Effects of astronomical orbital cycle and volcanic activity on organic carbon accumulation during Late Ordovician-Early Silurian in the Upper Yangtze area, South China
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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. 2. Chemical alteration index of Upper Katian-Lower Rhuddanian in Jienietuo section (a) and Lücongpo section (b). |
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