Northern Star starts Thunderbox expansion
PERTH (miningweekly.com) - Gold miner Northern Star Resources has awarded ASX-listed GR Engineering Services a A$101-million engineering, procurement and construction (EPC) contract for the Thunderbox six-million-tonne-a-year expansion project, in Western Australia.
The expansion project will increase the Thunderbox mine’s hard rock processing capacity from the current three-million tonnes a year to six-million tonnes a year, and will decrease processing costs by around A$5/t, to around A$100/oz of gold.
The expansion project will cost an estimated A$180-million, and will see the installation of a new 18 MW mill and classification circuit, new leach tanks, elution and gold room upgrades, new tailing thickener and tailings pumping.
The GRG Engineering contract will involve the design, EPC and commissioning of the expansion project, with work set to start immediately.
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