Mar 10, 2025
Optimum Block Size for Small Open Pit Porphyry Mines
Key Points Research suggests the optimum block size for a small open pit mine with a porphyry deposit is around 10m x 10m x 10m, balancing accuracy and computational efficiency. It seems likely that block dimensions are influenced by bench height (typically 10m), shovel width (around 3m), and deposit uniformity, but exact sizes vary by mine specifics. The evidence leans toward smaller blocks…