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    Maritana’s Boorara drilling and 2027 restart: planning insights for mine engineers

    September 3, 2026|

    Reviewed by Joe Ashwell

    Maritana’s Boorara drilling and 2027 restart: planning insights for mine engineers

    First reported on Australian Mining

    30 Second Briefing

    Maritana Minerals has completed over 17,000m of reverse-circulation drilling in 119 holes at the Boorara gold project near Kalgoorlie, progressing it as the first planned ore source for the Black Swan processing hub ahead of a targeted mid-2027 restart. The campaign focuses on resource conversion and was run in parallel with grade-control drilling to tighten pre-production mine planning. For geotechnical and mine design teams, the dense drilling grid should materially refine orebody geometry, grade continuity and pit optimisation for the initial restart phase.

    Technical Brief

    • Reverse-circulation drilling was selected, implying dry sampling and good chip recovery in oxidised/saprolitic profiles.
    • The drilling campaign is explicitly framed as resource conversion, signalling infill of previously defined mineralisation envelopes.
    • Grade-control drilling run in parallel suggests early establishment of selective mining unit dimensions and dilution assumptions.
    • Tightened geological control at Boorara should directly inform initial pit shell selection and pushback sequencing for restart.

    Our Take

    The mid-2027 restart target for the Boorara gold project aligns with Maritana Minerals’ recent regulatory progress at the Black Swan processing hub, suggesting the company is sequencing approvals and drilling to feed a centralised processing strategy in Western Australia.

    Our database shows relatively few gold-project pieces in Western Australia that are explicitly targeting a 2027 horizon, which may give Boorara some timing advantage in securing contractors and mill capacity if broader gold-sector activity tightens later in the decade.

    The 119-hole resource-conversion campaign at Boorara is notable against other gold items in our coverage, where many near-term restarts are relying on smaller infill programs, implying Maritana is aiming for a more robust reserve base before committing to full restart capital.

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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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