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

 is 



16000 



(1535°) 



15000 



o 

 > 

 c 

 u 

 © 



1 



£ 14000 



CD 

 B 



13000 



12000 

 (1230°) 











^--"-■"-^SS^^^^ 



1 ^^^^^ 



7 ^ 



tw 



J-$- 



ti 



tit t 



JT 



M 



tU it 



ffi 



fit 



or 





[7/ 



_itf 



j if 



1f 



1t 



It 



T 





1 



II 



it 



1 



f 



T 



i T 



ft 



r 



it 



t T 



t 



-t 



jfc 



Fig. 18. 



Time— 1 division = 1 minute. 



I = Enstatite (two curves). 

 II = Monoclinic pyroxene (three curves). 



