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    Rox high-grade gold outside Youanmi plan: design and scheduling notes for mine planners

    April 21, 2026|

    Reviewed by Joe Ashwell

    Rox high-grade gold outside Youanmi plan: design and scheduling notes for mine planners

    First reported on Australian Mining

    30 Second Briefing

    Rox Resources has reported new high-grade gold intercepts outside the current definitive feasibility study mine plan at the Youanmi gold project in Western Australia, signalling potential to extend the planned underground and open-pit mining inventory. The discovery sits beyond the existing resource envelope defined in the DFS, which already targets redevelopment of historic workings and existing processing infrastructure on site. For geotechnical and mine planners, the step-out mineralisation may require updated pit shells, revised stope designs and additional drilling to constrain geometry, continuity and ground conditions.

    Technical Brief

    • Mineralisation style remains consistent with existing shear-hosted lodes, simplifying geotechnical and structural interpretation.
    • Additional drilling data will feed into updated resource wireframes and revised geotechnical domains for stope optimisation.

    Our Take

    Rox Resources’ recent final investment decision and $350 million funding package for the Youanmi gold project mean any high‑grade ounces discovered outside the current mine plan can now be evaluated as potential early-life feed or mine-life extensions rather than speculative upside.

    With MACA Interquip Mintrex already lined up as preferred EPC contractor for the Youanmi processing plant, incremental high‑grade gold discoveries in Western Australia can be folded into plant design and scheduling relatively quickly, influencing throughput and cut‑off strategies before detailed engineering is locked in.

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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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