硬石膏

Nodular anhydrite and enterolithic and chicken-wire structures themselves do not signify the Sabkha environment.

结构状硬、肠状和网眼状构造本身并不表示萨勃哈环境。

Eodiagenesis is characterized by the assemblage of carbonate-analcime-anhydrite, while authigenic kaolinite is found in some strata.

浅埋藏期以碳酸盐～沸～硬组合为特征。

The shallow polyhalite potash deposit in Sichuan are distributed in the north plunge top of Huayingshan anticline where is anhydrock of earlier Mesozoic Triassic period.

四川浅层杂卤钾矿分布于华蓥山背斜北倾没端下中三叠统之硬岩层中。