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    CME’s $8 trillion WA resources inventory: project pipeline signals for mine planners

    September 15, 2026|

    Reviewed by Tom Sullivan

    CME’s $8 trillion WA resources inventory: project pipeline signals for mine planners

    First reported on Australian Mining

    30 Second Briefing

    Western Australia’s known mineral and energy inventory has been valued at over $8 trillion in a new Chamber of Minerals and Energy of WA report, Unearthing Potential, which assessed 27 commodities including iron ore, LNG and critical minerals. The analysis finds that developing 80 per cent of identified resources could support multi-decade project pipelines, with major growth tied to battery metals, rare earths and gas. For miners and contractors, the scale signals sustained demand for new pits, tailings storage, ports, pipelines and power infrastructure across the state.

    Technical Brief

    • CME’s Unearthing Potential report explicitly scopes 27 distinct mineral and energy commodities across WA.
    • Valuation is limited to known, delineated inventories, excluding speculative or early-stage exploration targets.
    • Assessment aggregates both bulk commodities (e.g. iron ore) and higher-value critical minerals into a single resource ledger.
    • LNG and broader gas resources are treated alongside minerals, implying integrated planning for processing, pipelines and export terminals.
    • Multi-decade development horizon implies long-lived waste rock and tailings footprints requiring staged closure and rehabilitation strategies.
    • Scale of identified resources suggests sequential brownfield expansions around existing hubs rather than purely greenfield province openings.
    • Contractors can anticipate sustained demand for bulk earthworks, haul roads and geotechnical design for new and expanded TSFs.
    • For similar resource provinces, a consolidated cross-commodity inventory provides a basis for long-term infrastructure corridor and port capacity planning.

    Our Take

    An $8 trillion resource base in Western Australia sits against a backdrop of 1,270 mining stories in our database, where WA already dominates ‘Projects’ coverage, suggesting the state’s pipeline is likely to keep absorbing a disproportionate share of global project capital and technical talent.

    With 27 commodities examined and 80% of resources considered developable, the ‘Unearthing Potential’ work implies WA could materially influence supply for multiple critical minerals that feature heavily in our recent price and macro pieces (gold, copper, rare earths), giving local policymakers leverage over downstream processing negotiations.

    CME’s WA-focused assessment contrasts with related coverage where countries like Chile underutilise existing copper smelting capacity, signalling that WA’s challenge is less about resource endowment and more about building processing, infrastructure and permitting frameworks that avoid similar midstream bottlenecks.

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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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