Legend Mining Ltd. has received positive phase-1 metallurgical test-work results on samples from diamond drill hole RKD034 at Mawson prospect within the Rockford Project, demonstrating recovery of up to 98% copper and 97% nickel.
Strategic Metallurgy Pty. Ltd. was engaged to conduct preliminary flotation test-work to assess the ability to produce saleable nickel and copper concentrates from Mawson massive sulphide. Test-work utilized depression of iron sulphides to selectively float separate copper and nickel concentrate and the flotation regime utilized common flotation reagents.
Managing director Mark Wilson said, “The results of this first met test-work have demonstrated that premium nickel and copper concentrates can be produced by conventional means from Mawson samples. his successful outcome has significantly advanced and de-risked our project.”
Notable highlights from the test-work include confirming that Mawson massive sulphide responds well to conventional flotation:
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Rougher recovery up to 98% for copper and 97% for nickel was achieved
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Selective flotation demonstrated the ability to produce separate saleable copper and nickel concentrates – copper concentrate 31.8%, nickel concentrate 13.1%.
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Nickel concentrates highly desirable to market due to high Fe:MgO ratio (>300) with no other deleterious elements noted
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Optimization expected to yield further improvement on current results.
For more information: Legend Mining Ltd.
