The block model of ore body used in this study is 25 m × 25 m × 5 m blocks. The number of blocks is 92 on the axis x (easting), 106 on the axis y (northing), and 74 on the axis z (elevation). Each block is classified into ore or waste and includes information on mass. In addition, ore blocks have grades of copper and zinc assigned to them. The mean grade is about 0.84% for copper, and about 0.21% for zinc.