On the basis of the lithologic characters, the trough cross stratification were divided into single lithologic and multiple unit.
根据其岩性特征和槽的组合分为单岩性槽状交错层理和复合槽状交错层理。
Hummocky cross-stratification section; 5. Ripple bedding section;
丘状交错层理段，（5）波纹段；
Hummocky cross-stratification section; 5. Ripple bedding section;
丘状交错层理段，（5）波纹段；
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