流纹岩

例句：

1. 1. The igneous rocks arethe main components of the Earth'scrust.
   岩浆岩石是地球地壳的主要组成部分。
2. 2. The granite is a type ofigneous rock that is commonly foundin mountainous regions.
   花岗岩是一种常见的侵入岩，常见于山区。
3. 3. Therhyolite is atype of igneous rockthat is formed by the cooling andsolidification of magma.
   流纹岩是一种由岩浆冷却和凝固形成的侵入岩。