Other Elements and Materials

Investors give lukewarm reception to giant Yukon copper mine study

Investors give lukewarm reception to giant Yukon copper mine study
Mining News Pro - Western Copper and Gold released a positive preliminary economic assessment for its Casino copper-gold-molybdenum project in Canada’s Yukon territory on Tuesday, but investors took the share down a notch despite a rally in the copper price.

Western lost as much as 2.4% on Tuesday in New York amid a generally positive day on copper markets, affording the company a market value of $306 million. Rio Tinto Canada in May invested C$25.6 million in Western for an 8% stake – the counter is up 16% since that announcement.

The PEA considered an open pit mine, 120,000 tonne per day concentrator, and a 25,000 tonne per day gold heap leach facility for an initial capital outlay of $3.25 billion and a 25-year mine life. Mineralized material totalling 1.3 billion tonnes will be processed.

Paul West-Sells, president and CEO, said the study “reaffirms Casino as one of the very few long-life copper-gold projects with robust economics in a top mining district, the Yukon.”

Western has been developing Casino since 2006 and already spent $75 million on the project in west central Yukon, 200km upstream of Dawson City along the Yukon river.

The study, based on an updated resource estimate from July last year, outlines an after-tax net present value (8% discount) of $2.3 billion and an after-tax internal rate of return of 19.5%. Cash flow over the first four years of operation would be $965 million per year at metal prices of $3.35/lb copper, $1,600/oz. gold, $24/oz silver, and $12/lb molybdenum.

The PEA also examined a second phase of development that would extend the mine life to a total of 47 years using the original concentrator and a secondary tailings facility. A combined phase one and two construction adds little to pre-production capital costs and only $1.1 billion to overall sustaining capital.

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