COPPER-GOLD DEVELOPMENT: Underground work begins at Boundary zone of Mount Polley mine

BRITISH COLUMBIA - Vancouver-based Imperial Metals has begun underground development to access the Boundary zo...

BRITISH COLUMBIA - Vancouver-based Imperial Metals has begun underground development to access the Boundary zone at its Mount Polley copper-gold mine near Williams Lake. This is the first time underground workings have been established at the mine.

A portal has been collared on the 876-metre bench of the Wight pit. A 500-metre-long ramp will be driven to reach the Boundary zone. The resource of the Boundary-Zuke zone is estimated to be 517,066 tonnes at 2.45% Cu, 1.50 g/t Au and 14.00 g/t Ag. The ramp is to be complete in Q3 2010, at which time underground exploration drilling will begin.

Imperial will also continue drilling the WX zone south of the Springer pit. In a news release the company said that assays from drill intercepts received to date have high gold-to-copper ratio. Drill hole WX10-06 cut 190.0 metres grading 0.53% Cu and 0.86 g/t Au starting at 97.5 metres depth with a 40.0-metre interval below 242.5 metres depth grading 1.30% Cu and 2.46 g/t Au.

In addition to high gold-to-copper ratio, the WX zone appears have considerable size potential. The combined mineralized interval length over a 421.7-metre length in drill hole WX10-08 is 362.3 metres consisting of 55.6 metres of 0.23% Cu and 0.35 g/t Au, 22.5 metres of 0.10% Cu and 0.23 g/t Au and 284.2 metres of 0.30% Cu and 0.55 g/t Au.

Mount Polley maps, photos and tables of drilling results are posted at www.ImperialMetals.com.

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