The evaporation degree of the lacustrine basin was gradually increasing, and the water depth was gradually shallower from Member 4 to Member 2 of Qianjiang Formation.

• 在潜江组淡化段中，沉积微相的纵向演变过程或组合类型复杂多变，总体上由潜国段至潜二段组成，湖盆的蒸发强度越来越大，水深越来越浅。