mylonite gneiss

例句：

1. 1. The mylonite gneiss is a type of igneous rock that forms during the cooling of magma.
   片麻岩是一种在岩浆冷却过程中形成的火成岩。
2. 2. The mylonite gneiss is often used as a building material due to its strength and durability.
   由于其强度和耐用性，片麻岩常被用作建筑材料。
3. 3. The mylonite gneiss is a common mineral found in many areas, especially in the mountains.
   片麻岩是一种常见的矿物，尤其在山区广泛分布。