Fig. 4From: Oxidation during magma mixing recorded by symplectites at Kusatsu–Shirane Volcano, Central JapanZoning profiles of olivine and opx in the examples shown in Fig. 2. Gray and white circles are olivine and opx analyses, respectively. The shaded areas represent symplectite or lamellar zones. Numbered arrows indicate locations of analyses given in Additional file 1Back to article page