Fig. 2From: Hydrous Na-garnet from Garnet Ridge; products of mantle metasomatism underneath the Colorado PlateauCompositions of group A and subgroups B1, B2, B3, and B4 pyrope from Garnet Ridge. a Ca-Mg-Fe triangle showing grossular-pyrope-almandine components. b CaO vs Cr2O3 (wt%). The four subgroups in group B: Cr-poor are characterized by low-Cr2O3 contents and varied CaO contentsBack to article page