黏土矿物组合以及伊利石结晶度在东部高原隆升与消亡前后，发生了比较明显的变化，这从另一方面反映了东部高原的存在。
The clay mineral assemblage and IC obviously varied before and after the uplift of the Eastern Plateau which suggested the existence of the plateau.
析出物的主要矿物相为针铁矿、石英、伊利石、蒙脱石和微量方解石，呈弱结晶状态。
The main mineral phases include goethite, quartz, illite, montmorillonite and small amounts of calcite, in the form of slight crystallization.
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