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
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).