The sequence Ⅲ represents the mid-submember sedimentation of Member Ⅲ of Shahejie Formation and has similar nature ofthesequence Ⅱ.
The sequence Ⅲ represents the mid-submember sedimentation of Member Ⅲ of Shahejie Formation and has similar nature ofthesequence Ⅱ.
层序Ⅲ代表沙三段中亚段沉积，与层序Ⅱ有类似特征。