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    Ionic’s 2027 IPO and Silicon Ridge rare earths: project economics for mine planners

    February 5, 2026|

    Reviewed by Joe Ashwell

    Ionic’s 2027 IPO and Silicon Ridge rare earths: project economics for mine planners

    First reported on MINING.com

    30 Second Briefing

    Utah-based Ionic Mineral Technologies is preparing a 2027 IPO for its Silicon Ridge ion-adsorption clay rare earths project, having hired Citigroup and targeted offtake agreements and scale-up funding before listing. The fully permitted, shovel-ready project near Provo will leverage an existing processing facility and hosts rare earths plus gallium, germanium and tungsten in a clay system similar to those supplying roughly 35–40% of China’s rare earth output. An economic assessment is due in H1 2026, with the US planning a $12 billion critical minerals stockpile and a preferential trade bloc with the EU, Japan and Mexico.

    Technical Brief

    • Silicon Ridge mineralisation occurs in ion-adsorption clays, enabling leaching-style extraction rather than hard-rock comminution.
    • Ionic reports the IAC system is analogous to Chinese clays supplying ~35–40% of China’s rare earth output.
    • CEO Andre Zeitoun describes a “faster, cleaner” extraction route than conventional hard-rock rare earth mining.
    • The deposit reportedly hosts up to 16 critical elements, including gallium, germanium and tungsten alongside rare earths.
    • Ionic has already publicly labelled Silicon Ridge as one of North America’s most “significant” critical mineral finds.
    • An existing processing facility in Provo is expected to be repurposed rather than greenfield-built, reducing construction scope.
    • Citigroup has been mandated to structure and manage the listing process for the planned IPO.

    Our Take

    Citigroup’s role around Ionic Mineral Technologies comes against a backdrop of its repeated appearance in our recent metals coverage, including calls on record copper and precious metals prices, suggesting the bank is positioning itself as a key intermediary in US critical minerals and metals financing.

    A Utah-based rare earths and critical minerals project like Silicon Ridge sits in a US jurisdiction that is already moving to build a strategic stockpile—our database tags this as a $12 billion ambition—which is likely to support offtake negotiations and underpin a 2027 IPO narrative.

    Hosting 16 different elements, including gallium, germanium and tungsten, puts Silicon Ridge into the multi-element critical minerals camp rather than a single-REE play, which typically improves optionality for offtake structures but complicates flow sheet design and permitting compared with more conventional rare earth deposits in our mining project coverage.

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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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