沙漠中浅盐水湖或洼地 chott
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。
Jidike formation of Neogene is composed of sandstone and mudstone and gypsum deposited in wide and shallow salt-water lake evironments.
认为沙市组是形成于半干旱气候条件下的浅湖陆源碎屑岩和盐湖沉积。
It shows that Shashi Formation composite of shallow lacustrine and continent source clastic rock and salt deposits that sedimented and developed in the half draught climate.
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