Figure 4From: Polybaric crystallization differentiation of H2O-saturated island arc low-K tholeiite magmas: a case study of the Izu-Oshima volcano in the Izu arcBackscattered electron images of representative phenocrysts. (a) Nearly homogeneous plagioclase with slight oscillatory zoning in its core (An90-An91). (b) Plagioclase with normal and reverse zoning. (c) Plagioclase included by olivine.Back to article page