According to the data of cores and thin sections,the paper classifies Upper Carboniferous ofthis area into three parts combining the analysis of regional Seology,petrography and paleontology.

• 根据川东大池干井构造带的钻井岩心和薄片资料，从岩性特征、古生物特征入手，结合区域地质综合分析，将上石炭统划分为三个段。