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    St Barbara Touquoy restart and hub review: project economics for mine planners

    November 3, 2026|

    Reviewed by Joe Ashwell

    St Barbara Touquoy restart and hub review: project economics for mine planners

    First reported on MINING.com

    30 Second Briefing

    St Barbara will restart ore processing at the Touquoy gold mine in Nova Scotia on 3 November after provincial approval to reprocess about 3 million tonnes of ore through a refurbished mill that will ramp up through November and December, targeting roughly C$180 million in recovered gold. The company’s longer-term 15-Mile Processing Hub Project now faces a federal Impact Assessment Agency review, with potential implications for costs, permitting complexity and a planned mid-2028 construction start, prompting contingency plans to resume open-pit mining at Touquoy. St Barbara has also defined an initial underground resource at Old Austen Mine Down-Plunge of 500,000 oz in 4.8 Mt at 3.4 g/t, with stope-optimised geometry guiding an expanded drilling programme.

    Technical Brief

    • Mill refurbishments at Touquoy are complete, with commissioning and operational ramp-up scheduled through November–December.
    • Atlantic Mining Nova Scotia secured provincial approval in April to reprocess ~3 Mt of ore at Touquoy.
    • The Impact Assessment Agency of Canada has imposed a federal assessment on the 15-Mile project, independent of prior provincial engagement.
    • St Barbara expects federal officials to complete the impact assessment before the targeted mid‑2028 construction start.
    • A three‑week engagement window with federal and provincial regulators is planned to clarify cost and schedule impacts.
    • Contingency planning includes resuming open‑pit mining at Touquoy if the 15‑Mile hub timetable slips.
    • Old Austen Down‑Plunge underground resource: 4.8 Mt at 3.4 g/t Au (~500 koz), constrained by stope optimisation.
    • An extensive drilling programme is planned at Old Austen to refine underground geometry and resource confidence.
    • Support for Canada’s proposed Bill C‑39 reflects industry pressure for defined federal permitting timelines.

    Our Take

    Our database links St Barbara’s Nova Scotia work at Touquoy and 15‑Mile with its New Simberi Gold Project Expansion in Papua New Guinea, indicating the company is trying to balance permitting‑heavy Canadian gold assets with offshore growth projects that are more focused on process technology upgrades.

    Nova Scotia appears frequently in our recent mining coverage for regulatory streamlining and new geoscience tools, so the federal review hurdle at Touquoy likely becomes a bellwether case for how far those provincial pro‑development signals can offset federal impact assessment constraints on gold projects near Halifax.

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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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