petrology
puh tro luh jee
- n the branch of geology that studies rocks: their origin and formation and mineral composition and classification
- Under his stewardship, the museum introduced research programs in meteorites, mineralogy, petrology and geochemistry.
- They have also become professors of geological geophysics at Caltech and of petrology at Harvard.
- Today, Professor Nekvasil shepherded nine girls into her experimental petrology lab, where she studies the crystallized structures of rocks.