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    Clarence Stream valuation uplift: Stormlands model economics for project teams

    September 15, 2026|

    Reviewed by Joe Ashwell

    Clarence Stream valuation uplift: Stormlands model economics for project teams

    First reported on MINING.com

    30 Second Briefing

    Stormlands Mining’s updated economic model for Galway Metals’ Clarence Stream gold‑antimony project in New Brunswick lifts project NPV 52.8% to US$676.1 million at a 5% discount rate, using a gold price of US$4,245.22/oz and antimony at US$31,000/t. The 2026 MRE‑based case raises projected life‑of‑mine revenue from US$4.23 billion to US$5.48 billion and EBITDA from US$2.93 billion to US$4.17 billion, with IRR increasing from 31.15% to 44.86% and payback shortened by about one year. Gold contributes over 95% of modelled revenue and almost all of the US$1.25 billion uplift, underlining strong price sensitivity ahead of the formal PEA.

    Technical Brief

    • Clarence Stream covers >60,000 ha with ~65 km strike along the Sawyer Brook fault system.
    • Intrusive bodies intersecting the Sawyer Brook fault are interpreted as the primary structural‑lithological controls on gold deposition.

    Our Take

    Stormlands Mining has now published similar AI-driven re‑ratings on Bralorne, Odienné and Fremont, and in each case in our database the uplifted NPVs at a 5% discount rate are materially higher than the original studies, signalling that Stormlands is positioning itself as a price- and optionality-optimist relative to most 43‑101 style base cases.

    Linking this Clarence Stream gold‑antimony valuation to Galway Metals’ July 2026 resource update suggests Stormlands is effectively stress‑testing the economic impact of recent tonnage and grade revisions rather than just applying a flat metal price deck, which could influence how juniors frame future technical reports in New Brunswick and beyond.

    With gold and antimony both tagged across more than 400 keyword‑matched pieces in our coverage, Clarence Stream’s heavy revenue dependence on gold implies that any future attempt to market it as a ‘critical minerals’ play will still be judged primarily against gold‑sector cost curves and financing benchmarks rather than antimony supply‑security narratives.

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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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