Exploration/Development, Gold, News

Wiluna updates reserves after hitting bonanza grades

gold mining

Wiluna Mining has intercepted bonanza-grade gold assays from resource development drilling at the Happy Jack and East Lode zones within the Wiluna Mining Centre in Western Australia.

Multiple rigs are currently drilling to further infill and grow the large-scale, high-grade gold system at the site, with the intention to update the mineral resource and ore reserve estimates as part of the company’s stage two feasibility study.

Happy Jack and East Lode are initial mining areas in Wiluna Mining’s sulphide development plan, where redevelopment of the underground operation is well advanced ahead of imminent production.

According to a company statement, the program is expected to increase the resource grade, with demonstrated high grades at good mining widths intersected beyond the current resource limits.

“The current high-grade resource at the Wiluna Mining Centre, above a 2.5 grams per tonne (g/t) cut-off, is 26.9 million tonnes at 4.89 g/t and the historic mined grade was considerably higher at 7 g/t to 11 g/t depending on the ore zone,” Wiluna Mining stated.

“It is considered that with results like these, the mined grade will increase when stoping commences in previously unmined areas in the September quarter this year.

“Increasing the mined grade at Wiluna is extremely important because every 1 g/t increase in grade adds an additional 25,000 ounces per annum (ozpa) to production in stage one, increasing to an additional 50,000ozpa in stage two.”

According to the company, Wiluna’s gold endowment to date is over 10 million ounces, which ranks the company alongside an exclusive peer group of large-scale, long-life mining centres in the Western Australian Goldfields.

In May, Wiluna Mining began its expansion plans at the Wiluna gold mine after $93 million of equity and debt funding was secured to double the mine’s production rate.

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