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    Guardian Metal’s Tempiute tungsten project: tailings expansion and recovery lens

    May 14, 2026|

    Reviewed by Joe Ashwell

    Guardian Metal’s Tempiute tungsten project: tailings expansion and recovery lens

    First reported on MINING.com

    30 Second Briefing

    Guardian Metal Resources has expanded its Tempiute tungsten project in Nevada by staking 193 additional claims, increasing its mineral rights footprint by more than 375% to capture what it believes is the full extent of historical tailings from the former Emerson mine. The skarn-type tungsten-zinc-copper-silver operation, located less than 250 miles from Guardian’s Pilot Mountain project, contains tailings from Union Carbide’s 1977–1984 production and has also shown gallium occurrences. CEO Oliver Friesen plans an auger drilling programme to characterise subsurface tailings for near-term tungsten recovery and reclamation, as tungsten prices hit record highs under tightened Chinese export controls.

    Technical Brief

    • Skarn-type mineralisation (W-Zn-Cu-Ag) suggests complex sulphide assemblages, influencing processing route and ARD risk.
    • Gallium occurrences introduce potential by-product recovery, affecting metallurgical testwork scope and circuit design.

    Our Take

    The prior US Department of Defense funding for the Pilot Mountain tungsten project signals that Tempiute, also in Nevada, could be well placed to compete for future strategic or stockpile-related support if US government concern over Chinese tungsten supply persists.

    With a market capitalisation of about US$638.5 million, Guardian Metal sits in the mid-tier bracket in our database, meaning a 375% footprint increase at Tempiute is material enough to influence portfolio risk concentration in Nevada for institutional investors tracking critical metals exposure.

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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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