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    Bullabulling record gold for Minerals 260: pit economics and wall design insights

    December 15, 2025|

    Reviewed by Tom Sullivan

    Bullabulling record gold for Minerals 260: pit economics and wall design insights

    First reported on Australian Mining

    30 Second Briefing

    Minerals 260 has reported record gold intercepts at its Bullabulling project in Western Australia, with recent drilling returning some of the highest grades yet encountered at the site. The results come from reverse circulation and diamond holes targeting extensions of known lodes along the Bullabulling shear zone, a 30km-long structure historically hosting multiple open pits. For mine planners and geotechs, the higher-grade zones within this shear-hosted system could materially change pit shell economics, strip ratios and geotechnical design around steeper, deeper wall configurations.

    Technical Brief

    • Mineralisation style and continuity favour potential for tighter drill spacing to upgrade Inferred to Indicated resources.
    • Concentration of grade within narrow shear-parallel zones may localise geotechnical hazards such as weak gouge bands.
    • Shear-hosted geometry suggests pit wall design will need careful orientation relative to foliation and shear planes.

    Our Take

    Bullabulling’s record gold output adds to a cluster of Western Australian gold project stories in our database, alongside Brightstar Resources’ upgraded Menzies resource, signalling that mid-tier WA gold hubs are strengthening rather than consolidating into a few large operations.

    Within the 92 gold‑tagged pieces in our coverage, Australia features disproportionately, suggesting that assets like Bullabulling are competing for capital and mill capacity in an already crowded WA gold pipeline rather than in an under-supplied jurisdiction.

    For Minerals 260, having a performing Australian gold asset such as Bullabulling on the books can provide cash flow or balance-sheet strength that is often used in this market segment to underwrite exploration or diversification into other commodities without immediate external funding.

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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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