STREAM A: GRAND BALLROOM I STREAM B: GRAND BALLROOM II SESSION 3A: Blasting Impacts on Downstream Processes Session Chair: SESSION 3B: Rock Fragmentation - Models, Measurements and Control Session Chair: 1.20 pm - 1.40 pm A Simple Technique for Using High Energy in Blasting — S J Hawke and L A Dominguez Prediction of Rock Fragmentation Using a Gamma-based