impact delivers 100m sulphide intercept at broken hilljun 23, · voiseys bay carries resource grades of more than 1.6 per cent nickel and 0.9 per cent copper and now pushes out about 6,t of nickelcopper concentrate per day. curiously, whilst only a handful of impacts drill holes have penetrated the basal target unit in the little broken hill gabbro, all the holes have returned anomalous nickel
tailings tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed.. the extraction of minerals from ore can be done two ways placer mining, which uses water
antilles hits paydirt at historical cuban g mine thejun 22, · antilles g has hit paydirt at its la demajagua project in southern cuba, with resource drilling across the historical delita mine returning highgrade intercepts such as 27.5 metres at 7.2 grams per tonne g, including an impressive 7.65m at .5 g/t g and 273.9g/t silver from 6m downhole.
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