云英岩是一种变质岩,主要是由酸性侵入岩在高温气化热液交代作用下而形成的岩石,主要由石英和白云母组成,其中石英含量大于50%,云母含量小于40%,此外尚有黄玉电气石萤石绿柱石等以及一些金属矿物

云英岩主要发育在花岗岩体的顶部或边缘,常伴生大量的稀有金属矿物,包括等。

Thumb
图片

外部链接

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.