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DE GREY Mining has reported “excellent metallurgical results from initial testing” of Brolga mineralisation at its outstanding Hemi gold discovery in Western Australia, with conventional carbon-in-leach and sulphide flotation (incorporating pressure oxidation), showing recoveries of 93-96.3%.
Rocks through POX equals gold at Hemi
De Grey said other methods of oxidation would be assessed during ongoing testwork, with current examples of POX circuits being Macraes, Porgera, Lihir, various Carlin deposits in the USA and Alacer
Successful gold explorer is cashing up
Brolga getting bigger for De Grey
