424 K T. Allen, F. K Wright and J. K Clement- 



16 



15000 

 (1460°) 























































I 











































r 











































i 



/ 







































/ 



i/ 



/ 







































/ 



/ 









































/ 



/ 









































/ 









































/ 



/ 































14000 













! 









































/ 











































/ 









































/ 



/ 











































/ 











































/ 









































/ 





















































































/ 













































































13000 





























































































/ 









































































































































































































































































































































12000 











































































































































































































































• 























! 





















































































1 







































11000 











































(1145°) 





1 







































Fig. 16. 



Time — 1 division =.1 minute. 



I = Orthorhombic ampbibole. 

 II = Monoclinic pyroxene. 



