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    Rio Tinto’s Western Range: design and brownfield tie‑in notes for mine engineers

    January 8, 2026|

    Reviewed by Joe Ashwell

    Rio Tinto’s Western Range: design and brownfield tie‑in notes for mine engineers

    First reported on Australian Mining

    30 Second Briefing

    Rio Tinto has started production at its Western Range iron ore project in the Pilbara, a replacement operation for depleting Brockman mines feeding the 45Mtpa Paraburdoo processing hub. The mine features a new primary crusher and overland conveyor system tied into existing Paraburdoo plant infrastructure, with autonomous haul trucks and drills integrated via the company’s Mine Automation System. For geotechs and civils, the brownfield tie-in to ageing haul roads, waste dumps and dewatering bores will drive ongoing slope stability, groundwater management and haul road upgrade work.

    Technical Brief

    • Ore from Western Range is planned to support Rio Tinto’s Pilbara blend supply portfolio to Chinese mills.

    Our Take

    Within our 525 Mining stories, Pilbara coverage is heavily weighted to iron ore expansions and replacement tonnes, so a close look at Rio Tinto’s Western Range signals how the major is planning to sustain long-term output as older Pilbara deposits mature.

    Rio Tinto features frequently in our project-tagged pieces as a benchmark operator in Australia, meaning design choices at Western Range – haulage configuration, processing flowsheet, and automation levels – are likely to influence what contractors and smaller Pilbara players view as ‘standard’ for new developments.

    With Western Range sitting in the same Pilbara region as several infrastructure-constrained juniors in our database, any rail or port integration details in this project will be closely watched by nearby operators seeking incremental access or potential shared-use leverage.

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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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