Problem
Given the following information about an impending mining operation, calculate the amount of waste material generated over the life of the mine. Overall stripping ratio (SRo): 3.2 Mine life: 25 years Density of the ore: 2700 kg/m3 Density of the waste /overburden: 1750 kg/m3 Average Cu grade of the ore reserve: 2.9% Dimensions of ore reserve 2200m long, 345 m wide, 155 high (thickness) Mill recovery: 92.4%.