片岩




SchistUSGOV.jpg

片岩（英语：schist）是具有明显片状构造的变质岩，其变质程度比千枚岩高，几乎所有的原岩物质都已经重结晶，所以颗粒粗大，其颗粒结构主要是石英和长石，石英含量一般比长石多，长石含量常少于25%，其变斑晶为变质矿物，主要有十字石、蓝晶石、夕线石、堇青石、石榴石等。


片岩一般根据其矿物分类和命名，如云母片岩、角闪片岩、绿泥片岩、滑石片岩等。



外部链接


  • 片岩介绍




规范控制


  • AAT: 300011626

  • NDL: 00575726



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