1.The Sn granites are characterized by biotite and titanite as Sn-bearing minerals, which suffured hydrothermal alteration, leading to tin leaching and subsequent crystallization of cassiterite.
前者以黑云母、榍石为典型含锡矿物，它
体富集阶段，经热液蚀变作用，导致锡的淋
和结晶富集作用；
声明：以上例句、词性分类
联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我
指正。
