Royal Oak's Kemess Mine Achieves Design Criteria for Processing Hypogene Ore.
During the period to date, the mill has processed approximately 2.5 million tons of ore at an estimated head grade of 0.211 percent copper and 0.016 ounces of gold per ton. Milling rates of between 50,000 and 60,000 tons per day are being consistently achieved. After making modifications to the flotation circuit, copper and gold recoveries of 80 percent and 75 percent, respectively, are now being achieved. These recoveries compare with the estimated recoveries for 1998 of 78 percent copper and 71 percent gold. The concentrator has produced approximately 11,500 tons of concentrate containing between 25 percent and 26 percent copper and between 1.3 and 1.7 ounces of gold per ton during the period.
The Company plans to commence processing softer supergene ore at the end of this week after completing the current campaign on hypogene ore. The supergene commissioning period is expected to be completed by the end of September when commercial production is expected to commence.
The Company knows of no impending news or other market factors to explain the weakness in the price of its common shares.
CONTACT: Royal Oak Mines Inc.
Mr. J. Graham Eacott, 425/822-8992
David Williamson Associates
Mr. David Williamson, 011/44-171-628-3989
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|Date:||Aug 18, 1998|
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