Effects of astronomical orbital cycle and volcanic activity on organic carbon accumulation during Late Ordovician-Early Silurian in the Upper Yangtze area, South China

ZHANG Xi,ZHANG Tingshan,ZHAO Xiaoming,ZHU Haihua,MIHAI Emilian Popa,CHEN Lei,YONG Jinjie,XIAO Qiang,LI Hongjiao

Fig. 10. Accumulation model of organic matter in Yangtze area from late Katian to early Rhuddanian (see the profile position in Fig. 1).