
好词典

源自希腊语 'skhistos'(可分裂的),通过法语 'schiste' 进入英语,指岩石易沿层面裂开的特性。
❶ 片岩是一种变质岩,由矿物颗粒平行排列形成片状结构,常见于地壳中受高压高温影响的区域。
“The mountains are composed mainly of schists and gneisses.”
(这些山脉主要由片岩和片麻岩组成。)
“Schists often contain shiny minerals like mica.”
(片岩通常含有云母等闪亮矿物。)
mica schist — 特指富含云母矿物的片岩,因其闪亮的外观常用于装饰或地质研究。
“The countertop was made of polished mica schist.”
(这个台面是用抛光的云母片岩制成的。)