Table 2 Main expense sources and costs of open pit mines.
From: Research on controlled mining of end slope fire-burned area in open-pit mine
Source of expenses | Average cost | |
|---|---|---|
Puncture blasting | Coal mining | 8.51yuan/t |
Stripping | 13.97 yuan /m3 | |
Mining and loading | Coal mining | 5.89 yuan /t |
Stripping | 9.98 yuan /m3 | |
Transportation | Coal | 11.57 yuan /t |
Rock | 15.34 yuan /m3 | |
Dumping | 7.31 yuan /m3 | |
Total coal cost Bc | 25.97 yuan /t | |
Total rock cost Bb | 46.6 yuan /m3 | |
