微生物碳酸盐岩同生⁃早成岩阶段有机质降解示踪：以四川盆地灯影组四段为例

游杰,胡广,张玺华,沈安江,彭瀚霖,田兴旺,赵东方

Geochemical tracing of organic matter degradation in microbial carbonates during syngenetic⁃early diagenesis: A case study from the Member IV of Dengying Formation,Sichuan Basin

Jie You,Guang Hu,Xihua Zhang,Anjiang Shen,Hanlin Peng,Xingwang Tian,Dongfang Zhao

图5 有机质降解路径、元素迁移过程、氧化还原电势以及各降解路径的成孔示意图 (a)有机质降解路径及元素迁移过程(修改自Widdicombe et al[25])；(b)有机质降解过程所利用电子受体的氧化还原电势 (据Piper[55]，Madigan et al[26])；(c)微生物岩在各个有机质降解阶段岩石孔隙的变化

Fig.5 Organic matter degradation pathways, mobilization of elements, redox potential and the changes in pore contents during the degradation of organic matter