英语语法分析

Topaz occurs in the igneous rock rhyolite.

黄晶通常产于火成岩岩石纹。

People come to this area in order to see the colorful rhyolite mountains.

人们来到这个地区是为了观看那里五彩缤纷的流纹岩山脉。

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。