MEI Online: Plant Operation News: Middle East & Asia: April 30th 2002


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:: Ivanhoe Mines Begins Gold and Silver Production at new Eunsan Mine in South Korea

Ivanhoe Mines have announced the start of production at the company's new Eunsan Mine, which is the only gold and silver mine operating in South Korea.

The Eunsan mill currently is processing stockpiled open-pit ore. The mine will follow an orderly ramp-up schedule, blending the stockpiled ore with increasing proportions of higher-grade underground ore. When underground operations reach commercial scale, Eunsan is expected to be mining and milling approximately 150 tonnes of ore per day, and producing up to 50,000 ounces of gold and 118,000 ounces of silver on an annual basis, for at least two years.

The Eunsan Mill flowsheet is straightforward and poses no environmental hazards. The mill uses simple flotation processes to produce a high-value concentrate that is smelted on site to produce gold and silver dore bullion for sale in the local market. The silver and gold content in the dore is typically in excess of 95%. The Eunsan refinery can refine the dore into its pure gold and silver components. Recoveries of precious metals from the oxidized, open-pit ore currently are approaching 85%, and recoveries from the underground sulphide ore are expected to reach 95%. No environmentally harmful chemicals are used in the milling or refining processes.




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