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

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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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