霏细岩用英语怎么说？

霏细岩

• [fēi xì yán]
  felsite，felsyte，eurite，felstone

例句

• Yingcheng group's volcanic rocks in Shengping field areof rhyolites, andesites, basalts, felsites and volcanic fragmental rocks. 升平气田白垩系营城组火山岩主要为流纹岩 、 安山岩 、 玄武岩 、 霏细岩及火山碎屑岩.
• The ore bodies are confined to Yanshanian metamorphosed rhyolite porphyry and felsite. 矿体赋存在燕山期变质流纹斑岩、霏细岩中.
• The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale. 富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.