It is considered that the sedimentary structures of Pukou formation in Huaiyin nag are different from those in Yanfu depression, and the new characteristics of salt rocks of over 1000 m thickness appear in this area.

• 认为淮阴凹陷浦口组和盐阜坳陷有不同的沉积构造特征，特别是本区发育的厚度达千米的盐岩沉积，更有其特殊性。