Mechanisms of carbon isotopic fractionation in the process of natural gas generation: Geochemical evidence from thermal simulation experiment |
PENG Weilong,LIU Quanyou,HU Guoyi,LYU Yue,ZHU Dongya,MENG Qingqiang,GUO Fengtao,WANG Ruoli |
Fig. 4. The δ13C1-δ13C2-δ13C3 values from rapid temperature rise (a) and δ13C1-δ13C2-δ13C3 from slow temperature rise (b) of low mature coal sample from the Lower Permian Shanxi Formation in the eastern Ordos Basin. |