Jidike formation of Neogene is composed of sandstone and mudstone and gypsum deposited in wide and shallow salt-water lake evironments.
苏维依组为冲积扇—湖泊相砂砾岩和砂泥岩沉积； 上第三系吉迪克组以砂泥岩为主夹膏岩，属宽浅盐湖沉积。
The Shiqianfeng Formation is subdivided into three members, namely, Pingdingshan sandstone, Lamellibranchiate marl and gypsum lime-nodule.
石千峰组又分为三段：平顶山砂岩段、瓣鳃泥灰岩段及石膏钙核段。
In the Laizhouwan depression, the Sha4 Member of the Paleogene Shahejie Formation attains thick salt and gypsum which have uplifted and formed salt diapir and pillow in the KL112 area.
莱州湾凹陷沙河街组四段含有较厚的岩盐和膏盐层，并在KL112地区发生聚集隆起，形成典型的盐底辟(盐枕)构造。
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