Figure 1

BSE images of recovered sample from 28 GPa, 1400 °C (OT2259). The left figure is a whole BSE image of the recovered sample. The right figures are the BSE images of two samples obtained by FE-SEM after high-resolution SIMS analysis; (a) Al-free system and (b) Al-bearing system. Circles correspond to analysis points. Brg bridgmanite.