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    AIC Eloise expansion: plant performance and debottlenecking notes for engineers

    April 17, 2026|

    Reviewed by Tom Sullivan

    AIC Eloise expansion: plant performance and debottlenecking notes for engineers

    First reported on Australian Mining

    30 Second Briefing

    AIC Mines reported strong March quarter 2026 growth driven by the Eloise copper mine, where successful drilling extended high-grade mineralisation and a process plant expansion lifted nameplate throughput. The upgraded concentrator, incorporating additional grinding capacity and upgraded flotation cells, is targeting higher copper recovery and lower unit costs as ore feed ramps up. For engineers, the key watchpoints are how the expanded plant handles variable underground ore characteristics and whether further debottlenecking of crushing and tailings infrastructure will be required as throughput approaches design limits.

    Technical Brief

    • For similar brownfield copper operations, such phased debottlenecking allows incremental throughput gains without full greenfield capital.

    Our Take

    Recent coverage of AIC Mines shows Eloise and the nearby Jericho copper system in Queensland moving from resource growth (record reserves and depth extensions) towards integration and access development, so an expansion timed for the first quarter of 2026 likely leans on already de‑risked geology rather than greenfield assumptions.

    In our database of Mining–Projects pieces, AIC Mines appears repeatedly around Eloise regional copper targets being rapidly upgraded to prospects, signalling that any 2026 expansion at the Eloise mine is being framed as a hub for a broader district‑scale copper play rather than a stand‑alone asset.

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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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