Wonawinta Silver and Mt Boppy Gold Mines (Cobar Basin), NSW
Manuka Resources Limited (MKR) | Updated Cobar Basin PFS (amended announcement) | Released 23 Mar 2026
Inferred share: Inferred 14% of production target
Figures are as the company states them, in its currency and on its basis. "Not disclosed" means the release doesn't state the figure.
Planning inputs
Inferred 14% of production target | Overall 31° to 48° (new pits); batter 65° and 70° (Manuka, Boundary) | Dilution built into model | Contractor mining; owner-operator in some pit costs
Also in the release
Average C1 cost A$34.4/oz silver (including gold credits). Existing 1Mtpa CIL plant gets a new desliming circuit. Excluding all Inferred material, NPV8 is A$561.6M.
Read the release on the company's siteAdded to the tracker; released before the first issue of The Study Sheet.
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