Table 3 The distribution of reactive and non-reactive macerals across various size fractions and density fractions, along with associated mineral matter.
Macerals | Raw Coal | Sub-Head | < 1.3 | > 1.3 to ≤ 1.4 | > 1.4 to ≤ 1.5 | > 1.5 to ≤ 1.6 | > 1.6 to ≤ 1.7 | > 1.7 to ≤ 1.8 | > 1.8 |
|---|---|---|---|---|---|---|---|---|---|
Sizes of + 1 to -3 mm Coals | |||||||||
Vitrinite Group (vol%) | 67.00 | 66.60 | 78.40 | 70.40 | 62.40 | 56.80 | 55.30 | 50.00 | 44.10 |
Inertinite Group (vol%) | 25.80 | 26.30 | 16.10 | 23.70 | 30.60 | 36.60 | 36.70 | 41.10 | 43.80 |
Mineral Matter (vol%) | 7.20 | 7.10 | 5.50 | 5.90 | 7.00 | 6.60 | 8.00 | 8.90 | 12.10 |
Sizes of + 3 to -6 mm Coals | |||||||||
Vitrinite Group (vol%) | 67.00 | 68.10 | - | 72.40 | 69.80 | 62.80 | 57.00 | 55.80 | 44.00 |
Inertinite Group (vol%) | 25.80 | 24.60 | - | 21.30 | 24.10 | 29.50 | 35.10 | 35.30 | 45.20 |
Mineral Matter (vol%) | 7.20 | 7.30 | - | 6.30 | 6.10 | 7.70 | 7.90 | 8.90 | 10.80 |
Sizes of + 6 to -13 mm Coals | |||||||||
Vitrinite Group (vol%) | 67.00 | 66.40 | - | 70.80 | 66.80 | 61.60 | 59.60 | 52.40 | 49.20 |
Inertinite Group (vol%) | 25.80 | 25.80 | - | 23.10 | 26.90 | 31.40 | 33.30 | 38.90 | 38.90 |
Mineral Matter (vol%) | 7.20 | 7.80 | - | 6.10 | 6.30 | 7.00 | 7.10 | 8.70 | 11.90 |
Sizes of + 13 to -25 mm Coals | |||||||||
Macerals | Raw Coal | Sub-Head | < 1.3 | > 1.3 to ≤ 1.4 | > 1.4 to ≤ 1.5 | > 1.5 to ≤ 1.6 | > 1.6 to ≤ 1.7 | > 1.7 to ≤ 1.8 | > 1.8 |
Vitrinite Group (vol%) | 67.00 | 67.30 | - | 77.80 | 67.40 | 62.60 | 60.40 | 57.60 | 51.80 |
Inertinite Group (vol%) | 25.80 | 25.60 | - | 16.40 | 26.50 | 30.70 | 31.90 | 33.50 | 37.30 |
Mineral Matter (vol%) | 7.20 | 7.10 | - | 5.80 | 6.10 | 6.70 | 7.70 | 8.90 | 10.90 |
