Discussion on classification and naming scheme of fine-grained sedimentary rocks

PENG Jun,ZENG Yao,YANG Yiming,YU Ledan,XU Tianyu

Table 4 Macroscopic and microscopic characteristics of typical fine-grained sedimentary rocks in the fourth member of the Paleogene Shahejie Formation, Dongying Sag

No. Rock type Macroscopic features Microscopic features 1 Silty mudstone 2 Mud-bearing sandy siltstone 3 Silt-bearing mudstone/ silt-bearing muddy calcite mudstone/silt-bearing argillaceous micritic limestone