Rincon Resources Extends Hasties Gold-Copper Zone with Two New Targets

Historic Data Unlocks New Prospects at Telfer South

Rincon Resources (ASX:RCR) has expanded the known gold-copper footprint at its 100%-owned Telfer South Project in Western Australia, identifying two additional targets through a detailed review of 478 historic rock-chip samples originally collected by Newcrest Mining in the 1990s. The Hasties Gold-Copper Zone now stretches over 1.1 kilometres of strike, with assays reaching 10.5 g/t gold and 0.13% copper, and remains open-ended.

Alongside this, a newly highlighted target dubbed Padion lies about 4 kilometres northeast of Hasties, boasting historic rock chips grading as high as 10.9 g/t gold and 1.5% copper over a 450-metre strike. These findings add significant depth to Rincon’s exploration pipeline at Telfer South, located roughly 10 kilometres southwest of the established Telfer Gold Mine in the Eastern Pilbara.

Strategic Exploration Backed by Joint Venture

The company’s technical director, Michael Griffiths, emphasised the importance of this second compilation of historic data, which augments the first batch released earlier this year. Rincon is now integrating these rock-chip results with extensive soil sampling data to refine its exploration model ahead of field activities slated for the June quarter, pending permitting.

This push is supported by Rincon’s multi-stage Farm-In and Joint Venture with Greatland Resources (ASX:GGP), announced in December 2025, which grants access to 200.8 square kilometres of tenements. The partnership aims to accelerate exploration and resource delineation, with Rincon focusing on the Hasties deposit as its primary target.

These developments build on the earlier discovery of a gold-copper trend exceeding 1 kilometre strike length at Hasties, which prompted Rincon to secure a $3.1 million capital raise in March to fund an expanded drilling program. The company expects to update its Mineral Resource Estimate (currently at 870,000 tonnes grading 0.96 g/t Au and 0.26% Cu) once the Q4 2025 drilling results are fully integrated, confirming mineralisation remains open at depth and along strike.

Additional Prospects and Future Drilling Plans

Beyond Hasties and Padion, historic assays reveal significant gold and copper grades at other prospects within the Telfer South Project, including Kirilli Hill and Frenchman’s, with copper values reaching as high as 36.3%. Rincon is prioritising surface sampling and drilling at these zones to expand the overall prospectivity.

While historic rock-chip data carries inherent limitations in spatial accuracy and representativity, Rincon has verified the results against certified laboratory reports and is applying modern geoscience techniques to maximise the value of legacy data. The company’s methodical approach reflects a broader strategy to unlock value from underexplored assets across its portfolio, which recently saw a strategic shift following the sale of the Laverton project and plans to JV or divest the West Arunta assets.

With exploration poised to ramp up, the market will be watching how Rincon leverages its joint venture with Greatland and historic data to potentially define a more substantial resource base at Telfer South, a project that sits in the shadow of one of Australia’s major gold-copper mines.