Cosa Resources and Denison Mines Report Radioactivity Discovery at Murphy Lake North

Cosa Resources and Denison Mines have announced a significant discovery of anomalous radioactivity at their Murphy Lake North Project in the Athabasca Basin. During the winter 2026 drilling program, the exploration team intersected a 5.0-metre zone of radioactivity with peak levels reaching 13,900 counts per second (CPS). The project is a joint venture located strategically near IsoEnergy's Hurricane Deposit, a region renowned for high-grade uranium discoveries. This discovery marks a positive step in the ongoing exploration efforts to identify new uranium resources in the area. Investors are closely monitoring these early-stage results as they could impact the valuations of both companies. The discovery is expected to drive further interest in junior and mid-tier uranium miners operating in the Canadian basin.

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