fig09.htm

Figure 9. Results of geochemical thermometry for the LZb rocks at P =1 kbar and 0.1 wt.% H2O in the starting compositions. Thin lines correspond to the equilibrium crystallization trajectories calculated at closed O2 conditions for fourteen Ol - Pl - Aug gabbros. The temperature of 1125 pm 5oC is assumed to be that intrinsic to the residual liquid (Table 3). Thick line represents calculations for the average LZb composition at QFM (see Figure 5).


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