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Rio Tinto greenlights more underground mining at Diavik

Rio Tinto has approved a $40 million investment for the first phase of underground mining beneath the existing A21 open pit at its Diavik Diamond Mine in Canada's Northwest Territories.

Staff reporter
An aerial view of Diavik

An aerial view of Diavik

Based on the updated mine plan and production schedule including the A154N and A154S pipes, and subject to approval of the second phase of the A21 underground project, Diavik is now expected to end commercial...

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