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Table 4 The inertinite abundance and pO2 characteristics in Early–Middle Jurassic coal-bearing strata in China. IAVG: Mean inertinite abundance; N: Samples number; R: Percentage range; S: Standard deviation

From: Characteristics and evolution of inertinite abundance and atmospheric pO2 during China’s coal-forming periods

Literature source I AVG, % N R (min–max), % S pO2, % Stage/Formation/Locality Province
Early Jurassic
 Yang 1996 3.5 2 2.8–4.2 0.7 21 Yongfeng Stage (Hettangian–Sinemurian)/Badaowan F./Karamay Xinjiang
9.5 2 8.0–11.0 1.5 24 Yongfeng Stage (Hettangian–Sinemurian)/Badaowan F./Wusu Xinjiang
14.8 5 11.0–18.4 2.4 26 Yongfeng Stage (Hettangian–Sinemurian)/Badaowan F./Changji Xinjiang
3.3 3 2.6–4.8 1.0 21 Yongfeng Stage (Hettangian–Sinemurian)/Badaowan F./Baicheng Xinjiang
39.5 3 38.0–40.5 1.1 29 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Hami Basin Xinjiang
4.7 2 4.3–5.0 0.4 26 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Hami Basin Xinjiang
36.5 3 24.3–43.1 8.7 29 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Yili Basin Xinjiang
49.0 3 40.7–61.5 9.0 30 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Yili Basin Xinjiang
18.3 3 13.6–21.8 3.5 26 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Baicheng Xinjiang
34.1 4 23.3–44.5 9.8 28 Liuhuanggou Stage (Pliensbachian–Toarcian)/Xishanyao F./Tarim Basin Xinjiang
20.4 1    27 Shihezi Stage (Aalenian–Bajocian)/Xiahuayuan F./Fangzi Shandong
 Potential evaluation of coal resources in Hebei 39.1 5 11.3–71.9 21.4 29 Shihezi Stage (Aalenian–Bajocian)/Xiahuayuan F./Xuanhua Hebei
Middle Jurassic
 Yang 1996 19.7 3 15.0–24.0 3.7 26 Shihezi Stage (Aalenian–Bajocian)/Xintiangou F./Xiwan Guangxi
19.0 1    26 Shihezi Stage (Aalenian–Bajocian)/Xintiangou F./Hualong Zhejiang
35.0 2 10.0–59.9 25.0 28 Shihezi Stage (Aalenian–Bajocian)/Xintiangou F./Guangwang Sichuan
71.5 2 69.1–81.5 7.3 31 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Dongsheng (Ordos Basin) Inner Mongolia
31.9 2 28.4–35.4 3.5 28 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Dongsheng (Ordos Basin) Inner Mongolia
50.3 4 48.1–54.3 2.5 30 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Ordos Basin Shaanxi
57.6 4 38.6–73.8 14.5 30 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Lingyan area Ningxia
56.3 4 46.7–69.8 9.3 30 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Huanglong Coalfield Gansu
45.2 4 38.3–57.1 7.3 29 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Longdong Coalfield Gansu
84.0 3 80.3–86.9 2.8 32 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Longdong Coalfield Gansu
48.0 1    30 Shihezi Stage (Aalenian–Bajocian)/Yan’an F./Longdong Coalfield Gansu
37.3 4 27.7–49.9 8.0 29 Shihezi Stage (Aalenian–Bajocian)/Datong F./Datong Basin Shanxi
26.6 2 22.3–30.8 4.3 28 Shihezi Stage (Aalenian–Bajocian)/Yima F./Yima Basin Henan
12.2 2 10.8–13.5 1.4 25 Shihezi Stage (Aalenian–Bajocian)/Xishanyao F./Junggar Basin Xinjiang
29.8 4 24.6–36.6 4.3 28 Shihezi Stage (Aalenian–Bajocian)/Xishanyao F./Junggar Basin Xinjiang
44.0 4 40.8–45.5 1.9 29 Shihezi Stage (Aalenian–Bajocian)/Xishanyao F./Tuha Basin Xinjiang
50.7 3 47.0–55.1 3.3 30 Shihezi Stage (Aalenian–Bajocian)/Xishanyao F./Yili Basin Xinjiang
68.1 3 57.2–77.8 8.4 31 Shihezi Stage (Aalenian–Bajocian)/Xishanyao F./Tarim Basin Xinjiang
1.7 3 1.1–2.4 0.5 19 Shihezi Stage (Aalenian–Bajocian)/Yaojie F./Wuwei-Tianzhu Basin Gansu
45.9 6 19.4–59.6 13.1 29 Manasi Stage (Bathonian–Callovian)/Toutunhe F./Minhe Basin Qinghai
66.5 1    31 Manasi Stage (Bathonian–Callovian)/Toutunhe F./Minhe Basin Qinghai
33.1 2 29.3–36.8 3.8 28 Manasi Stage (Bathonian–Callovian)/Toutunhe F./Minhe Basin Qinghai
24.0 2 23.2–24.7 0.8 27 Manasi Stage (Bathonian–Callovian)/Toutunhe F./Minhe Basin Qinghai