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    Argo Queensland buys 70% of Daunia and Blackwater: planning shifts for mine engineers

    November 28, 2025|

    Reviewed by Joe Ashwell

    Argo Queensland buys 70% of Daunia and Blackwater: planning shifts for mine engineers

    First reported on Australian Mining

    30 Second Briefing

    Argo Queensland, a new vehicle backed by a European–Japanese investor consortium, has acquired a 70 per cent stake in BHP Mitsubishi Alliance’s Daunia and Blackwater coal mines in Queensland’s Bowen Basin. The deal covers large-scale open-cut metallurgical coal operations that currently use draglines, truck–shovel fleets and extensive rail load-out infrastructure feeding the Goonyella and Blackwater systems. For mine planners and geotechs, the ownership change signals potential shifts in strip ratios, pit expansion sequencing and capital allocation for haul road upgrades, waste dump design and progressive rehabilitation.

    Technical Brief

    • Argo Queensland is structured as a dedicated holding vehicle for the acquired Bowen Basin assets.
    • Similar partial divestments of mature mining assets are being used to recycle capital into lower-emission portfolios.

    Our Take

    A 70 per cent M&A stake in Bowen Basin coal mines positions Argo Queensland at the scale where, in our database, owners typically start to rationalise overlapping infrastructure such as CHPPs and rail load-outs to cut unit costs.

    Central Queensland coal assets in our recent Mining coverage often face tightening ESG and rehabilitation expectations, so a new controlling consortium will likely need to budget early for progressive closure works and water management upgrades alongside any production plans.

    Among the coal-tagged pieces in our database, Bowen Basin operations are some of the few that still attract sizeable ownership changes rather than pure offtake or contract-mining deals, signalling that buyers like Argo Queensland are still willing to take direct thermal and metallurgical coal exposure in Australia despite policy uncertainty.

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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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