164 JV. L. Bowen — Crystallization of Haplobasaltic, 



Fig. 1. 



15O0 



ALBITE 



40 60 



WT. PER CENT 



ANORTHITE 



Fig. 2. 



1450 



1400 



1350 



1250 



i » ii ii 



lO 20 30 40 50 60 70 80 90 



DIOPSIDE wt. per cent ANORTHITE 



