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    Generation Mining C$969m Marathon funding: capex and project metrics for engineers

    June 26, 2026|

    Reviewed by Joe Ashwell

    Generation Mining C$969m Marathon funding: capex and project metrics for engineers

    First reported on MINING.com

    30 Second Briefing

    Generation Mining has secured C$969 million of the roughly C$1‑billion capex needed for the Marathon copper‑palladium project in northern Ontario, including C$200 million from the Canada Infrastructure Bank, C$424 million in senior debt from Export Development Canada, ING Capital and Société Générale, and a C$240‑million streaming deal with Wheaton Precious Metals. The open‑pit operation, targeting 42 million lb of copper plus 168,000 oz of palladium per year over 13 years from 2028, shows an after‑tax NPV of C$1.07 billion and 28% IRR on C$992 million construction cost. Offtake for all copper concentrate is already committed, with half to Glencore for potential treatment through its Horne smelter and Canadian Copper Refinery.

    Technical Brief

    • Canada Infrastructure Bank package comprises C$110 million subordinated construction debt plus a C$90‑million overrun standby.
    • Senior debt tranche of C$424 million comes from Export Development Canada, ING Capital and Société Générale.
    • Generation has also arranged C$145 million in equipment leasing facilities for mine and plant fleets.
    • Wheaton streaming deal delivers first C$40 million now, with remaining funds drawn during construction.
    • Updated 2025 feasibility includes by‑product output of 38,000 oz platinum, 12,000 oz gold and 240,000 oz silver annually.
    • Wheaton receives first 150,000 oz payable gold, then 67% of remaining gold for life‑of‑mine.
    • Platinum stream grants Wheaton 22% of payable platinum up to 120,000 oz, then 15% thereafter.
    • Site work this summer includes soil sampling, prospecting and mapping along a 30‑km mineralised trend (Geordie, Sally deposits).
    • CIB’s pivot to critical minerals follows earlier support for Torngat Metals’ Strange Lake and Nouveau Monde Graphite financings.

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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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