Orano Canada Inc. and Denison Mines Corp., as joint-venture partners in the McClean Lake Joint Venture (MLJV), announced on July 17, 2025, the successful start of uranium mining operations using the patented Surface Access Borehole Resource Extraction (SABRE) mining method.
SABRE mining of the McClean North uranium deposit commenced in June, with approximately 250 tonnes of high-grade ore, exceeding 10% U3O8, estimated to have been recovered from the first mining cavity. Orano Canada, the operator, has successfully backfilled the first cavity and commenced processing the recovered ore at the McClean Lake mill.
This milestone marks the MLJV's return to active mining operations for the first time since 2008, validating the long-term investment in research and development of the SABRE technique. Denison holds a 22.5% interest in the MLJV, which is expected to provide a new source of Canadian uranium supply.
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