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17/06/19
18:25
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Originally posted by Krum:
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Ore Sorter, Ore Sorter, Ore Sorter. 2m wise Steinert XRT $1.7m, $2/t opex. Run around 90t/hr. 98% recovery of gold in Qtz from dyke or low grade ROM Would allow All Mines incl McN to be bulk mined but most especially the ladder works like at RoD. PS deposits like RoD are Always mines bulk, it’s not a choice, mining method is defined by geology not the other way. Can’t slice mine as wrong ground. Have to take the lot. If you have distinctly different rocks in the ROM especially hard diorite that flags crushers to bits, let the Sorter remove it. I said before the Sorter would allow 10t at 10g/t to become 1t at 100g/t and in brittle qtz to be fed to the plant. The 80,000t/yr nameplate is agnostic to the gold content, so feed it heaps of ultra high grade. And no I don’t work for Steinert, I’m just saying what can work.
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ore sorter will help especially at ROD but it’s not the holy grail . The oz still have to be extracted cost effectively . Will certainly help with plant constraints and tailings disposal at Morningstar though.