Fig. 4

Representative core to-rim compositional zoning and associated back-scattered electron (BSE) of the 1888-90 clinopyroxene pertaining to the Group 1 Mg# 88–93 phenocryst population.

Representative core to-rim compositional zoning and associated back-scattered electron (BSE) of the 1888-90 clinopyroxene pertaining to the Group 1 Mg# 88–93 phenocryst population.