dolostone

白云岩

Dolostone is the main rock type of the Cambrian in this area. 从下寒武统石龙洞组开始都是白云岩沈积。

According to the mechanism of dolomitization, it can be divided into penecontemporaneous dolostone and post-penecontemporaneous dolostone. 白云岩可据白云石化作用的机理和时间分为准同生白云岩和准同生后白云岩两大类。