"By mid-November a preliminary estimate (The Northern Miner, Nov. 16, 1967, p. 1) of 10, 000 tons per vertical foot for an 800-foot length in the A section of the deposit, had been made. The average grade for this tonnage was reported to be well in excess of 3 per cent Cu. A total of 15, 100 feet of drilling had been done on the property to this date, of which 11, 265 feet was in 34 holes on the No. 47 orebody. The length of the section for which the tonnage calculation was made was later revised to 753 feet. (The Northern Miner, November 23, 1967, p. 2). It was also reported here that the weighted average grade of all copper intersections within the 1,300- foot length of the No. 47 deposit was better than 3 per cent Cu after allowing for a dilution factor of 15 per cent. The ore minerals of the No. 47 deposit are primarily chalcocite and bornite. Preliminary flotation testing of the ore indicated that a concentrate grading 60 per cent to 68 per cent Cu could be produced (The Northern Miner, November 23, 1967, p. 2). The fact that a higher-grade concentrate than normal could be produced was considered to be an advantage in reducing shipping costs. "
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