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Wonawinta processing plant restart, Australia

5th December 2025

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

     

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Name of the Project
Wonawinta processing plant restart.

Location
Cobar basin, New South Wales, Australia.

Project Owner/s
ASX-listed Manuka Resources.

Project Description
Manuka released a ten-year production plan in September 2025, based on its 100%-owned silver and gold assets, in the prolific Cobar basin. Manuka aims to restart silver and gold production at its existing one-million-tonne-a-year Wonawinta processing plant. 

The Cobar basin production target comprises the mining and processing of 10.9-million tonnes containing 19-million ounces of silver and 47 000 oz of gold.

Potential Job Creation
Not stated.

Net Present Value/Internal Rate of Return
At an assumed silver price of A$50/oz the project delivers an internal rate of return of 109% and a net present value, at an 8% discount rate, of A$101-million.

Capital Expenditure
A$18.9-million.

Planned Start/End Date
Manuka aims to restart production at the processing plant in the first quarter of 2026.

Latest Developments
None stated.

Key Contracts, Suppliers and Consultants
None disclosed.

Contact Details for Project Information
Manuka Resources, tel +61 2 7253 2020 or email admin@manukaresources.com.au.

Edited by Martin Zhuwakinyu
Creamer Media Senior Deputy Editor

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