TRANSITION ROCKS 



439 





to 





to 



M 

 M 



© 



05 



Slide number 





h- 1 



1— I 





1 







Field number 



Ol.-Lab. 

 40 





CO 'i 

 p 



O 

 p 



cr 



o 



to L 



o 

 p- 



Plagioclase 



^ 



g 



. 



g 



: 



^ 



O 



Microperthite 



o 



• 



en 

 h-l 



• 



B 



g 



• 



Orthoclase 





M 



Ol 



CD 



to 





h^ 



Quartz 



to 



CO 



CO 



01 



4^ 



05 



• 



Monoclinic py- 

 roxene 



00 



to 



• 



; 



• 



• 



CO 



Diallage 



05 



to 



ox 



M 

 ^ 



00 



; 



M 



Hornblende 



M 



M 



^ 



M 



: 



to 



a; 



Ilmenite or mag- 

 netite 



; 



i^ 



Ol 



: 



\ 



to 



1 



Garnet 



[^ 



if^ 



I^ 







;^ 



M 



Apatite 



; 



I 



' 



^ 





^ 





Zircon 





^ 





• 



: 



I 





Pyrite 



; 





I 



S 

 ? 



j 



I 



\ 



Titanite 



• 



'' 



• 



to 



\ 



I 



• 



Calcite (second- 

 ary) 



