noun🔗ShareDiabasaA 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. "El estudiante de geología identificó la roca oscura de grano fino como diabasa, señalando su alto contenido de piroxeno y feldespato.geologymaterialmineralChat with AIVocabulary GamePractice Reading
