Dyno Nobel announced 1,461 DigiShot Plus detonators were used in a record-breaking blast at the Renard kimberlite mine in Quebec. The company described it as the largest underground blast on record that has been initiated with their electronic initiation system.
The Renard mine called the stope shot a “Mass Blast,” Dyno Nobel reported. A total of 265,000 projected tons of explosives were used to load the shot. The downholes had a diameter of 6.5 in. and the upholes had a dimeter of 4.5 in., and all hole depths varied from 25 m to 65 m.
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