Springfield Coal Member quality data points (0)
Springfield Coal Member petrography data points (1)
Springfield Coal Member NCRDS data points (2)
| Core |
| Geophysical log |
| Rotary and core |
| Rotary |
| Non-core rotary |
| Outcrop |
| Surface mine description |
| Underground mine description |
Springfield Coal Member heating value [btu/lb, dry basis] (3)
| Less than 10,500 |
| 10,500 to 11,000 |
| 11,000 to 11,500 |
| 11,500 to 12,000 |
| 12,000 to 12,500 |
| 12,500 to 13,000 |
| 13,000 to 13,500 |
| Greater than 13,500 |
Springfield Coal Member projected extent (4)
Springfield Coal Member moisture content [%] (5)
| Less than 5% |
| 5 to 7.5% |
| 7.5 to 10% |
| 10 to 12.5% |
| 12.5 to 15% |
| 15 to 20% |
| Greater than 20% |
Springfield Coal Member sulfur content [%, total, dry basis] (6)
| Less than 0.5% |
| 0.5 to 0.75% |
| 0.75 to 1.0% |
| 1.0 to 1.25% |
| 1.25 to 1.5% |
| 1.5 to 2.0% |
| 2.0 to 3.0% |
| 3.0 to 4.0% |
| 4.0 to 5.0% |
| Greater than 5.0% |
Springfield Coal Member ash content [%, dry basis] (7)
| Less than 5% |
| 5 to 7.5% |
| 7.5 to 10% |
| 10 to 12.5% |
| 12.5 to 15% |
| 15 to 20% |
| Greater than 20% |
|
