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    Anfield Energy’s Velvet-Wood uranium mine restart: design and safety notes for engineers

    August 29, 2026|

    Reviewed by Joe Ashwell

    Anfield Energy’s Velvet-Wood uranium mine restart: design and safety notes for engineers

    First reported on MINING.com

    30 Second Briefing

    Anfield Energy has completed the first underground blast in nearly 40 years at the Velvet-Wood uranium-vanadium mine in San Juan County, Utah, after securing an ATF blast permit in June and rehabilitating the first 700 ft of decline. Ground support now includes rock bolts, wire mesh, new haul roads, mucking, and installation of a primary surface ventilation fan with ducting, air and water lines, power and communications. A water treatment plant and dewatering pump are almost complete, enabling dewatering of historic workings and further underground development targeting 4.6 million lb eU₃O₈ (measured and indicated).

    Technical Brief

    • Velvet deposit’s legacy production of ~4 Mlb U₃O₈ (1979–1984) implies extensive old workings requiring rigorous re‑entry ground control and ventilation risk assessment.
    • Velvet-Wood lies ~322 km south of Salt Lake City, adding emergency response and medical evacuation distance considerations.
    • Historic workings dewatering will mobilise legacy water; the near-complete treatment plant enables controlled discharge meeting current environmental and radiological standards.
    • Target resource totals 4.6 Mlb eU₃O₈ (measured + indicated) plus 552,000 lb inferred, driving long-term ground support and ventilation planning rather than short-term “campaign” rehabilitation.
    • ATF blasting permit obtained in June introduces federal explosives storage, handling and record-keeping obligations on top of MSHA/OSHA mine-safety controls.
    • Two separate ore zones within Velvet-Wood require separate access and ventilation circuits, complicating escape-way layout and refuge/communications coverage.
    • Hub-and-spoke integration with the Shootaring Canyon Mill centralises processing, shifting more safety focus to haulage logistics and radionuclide transport compliance.

    Our Take

    With over 20 uranium assets in its pipeline and a central processing hub at the Shootaring Canyon Mill, Anfield Energy is positioning Velvet-Wood as part of a hub-and-spoke model that can make smaller Western US deposits economic under volatile uranium prices.

    Historic output of 4 million lb U3O8 at Velvet-Wood, combined with a current 4.6 million lb eU3O8 measured and indicated resource, signals that Anfield is leveraging known, previously mined ground rather than frontier exploration, which typically shortens timelines to meaningful production if permitting and safety performance hold.

    Among uranium-tagged pieces in our database, relatively few involve reactivation of historic US underground mines after multi-decade pauses, suggesting Velvet-Wood could be an early test case for how regulators and communities in Utah handle safety and environmental standards on legacy workings brought back into service.

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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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