noun
- the scientific study of rocks, their origin, composition, structure, and classification
Usage: geology
Examples
- She earned her PhD in petrology and now studies volcanic rocks.
- The petrology lab contained samples from around the world.
- His research in petrology focuses on metamorphic processes.
- Petrology helps geologists understand Earth’s history.
- The course covered both igneous and sedimentary petrology.
- Advanced petrology requires knowledge of mineralogy and chemistry.