Fig. 12 Ren, Z.-Y., Takahashi, E., Orihashi, Y., Johnson, K. T. M. bulk rock meilt equilibrated with high Mg# of olivine 6.0 5.0 ~16.7wt.% MgO Fe-Mg equilibrium Olivine fractionation a*CaO 4.0 Primary magma 3.0 ~8.4wt.% CaO 2.0 Ca equilibrium 1.0 Olivine accumulation 0.0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 FeO/MgO (wt%) 1.8 2 2.2 2.4
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