Unity's cost cuts take shape at Dargues
PERTH (miningweekly.com) – Gold developer Unity Mining has identified initial cost savings at its Dargues gold mine, in New South Wales.
The ASX-listed company halted development of Dargues in November last year, as it launched technical optimisation studies aimed at saving some A$30-million at the project over the initial five-year mine life.
Unity told shareholders on Friday that a detailed review of the mining method had now identified a cost saving of between A$4-million and A$5-million over the initial five-year mine life, by changing the proposed mining method from a “top-down” to a “bottom-up” strategy.
The “bottom-up” mining method would also deliver greater schedule flexibility by providing multiple independent mining areas, improved the geotechnical regime using sequenced stoping, and a reduction in backfill operating costs and infrastructure requirements.
The proposed method would also improve the potential to extract the mine’s crown pillar.
Unity said that work was currently also under way to optimise the design, procurement and project management strategies for both on-site and off-site process plant solutions, which would yield the bulk of the A$30-million cost savings.
A previously completed definitive feasibility study has shown that the Dargues project could produce 50 000 oz/y of gold, with an underground mine delivering around 330 000 t/y of ore.
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