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

1.石炭纪区的浆活动开始,二叠世晚和晚二叠世是两个主活动。

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

2.喷出单元不仅仅由玄武，还包括安山、玻安、钠长以及角砾、凝灰等。