MODELING BLAST MOVEMENT FOR GRADE CONTROL
2015-1-22 · Figure 2: A plan view of the pre-blast ore control block model. Black is very high grade ore (VHG), dark grey is high grade (HG), medium grey is medium grade(MG), and light grey is low grade (LG) ore type. Table 1: Statistics of the Ore Control Block Model Ore Type Cutoff (g/t) Average Grade (g/t) Tonnes Waste 0.0 0.200 71,280