Fig. 5: Modelled compositions residues after melting of basalt-peridotite hybrid rocks.
From: Depth-dependent peridotite-melt interaction and the origin of variable silica in the cratonic mantle
Starting compositions composed of 20% basalt and 80% fertile peridotite (black dashed lines) and 50% basalt and 50% fertile peridotite (black solid lines) compared to residues after melting of fertile peridotite (grey lines) from figure 3. (a) Mg# - SiO2, (b) Mg# - Al2O3, (c) Mg# - FeO, (d) Mg# - CaO, (e) Mg# - Cr2O3/Al2O3, (f) MgO/SiO2 - Cr2O3/Al2O3. Low and high pressure is labelled in GPa. Median compositions of garnet bearing (solid symbols) and garnet free (open symbols) cratonic peridotites were calculated from the literature database.
