BLAST FROM THE PAST THURSDAY - SISHEN RECORD BLAST!!

This is a photo taken of a record blast at Sishen mine on the 8th of April 1981, in which 7.2 million tonnes of rock was blasted with 2,427 tonnes of explosives. The length of the block was 2.6km. If you would like to feature a record blast from your mine in this weekly slot, please send me the details at: info@schoolofrockmining.com