petrologic
/ˌpɛtrəˈlɑdʒɪk/
adjective
- Relating to the scientific study of rocks, especially their origin, composition, and structure.
- Her research focuses on the petrologic history of the Appalachian Mountains.
- The petrologic analysis of the volcanic rock revealed its high silica content.
- The museum's new exhibit includes petrologic samples from deep within the Earth's crust.