metamorphic petrology

例句：

1. 1. Metamorphic petrology is the study of rocks that have undergone significant changes during their geological history.
   变质岩学是研究那些在地质历史中经历了重大变化的岩石的研究。
2. 2.The metamorphic petrology of the area has been studied to understand its evolution over millions of years.
   该地区的变质岩学已被研究，以了解其数百万年来的演变过程。
3. 3. In this study, we focused on the metamorphic petrology of the ancient rocks in the region.
   在这项研究中，我们专注于该地区古代岩石的变质岩学。