LION COPPER & GOLD CORP.
For the period ended Feb 13, 2026. Filed Feb 18, 2026.
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Feb 13, 2026 · Filed Feb 18, 2026
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EX-99.1 · 22.2 PROCESS, INFRASTRUCTURE
22.2 PROCESS, INFRASTRUCTURE
The two phases of Nuton test work have confirmed the initial benchtop modeling, which predicted that Yerington sulfide ore could achieve copper recoveries exceeding 70% with implementation of Nuton leaching technologies. Optimizing the combination of leach additives and operational pH targets enhances the leach kinetics and reduces acid consumption. Air and hydraulic conductivity of Yerington sulfide ore is suitable for the planned irrigation rates.
Preliminary indications are that Yerington and Macarthur oxide materials are well-suited for ROM heap leaching. Yerington oxide is expected to achieve a total copper extraction of 68%. Macarthur oxide is expected to achieve a total copper extraction of 59%.
Portions of the MacArthur North Ridge and Gallagher "oxide" zones contain 20-30% transitional copper minerals which led to comparatively reduced empirical recovery historically.
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