Table 2 Basic parameters of each extraction point.
From: Optimization of ore production scheduling strategy using NSGA-II-GRA in open-pit mining
Ore output point | Mining cycle | CaO grade fluctuation interval (% mass fraction) | MgO Average grade (% mass fraction) | Maximum ore output capacity in the cycle (t) | Unit extraction cost (CNY/t) |
|---|---|---|---|---|---|
I | 90 d | [0.5189, 0.5298] | 2.79 | 280,000 | [10.05, 10.2] |
II | 90 d | [0.5089, 0.5269] | 2.35 | 350,000 | [10.15, 10.25] |
III | 90 d | [0.4913, 0.5230] | 1.99 | 486,750 | [10.25, 10.4] |
