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

石炭纪末期本区的浆活动开,叠世晚期和晚叠世期是两个主活动期。

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

喷元不仅仅由玄武组成，还包括安山、玻安、钠长以及角砾、凝灰等。