n.流纹岩
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 features and the development law of rhyolite landforms are unique.
流纹岩地貌有其独有的特色和发育规律.
Mountain mainly by rhyolite and tuff composition, there are local granite.
山体主要由流纹岩和凝灰岩构成, 局部有花岗岩.