Clustering object | Per unit area yield (Million tons/month) | Mining efficiency (Tons per work) | equipment investment (Million yuan) | Mining cost (Yuan/ton) |
Fully mechanized mining | 4.34 | 16.37 | 2046 | 10.2 |
Top grade general mining | 1.76 | 10.83 | 1096 | 18.67 |
General mining | 1.08 | 6.32 | 523 | 13.72 |
Blasting mining | 1.44 | 4.81 | 250 | 9.43 |