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    Rincon’s Telfer South expansion: deeper targets and design notes for mine planners

    April 17, 2026|

    Reviewed by Joe Ashwell

    Rincon’s Telfer South expansion: deeper targets and design notes for mine planners

    First reported on Australian Mining

    30 Second Briefing

    Exploration activity is ramping up across Australia, with Rincon Resources expanding gold–copper targets at its Telfer South project, Hillgrove Resources progressing work at the Kanmantoo copper mine, and Auravelle Metals advancing its battery metals portfolio. Rincon is extending drilling and geophysics south of Newcrest’s Telfer operations, targeting deeper intrusive-related mineralisation, while Hillgrove focuses on resource growth and underground potential at the existing open pit. For geotechs and mine planners, the work signals more near-mine drilling, deeper targets and potential future cutbacks or underground access designs.

    Technical Brief

    • Near-mine exploration intensity around existing pits suggests future requirements for wall stability reviews and cutback optimisation.

    Our Take

    Rincon Resources, Hillgrove Resources and Auravelle Metals appear together in other recent Australian exploration coverage in our database, signalling that all three are in an active capital deployment and drilling phase rather than just holding ground.

    With Australia dominating the 1219 Mining stories in our coverage, incremental target expansion at projects like Telfer South tends to be a precursor to more substantial resource definition campaigns once early contract work de-risks access and logistics.

    Hillgrove Resources’ recent profit uplift from the Kanmantoo underground copper mine suggests it may have more internal cash flow to allocate to Australian exploration work, which could indirectly support or benchmark activity levels around projects such as Rincon’s Telfer South.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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