Mudstone of Qingshankou Formation

• 青山口组泥岩

Mudstone of Qingshankou Formation的用法和样例：

例句

1. The first spreading cycle resulted in the formation of Wenchang mudstone, Eocene,which is the important and main source rock of the basin.
   第一扩张旋回中形成的始新统文昌组泥岩是珠江口盆地的主要烃源岩。