noun🔗ShareDiabaseA fine-grained igneous rock composed mostly of pyroxene and feldspar."The geology student identified the dark, fine-grained rock as diabase, noting its high content of pyroxene and feldspar. "L'étudiant en géologie a identifié la roche sombre à grain fin comme de la diabase, notant sa forte teneur en pyroxène et en feldspath.geologymaterialmineralChat with AIVocabulary GamePractice Reading
