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    Thiess–Yilgarn Iron two-year deal: production restart signals for mine planners

    April 30, 2026|

    Reviewed by Joe Ashwell

    Thiess–Yilgarn Iron two-year deal: production restart signals for mine planners

    First reported on International Mining – News

    30 Second Briefing

    Thiess has secured a two-year mining services agreement with Yilgarn Iron to restart iron ore production in the Koolyanobbing district of Western Australia, about 400 km east of Perth. The contract, formalised after a Letter of Intent signed in September 2025, runs to March 2028 and covers mine development and production activities to bring dormant pits back into operation. For contractors and suppliers, the deal signals near-term demand for load-and-haul fleets, drill-and-blast services and associated mine infrastructure in the Yilgarn region.

    Technical Brief

    • Restarting dormant pits will require pit dewatering, wall inspections and remediation of any weathered batters.
    • Reactivation of waste dumps and ROM pads will demand geotechnical checks on stability and trafficability.

    Our Take

    Thiess’ recent work on autonomous and hybrid haulage retrofits in Western Australia and the Hunter Valley, as covered in our database, suggests the Yilgarn Iron contract in the Koolyanobbing district is likely to benefit from a more technology‑rich fleet than earlier-generation iron ore contracts in the state.

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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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