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    Copi critical minerals approval: design and infrastructure notes for mine planners

    May 27, 2026|

    Reviewed by Joe Ashwell

    Copi critical minerals approval: design and infrastructure notes for mine planners

    First reported on Australian Mining

    30 Second Briefing

    RZ Resources has secured New South Wales Government development approval for its $693 million Copi critical minerals project in the state’s far south-west, about 75km north-west of Wentworth and 180km south-west of Broken Hill, targeting first production in early 2029. The project will produce zircon, rutile and rare earth elements from strandline-style mineral sands, positioning Copi within an established Murray Basin mining corridor with existing haulage and export infrastructure. Geotechnical and civil design will need to address arid-zone tailings storage, groundwater management and long-distance power and road access in a remote environment.

    Technical Brief

    • Development approval triggers detailed mine planning, tailings storage design and environmental management plan finalisation.
    • Location in NSW far south-west implies long supply chains for reagents, fuel and maintenance support.
    • Arid climate conditions will necessitate high water-recovery tailings systems and robust dust suppression design.
    • Remote setting increases reliance on all-weather access roads and resilient power transmission or on-site generation.
    • Regulatory approval at state level de-risks subsequent financing, EPC contracting and long-lead equipment procurement.
    • Similar Murray Basin mineral sands operations provide analogue data for geotechnical parameters, pit slope design and tailings behaviour.

    Our Take

    RZ Resources’ planned ASX listing at a reported ~$1 billion valuation, noted in February coverage, suggests that securing approval for a A$693 million asset like Copi could materially de‑risk its equity story and improve terms for any future debt or export-credit support.

    With first production only targeted for early 2029, Copi’s long lead time means it will likely compete for contractors and equipment with other large Australian critical-mineral builds flagged in our Mining projects coverage, which can push up EPC and mining services pricing in remote regions such as far south‑western NSW.

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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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