He was rewarded by seeing Maggie let her work fall, and gradually get so absorbed in his wonderful geological story that she sat looking at him, leaning forward with crossed arms, and with an entire absence of self-consciousness, as if he had been the snuffiest of old professors, and she a downy-lipped alumna.
There are no more uses of "geology" in the book.
Show samples from other sources
He majored in geology and went on to become expert at finding oil.
Geology has favored the island with rich soil, but also threatens it with volcanic eruptions.