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    Eldorado Gold 5% reserve uplift: design and scheduling notes for mine planners

    November 27, 2025|

    Reviewed by Tom Sullivan

    Eldorado Gold 5% reserve uplift: design and scheduling notes for mine planners

    First reported on MINING.com

    30 Second Briefing

    Eldorado Gold has increased proven and probable reserves by 5%, reporting 371.7 million tonnes at 1.05 g/t for about 12.5 million oz of contained gold as of end-September. The update materially extends mine life across its portfolio, with the grade sitting in the typical range for large open-pit and underground gold operations. Geotechnical and mine planning teams will need to revisit pit shells, underground stope designs and long-term tailings and waste storage requirements to accommodate the larger reserve base.

    Technical Brief

    • Classification follows CIM Definition Standards, implying geotechnical and hydrogeological data density adequate for “proven” status in key zones.
    • Updated reserves will drive revisions to life-of-mine strip ratios, haul profiles and crusher throughput envelopes.
    • Longer mine lives at multiple sites imply extended tailings storage facility operating horizons and deferred closure earthworks.
    • Underground operations will likely need additional levels, ventilation raises and secondary egress to match the new reserve envelope.
    • Surface infrastructure such as waste dumps, ore stockpiles and water management ponds must be checked against expanded spatial footprints.
    • For similar multi-asset mining portfolios, synchronising reserve updates across jurisdictions simplifies corporate-level capital allocation and risk modelling.

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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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