The ore-bearing rock is composed mainly of andesitic tuff and tuffite.
作者在赋矿层中首次发现了层状电气石岩。
The ore-bearing rock is composed mainly of andesitic tuff and tuffite.
作者在赋矿层中首次发现了层状电气石岩。
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.
主要岩石类型包括碳酸盐岩、沈积凝岩、矽质岩和石英砂岩。
声明:以上、词性分类均由互联网资源自动生成,部分未工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。