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    Onaping Depth electric mine milestone: design and ventilation notes for engineers

    August 28, 2026|

    Reviewed by Tom Sullivan

    Onaping Depth electric mine milestone: design and ventilation notes for engineers

    First reported on International Mining – News

    30 Second Briefing

    Glencore Canada has completed the production shaft and achieved first orebody access at the Onaping Depth Project, a deep nickel operation developed within the existing Craig Mine in Sudbury. The project is being built as a fully electric, battery-powered underground mine, eliminating diesel mobile equipment and associated ventilation load for deep-level workings. Integrated into Glencore’s Sudbury Integrated Nickel operations, Onaping Depth is intended to extend the life of Craig Mine and support high-grade nickel supply from greater depths with reduced heat and emissions management challenges.

    Technical Brief

    • Shaft completion at Onaping Depth enables full-depth hoisting, materials handling and emergency egress configuration.
    • Orebody access allows establishment of initial development headings, ground support regimes and in-situ geotechnical verification.
    • Integration within the existing Craig Mine infrastructure constrains shaft collar location, services routing and materials flow paths.
    • Event involvement of government, Indigenous, union and community stakeholders signals permitting, social licence and labour-relations alignment.
    • Deep-level access now permits refinement of stress-modelling and seismic hazard assessments using actual rock mass response.
    • Electric-only mobile fleet planning will drive ventilation-on-demand design rather than diesel dilution sizing.
    • Being part of Sudbury Integrated Nickel operations allows shared backfill plants, maintenance facilities and power distribution optimisation.
    • Similar deep electrified mining projects can benchmark Onaping Depth’s approach to brownfield integration and shaft-led access.

    Our Take

    In our database, Glencore appears both as a major producer (Sudbury Integrated Nickel) and as an active financier/offtaker in copper and battery metals deals, suggesting that a fully electric Onaping Depth could be positioned not just as a low-emission mine but as a flagship asset when negotiating future critical-mineral supply agreements.

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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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