| 煤样 | 镜质组最大反射率Ro/% | 显微煤岩组分含量 | |||
| 镜质组/% | 惰质组/% | 壳质组/% | 矿物质/% | ||
| CY | 0.43 | 22.8 | 68.1 | 2.2 | 6.9 |
| JM | 1.26 | 69.8 | 14.2 | 0.0 | 16.0 |
| WY3 | 3.27 | 61.8 | 29.6 | 0.0 | 8.6 |