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Antipa Minerals is moving towards a major development milestone at its Minyari Dome gold-copper project in Western Australia, with a pre-feasibility study (PFS) expected in November following extensive mine scheduling and processing optimisation work.
The company’s September quarterly activities report confirmed the principal technical workstreams had been completed, with updated capital costs, operating estimates and financial modelling being finalised ahead of the study’s release.
The PFS will provide a clearer picture of the development potential of Minyari Dome, located in WA’s Paterson Province, approximately 35km from Greatland Resources’ Telfer gold-copper mine.
As previously reported, Antipa selected a processing configuration in September comprising conventional carbon-in-leach (CIL) gold doré production, followed by flotation of primary ore residue to produce a separate copper concentrate.
The decision followed an assessment of five processing alternatives and their potential effects on capital efficiency, operating costs and project economics.
With the processing pathway established, Antipa has focused on optimising mine schedules to bring higher-grade material into production earlier, reduce pre-production waste movement and improve project payback.
The work also considered the timing of underground development alongside proposed open-pit operations, with the findings to inform Minyari Dome’s next stage of feasibility and project planning.
The development hosts a mineral resource of approximately 2.5 million ounces of gold, equivalent to 3.2 million ounces when including associated metals.
Meanwhile, exploration across Antipa’s broader Minyari project continued to strengthen its resource growth opportunities.
The company’s 2026 Phase 1 drilling campaign had completed 330 holes totalling 42,248m by October 15, with results reported for 314 holes covering 37,225m.
At Tim’s Dome, drilling has extended the mineralised footprint to approximately 2.2km, while diamond drilling from surface is testing a substantial airborne electromagnetic conductor beneath the prospect.
The target is being evaluated for potential Telfer-style gold-copper mineralisation, with further geological interpretation and assay results required to determine its significance.
Elsewhere, drilling at Fiama North extended gold-copper mineralisation to approximately 160m of strike and 200m below surface, building on earlier high-grade discoveries within the broader Minyari Dome precinct.
Regional exploration also identified a coherent 2km-long gold-copper anomaly at AL01, alongside three additional anomalies extending between 500m and 700m.
Antipa finished the September quarter with $28 million in cash and no debt, following approximately $11.5 million in exploration expenditure.
With the PFS approaching completion, the company’s next priorities include finalising project economics, assessing outstanding exploration results and progressing environmental, regulatory and financing-related activities.
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