Metallurgical Recovery Tests - Sulphide
The best results were from sulphide drill core ground to +/-80% -0.071 mm. Using various optimized two-stage cleaning locked cycle standard flotation tests on this material showed 87.8 to 89.1% recovery of copper producing a 25.78% to 30.9% copper concentrate.
Metallurgical Recovery Tests - Oxide
Tests were run on various size fractions: -20 mm, -10 mm, and -0.071 mm. The best recoveries were achieved by using the finest (-0.071 mm) fraction size. On this material, the best sulphuric acid leach test results achieved were 73.6 to 96.4% recoveries of copper.
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