The AjiEEiCAN Geologist 
Vol 
. XXVI. 
Plate XX. 
c 
> 
lUr 
9S« 
. 9Zt° 
T 
AK)ile,/lVVr\, 
A\Anj 
A\An^ 
A\Aiij 
A\\ 
A\An, 
Ab>, 
lAiiorlliite 
2 
OJO 
10.0 
20.0 
30.0 
33.3 
30 
_ Jo 50 
1 
1 
[) 2 3! 
40 Ti 

\ 
\ 
f 
\ 
5°\ 
50.0 
53.3 
57.2 
60.0 
66.6 
70.0 
80.C 
90.C 
100.( 
li 
V 
7" 
€ 
8° 
ID 
( 
1 
1 
The angle 7)31 (001) A (010) in the plagioclases. 
