英语语法分析

The cap rocks are lacustrine mudstone and gypsiferous.

盖层为湖相泥岩和含膏泥岩。

And every lithological member is composed of the lower gypsiferous salt bed and the upper terrigenous clastic rock, which belongs to the lacustrine sedi we are pirates, these data are stolen from youdao .

该组可划分为三个岩性段，每个岩性段均由下部膏盐层、上部陆源碎屑岩组成，均属湖泊沉积。