270 



Subsurface Geologic Methods 



MONTMORILLONITE -SeRICITE MIXTURES 





.300. 



Otgreas Centigrods 



fo ■ I ■ 5^0 , I . 7y> , ^ , gyt 



liPO 





90 10 



-\ 1- 



75 25 



■J 1 }— 



60 40 



40 60 



H h 



25 75 



10 90 



100 



t h 



I L 



--}- (^ I 



00 300 500 roS 5ocr 



Otgrees Centigrodt 



■nic 



100 



Figure 118. Artificial mixtures of almost inert sericite with montmorillonite. 



