英语语法分析

Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.

主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。