petrological
/ˌpɛtrəˈlɑdʒɪkəl/
adjective
- Relating to the scientific study of rocks, especially their origin, composition, and structure.
- Students in the geology class learned petrological techniques for classifying rock samples.
- The petrological survey helped identify valuable mineral deposits in the region.
- A petrological map of the area shows the distribution of different rock types.