igneous petrology

例句：

1. 1.Igneous petrology is the study of rocks formed by volcanic activity.
   火成岩岩石学是研究火山活动形成的岩石的学科。
2. 2. The igneous petrology of the area has been studied extensively.
   该地区的火成岩岩石学已经广泛研究。
3. 3. The igneous petrology of the region provides valuable insights into its geological history.
   该地区的火成岩岩石学为该地区的地质历史提供了宝贵的见解。