Fe-FeS schreibersite 0.000011 Jones et al. 1993 Fe-FeS solid metal 0.000021 Jones et al. 1993 Fe-FeS troilite 0.0003 Jones et al. 1993 leucosome biotite 8.6 Bea et al. 1994 leucosome cordierite 0.24 Bea et al. 1994 leucosome k-feldspar 3.67 3.67 Bea et al. 1994 leucosome plagioclase 0.06 Bea et al. 1994