• =>I.O 

 X = 0.5-1.0 

 ° = 0-0.5 

 I7& MONTMORILLONITE PEAK AREA 



lOA ILLITE PEAK AREA x 4 



Fig. 1. The 17 A montmorillonite/lO A illite ratio. 



• =>i.o 



X =0.5-1.0 



o = 0.0-0.5 

 4.7 & CHLORITE PEAK AR EA ^°' 

 5.0 & ILLITE PEAK AREA 



Fig. 2. The 4.7 A chlorite/5.0 A iUite ratio. 



