Osisko Development Corp. announced positive results from an ore sorting testing program conducted on a bulk tonnage sample from its Cariboo Gold Project in British Columbia, Canada. The testwork, performed on approximately 80 tonnes of material from the Lowhee Zone, demonstrated gold recoveries, mass pull, and upgrade ratios consistent with the assumptions outlined in the 2025 Feasibility Study.
The program utilized an x-ray transmission (XRT) sensor to efficiently separate unmineralized sandstone from gold-associated sulfide material. Notably, positive results were achieved on a previously unassessed 6–10 mm particle size fraction, showing an impressive 92% gold recovery.
The ore sorter pre-concentrate circuit is designed to reduce waste material processed, lowering operational costs and improving overall gold recovery. These results technically de-risk the project and reinforce the economic viability projected in the 2025 FS, contributing to a more robust financial performance for the Cariboo Gold Project.
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