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Table 3 The inertinite abundance and pO2 characteristics in Late Triassic 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 IAVG, % N R (min–max), % S pO2, % Stage/Formation/Locality Province
Late Triassic
 Han 1996 19.5 3 15.6–26.1 4.7 26 Yazhiliangian (Carnian)/Maantang F./Zixing Hunan
7.9 1    24 Yazhiliangian (Carnian)/Maantang F./Yangmeishan Hunan
8.6 5 1.7–15.2 4.4 24 Yazhiliangian (Carnian)/Zijiachong F./Xiangdong area Hunan
 Yang 1996 28.4 9 16.8–37.8 6.7 28 Peikucuo Stage (Norian)/Daqiaodi F./Southwestern Sichuan Sichuan
23.2 4 13.1–36.8 9.3 27 Peikucuo Stage (Norian)/Xiaotangzi F./Tiefo Sichuan
 Han 1996 20.1 2 1.8–38.3 18.3 27 Peikucuo Stage (Norian)/Xiaotangzi F./Xiangyun Yunnan
14.4 4 10.1–19.5 3.9 25 Peikucuo Stage (Rhaetian)/Xujiahe F. Sichuan
26.3 4 10.8–35.3 9.7 27 Peikucuo Stage (Rhaetian)/Xujiahe F./Guangyuan Sichuan
 Yang 1996 7.4 2 7.2–7.6 0.2 23 Peikucuo Stage (Rhaetian)/Xujiahe F./Yipinglang Yunnan
24.0 1    27 Peikucuo Stage (Rhaetian)/Xujiahe F./Suijiang Yunnan
6.5 1    23 Peikucuo Stage (Rhaetian)/Xujiahe F./Zigui Hubei
5.8 2 5.4–6.2 0.4 23 Peikucuo Stage (Rhaetian)/Xujiahe F./Nanling Guangdong
16.8 1    26 Peikucuo Stage (Rhaetian)/Xujiahe F./Xingren Guizhou
 Zhuang et al. 2007 18.4 3   2.0 26 Peikucuo Stage (Rhaetian)/Xujiahe F. Chongqing/Hubei
 Querol et al. 2001 1.1 2 0.2–1.9   18 Peikucuo Stage (L. Triassic)/Anyuan F./Leping Jiangxi
 Han 1996 14.5 3 10.3–21.2 4.8 25 Peikucuo Stage (L. Triassic)/Anyuan F./Pingxiang Jiangxi
21.2 1    27 Peikucuo Stage (L. Triassic)/Anyuan F./Pingxiang Jiangxi
24.8 1    27 Peikucuo Stage (Rhaetian)/Wayaobao F./Ordos Basin Shaanxi