常见例句双语例句According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.郯庐断裂带中段的新生代火山岩以碱性系列的碱性橄榄玄武岩、碧玄岩和霞石岩为主，其中又以钠质亚系的岩石为主。 返回 olivine nephelinite