Table 1 The inertinite abundance and pO2 characteristics in Middle Devonian coals in China. IAVG: Mean inertinite abundance; N: Samples number; R: Percentage range; S: Standard deviation
Literature source | IAVG, % | N | R (min–max), % | S | pO2, % | Stage/Formation/Locality | Province |
|---|---|---|---|---|---|---|---|
Dai et al. 2006 | 0.1 | 8 | 0–0.7 | 0.2 | 14 | Dongganglingian (Givetian)/Qujing F./Luquan | Yunnan |
Han 1996 | 0.7 | 2 | 0.5–0.8 | 0.2 | 17 | Dongganglingian (Givetian)/Haikou F./Panzhihua Barley Field | Sichuan |
3.0 | 2 | 2.6–3.4 | 0.4 | 21 | Dongganglingian (Givetian)/Haikou F./Panzhihua, Shaping | Sichuan |