petrologically


pe·trol·o·gy

P0225800 (pə-trŏl′ə-jē)n. The branch of geology that deals with the origin, composition, structure, and alteration of rocks.
pet′ro·log′ic (pĕt′rə-lŏj′ĭk), pet′ro·log′i·cal (-ĭ-kəl) adj.pet′ro·log′i·cal·ly adv.pe·trol′o·gist n.