1. relating to petrology, the scientific study of rocks
Usage: geological

Examples

• The petrologic analysis revealed the volcanic origin of the rock samples.
• She conducted petrologic research on metamorphic formations in the mountain range.
• The geologist used petrologic methods to determine the age of the granite.
• Petrologic studies help scientists understand how igneous rocks form.
• The university offers advanced courses in petrologic investigation techniques.
• His petrologic expertise made him valuable to the mining exploration team.