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Table 2 Measured inertinite reflectance and inferred burning temperatures of wildfire in the Lower Cretaceous coals, NE China

From: Characteristics of Early Cretaceous wildfires in peat-forming environment, NE China

Area Sample No. Effective points Measured inertinite reflectance (%Ro) Inferred burning temperature T** (°C)
Minimum Maximum Average
Hailar Basin 401 100 0.42 2.06 0.88 287.73
  407 101 0.51 1.60 0.77 274.78
  411 100 0.51 2.07 0.80 278.31
  416 101 0.44 1.43 0.90 290.08
  419 107 0.22 1.82 0.72 268.89
  426 101 0.47 0.99 0.73 270.06
  431 100 0.43 1.25 0.67 263.00
  436 100 0.37 1.30 0.68 264.18
  441 101 0.36 1.65 0.73 270.06
  446 70 0.34 1.44 0.72 268.89
  452 101 0.28 1.04 0.58 252.40
  455 100 0.52 1.17 0.76 273.60
Sanjiang Basin 302 103 0.63 2.05 1.01 303.04
  305 101 0.54 1.52 1.04 306.57
  310 100 0.59 2.07 1.24 330.12
  311 100 0.60 1.90 0.94 294.79
  313 101 0.70 2.06 1.04 306.57
Erlian Basin 201 105 0.34 1.00 0.64 259.47
203 97 0.62 1.88 1.02 304.22
204 102 0.28 2.08 1.05 307.75
205 102 0.38 1.67 0.86 285.37
206 101 0.42 2.06 1.03 305.39
207 100 0.40 2.07 1.05 307.75
208 101 0.59 2.07 1.06 308.93
209 100 0.63 2.06 1.22 327.77
210 105 0.44 1.36 0.71 267.71
211 103 0.31 1.17 0.68 264.18
212 100 0.57 1.36 0.88 287.73
213 100 0.43 2.06 0.93 293.62
214 101 0.43 1.86 0.83 281.84
215 101 0.53 1.73 0.78 275.95
216 104 0.36 1.95 0.80 278.31
217 101 0.53 1.64 0.99 300.68
218 101 0.38 1.58 0.65 260.64
219 67 0.40 1.01 0.59 253.58
220 102 0.61 2.07 1.24 330.12
14–1* / / 2.10 1.30 337.19
14–2* / / 2.80 2.00 419.62
14–3* / / 2.90 1.30 337.19
11–1* / / 3.00 2.00 419.62
11–2* / / 1.20 1.10 313.64
  1. *Data from the Tengger Formation of Huolinhe sag in Erlian Basin (Xu 2011)
  2. **T = 184.10 + 117.76 × %Ro (Jones 1997)