Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.

石炭纪末期本区的岩浆活动开始,早二叠世晚期和晚二叠世早期是两个主活动期。

The extrusive rock unit includes basalt, andesite, boninite and albitite as well as breccia and tuff.

喷出岩单元不仅仅由玄武岩组成，还包括安山岩、玻安岩、钠长岩以及角砾岩、凝灰岩等。