All-time high

On December 14, 2010 at 7pm, a mega blast was detonated at Boliden’s Aitik copper mine situated 100km north of the Arctic Circle in Sweden

The charge was loaded with 1,327t of explosives distributed across 1,220 blast holes of 165mm in diameter, and 431 holes of 125mm diameter.

The blast released a total of 3.7Mt of rock.

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