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4 灯四段微生物碳酸盐岩微区组构地球化学特征 (a)(d)(g)(j)分别为样品HJB?K16第一组和第二组数据，XJZ?K6，XJZ?K10原位微区测试位置；(b)(e)(h)(k)分别为对应测试区域的稀土PAAS标准化曲线；(c)(f)(i)(l)为对应样品原位微区元素的相对含量

Fig.4 Geochemical characteristics of specific components in microbial carbonates,Member IV of Dengying Formation