Di-Ab-An clinopyroxene 0.016 0.67 Brenan et al. 1998 basalt clinopyroxene 0.036 Hart & Dunn 1993 komatiite garnet 0.53 0.57 Yurimoto & Ohtati 1992 synthetic basalt olivine 0.01 0.044 Brenan et al. 1998