); 7—Sovetashen (Armenia); 8—Balvany (Hungary); 9—Kurdistan (Iraq); 10—Zuodeng (China); 11—Selong (Tibet); 12—Kamura (Japan); 13—Yangou (China); 14—Spiti (India); 15—Meishan (China); 16—Tulong (Tibet); 17—Ursula Creek (Canada); 18—Guryul Ravine (India); 19—Daxiakou (China); 20—Shangsi (China); 21—South

Figure 2. Tuned cyclostratigraphy of Chaohu and Daxiakou sections, South China. A: 405 k.y. cycle tuned Daxiakou gamma-ray (GR) series with filtered 405 k.y. cycles (Gauss filter, bandpass: 0.00248 ± 0.0005 cycles/k.y.). B: Evolutionary power spectrum with 500 k.y. sliding window with 2π multi

FIGURE 1— Location of the Daxiakou section of Xiakou Town, Xingshan County, western Hubei Province, South China.

FIGURE 13— Correlations of conodont zones and key elements from the IOB beds of the Daxiakou and Chaohu sections, South China. Conodont data from the Chaohu section are after Zhao et al. (2007 , 2008a) .

Fig. 11. T Hf2 ages of zircons from different PTB volcanic ash beds in South China. Daxiakou section is from Gao et al. ( 2013 ), Zunyi section is from Gao et al. ( 2015 ), and Meishan, Chaotian, Shangsi and Dongpan sections are from He et al. ( 2014 ).

Fig. 9. ε Hf ( t ) plots for zircons: (a) from the SHP section; and (b) of age c . 240–270 Ma different PTB sections in South China. Daxiakou section is from Gao et al. ( 2013 ), Zunyi section is from Gao et al. ( 2015 ), Meishan section, Chaotian section, Shangsi section and Dongpan

Figure 1. Generalized lithologic column, conodont biostratigraphy ( Wang and Xia, 2004 ; Zhao et al., 2005 , 2013 ), U isotopes, and Th/U ratios for the carbonate fraction, Daxiakou section, south China. Open circles are interpreted as outliers. LPME—latest Permian mass extinction; lst

Figure 1. A: Late Permian paleogeographic map (from http://www.scotese.com ), showing locations of studied sections at Chaohu and Daxiakou, South China. B: Field photo and interpreted cycles in Dienerian–Smithian interval at Chaohu. Nearly evenly spaced bundles of carbonate and claystone

); 3—northern Italy ( Twitchett and Wignall, 1996 ; Hofmann et al., 2011 ); 4—Jena, Germany ( Knaust, 2010 , 2013 ); 5—Utah, United States ( Fraiser and Bottjer, 2009 ; Hofmann et al., 2015 ); 6—Nevada, United States ( Mata and Bottjer, 2011 ); 7—Lichuan section, Hubei, South China (this study); 8

Figure 2 Stratigraphic sections of the Lower to Middle Triassic successions showing the distributions of Rhizocorallium in South China. Some stratigraphic sections are revised from Enos et al. (2006) , Zhang et al. (2008) , Chen et al. (2011) , Zhao et al. (2015) , Luo et al. (2016b

Figure 1. (A) Location map showing the 10 studied sections in South China: 1—Yashan (YS) section, 2—Susong (SS) section, 3—Daxiakou (DXK) section, 4—Lichuan (LC) section, 5—Tucheng (TC) section, 6—Gaimao (GM) section, 7—Qingzhen (QZ) section, 8—Luoping (LP) section, 9—Tianshengqiao (TSQ) section

.) of observed O/T at Chaohu (blue line) and Daxiakou (red line) (C). A–C are detailed in Figure DR5 (see footnote 1 ). D,E: Diversity of major terrestrial and marine groups. D: Spores and pollen in Pakistan ( Hermann et al., 2012 ). E: Ammonoid genera from low (black dots), middle (blue dots), and high (orange