Table 1 Maceral and mineral compositions of the Lower Cretaceous coals in NE China
From: Characteristics of Early Cretaceous wildfires in peat-forming environment, NE China
Area | Sample No. | Total macerals (vol.%) | Total minerals (vol.%) | Percentage of maceral groups in the total macerals (vol.%, mmf) | Percentage of inertinite macerals in the total macerals (vol.%, mmf) | Huminite Reflectance (%Ro) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Huminite | Liptinite | Inertinite | Fusinite | Semifusinite | Sclerotinite | Macrinite | Micrinite | Inertodetrinite | |||||
Hailar Basin | 401 | 100.0 | 0.0 | 84.7 | 0.0 | 15.3 | 14.6 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.42 |
407 | 99.5 | 0.5 | 84.2 | 0.0 | 15.8 | 15.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.38 | |
411 | 99.8 | 0.2 | 79.4 | 0.0 | 20.6 | 18.2 | 2.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.43 | |
416 | 93.8 | 6.2 | 93.6 | 0.0 | 6.4 | 4.7 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.40 | |
419 | 97.4 | 2.6 | 87.2 | 0.0 | 12.8 | 12.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.42 | |
426 | 98.3 | 1.7 | 89.2 | 0.0 | 10.8 | 10.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.40 | |
431 | 98.8 | 1.2 | 90.9 | 0.0 | 9.1 | 9.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.39 | |
436 | 98.5 | 1.5 | 83.8 | 0.0 | 16.2 | 16.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.35 | |
441 | 100.0 | 0.0 | 81.4 | 0.0 | 18.6 | 18.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.40 | |
446 | 99.6 | 0.4 | 95.6 | 0.0 | 4.4 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.30 | |
452 | 99.4 | 0.6 | 67.2 | 0.0 | 32.8 | 32.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.32 | |
455 | 100.0 | 0.0 | 40.2 | 0.0 | 59.8 | 55.8 | 4.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.41 | |
Sanjiang Basin | 302 | 100.0 | 0.0 | 92.0 | 2.3 | 5.7 | 3.5 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.55 |
305 | 100.0 | 0.0 | 88.7 | 1.5 | 9.8 | 6.8 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.41 | |
310 | 99.8 | 0.2 | 74.9 | 0.8 | 24.3 | 19.2 | 5.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.57 | |
311 | 99.3 | 0.7 | 91.5 | 2.2 | 6.3 | 1.5 | 4.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.60 | |
313 | 99.0 | 1.0 | 88.1 | 9.2 | 2.7 | 0.0 | 2.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.44 | |
Erlian Basin | 201 | 99.2 | 0.8 | 64.2 | 1.2 | 34.6 | 6.5 | 15.0 | 0.0 | 0.0 | 0.0 | 13.1 | 0.32 |
203 | 98.1 | 1.9 | 68.7 | 5.4 | 25.9 | 4.9 | 4.2 | 0.0 | 1.2 | 0.2 | 15.4 | 0.40 | |
204 | 95.2 | 4.8 | 86.3 | 2.3 | 11.3 | 5.0 | 2.7 | 0.0 | 0.0 | 0.0 | 3.6 | 0.33 | |
205 | 91.0 | 9.0 | 89.2 | 1.5 | 9.2 | 1.3 | 2.7 | 0.0 | 0.0 | 0.0 | 5.2 | / | |
206 | 96.3 | 3.7 | 96.8 | 1.9 | 1.3 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 0.33 | |
207 | 94.2 | 5.8 | 98.7 | 0.6 | 0.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | / | |
208 | 92.0 | 8.0 | 29.3 | 9.5 | 61.2 | 20.4 | 19.7 | 0.2 | 5.0 | 0.0 | 15.9 | 0.42 | |
209 | 94.4 | 5.6 | 54.3 | 1.4 | 44.3 | 16.6 | 11.2 | 0.0 | 0.2 | 0.0 | 16.3 | / | |
210 | 98.0 | 2.0 | 31.1 | 2.2 | 66.7 | 33.1 | 17.9 | 0.6 | 0.6 | 0.0 | 14.5 | 0.39 | |
211 | 96.9 | 3.1 | 67.5 | 1.7 | 30.9 | 18.0 | 2.1 | 0.0 | 0.0 | 0.0 | 10.8 | / | |
212 | 94.6 | 5.4 | 14.4 | 0.6 | 85.0 | 39.5 | 11.9 | 0.0 | 0.2 | 0.0 | 33.4 | / | |
213 | 97.6 | 2.4 | 34.2 | 2.0 | 63.7 | 29.6 | 9.9 | 0.0 | 0.4 | 0.2 | 23.6 | / | |
214 | 98.0 | 2.0 | 58.8 | 6.1 | 35.1 | 7.4 | 14.9 | 0.0 | 1.0 | 0.0 | 11.8 | 0.34 | |
215 | 97.4 | 2.6 | 63.1 | 9.4 | 27.4 | 7.3 | 8.2 | 0.2 | 0.6 | 0.0 | 11.1 | / | |
216 | 89.0 | 11.0 | 95.1 | 3.9 | 1.0 | 0.2 | 0.0 | 0.0 | 0.2 | 0.0 | 0.6 | 0.32 | |
217 | 94.1 | 5.9 | 29.9 | 1.1 | 69.0 | 44.4 | 6.8 | 0.2 | 0.4 | 0.0 | 17.2 | / | |
218 | 97.2 | 2.8 | 83.7 | 15.0 | 1.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | / | |
219 | 82.3 | 17.7 | 99.3 | 0.5 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | / | |
220 | 98.8 | 1.2 | 32.1 | 0.4 | 67.5 | 19.9 | 27.2 | 0.0 | 0.2 | 0.0 | 20.2 | 0.36 | |
14–1* | 98.6 | 1.4 | 68.4 | 0.2 | 31.4 | 22.8 | 3.7 | 0.7 | 0.2 | 0.0 | 4.0 | / | |
14–2* | 97.6 | 2.4 | 76.2 | 1.4 | 22.4 | 8.1 | 3.6 | 0.4 | 0.0 | 0.0 | 10.3 | / | |
14–3* | 98.8 | 1.2 | 71.5 | 1.8 | 26.7 | 11.5 | 3.5 | 1.0 | 0.2 | 0.0 | 10.5 | / | |
11–1* | 99.1 | 0.9 | 14.9 | 0.5 | 84.6 | 54.2 | 6.1 | 0.2 | 1.9 | 0.0 | 22.2 | / | |
11–2* | 84.5 | 15.5 | 86.9 | 1.5 | 11.6 | 2.2 | 0.4 | 0.4 | 0.0 | 0.0 | 8.6 | / | |