Cameco re-enters underground development at Cigar Lake uranium mine

international-mining-logoCrews safely re-entered the main working level of the Cigar Lake mine, 480 m below surface, on February 10. Prior to re-entry, the mine was fully dewatered and the main shaft refurbished including installation of the ladderway, replacement of electrical and mechanical components, and extension of the in-shaft pumping system. The workings at the 420 m level, where the last inflow occurred, have been inspected and secured. It is the world’s largest undeveloped high-grade uranium deposit with Proven and Probable reserves of more than 226.3 Mlb U3O8 at an average grade of 20.7% (Cameco’s share - 113.2 Mlb). (more…)

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