Table 2: Clay minerals relative content.

Sample Clay Mineral Content(%)
Illite Montmorillonite Illite
Smectite
Kaolinite Chlorite
1 65.29 0.02 26.02 0.02 5.86
2 58.69 0.01 32.48 0.01 9.21
3 42.02 0.02 44.44 0.01 11.12
4 60.19 0.01 34.75 0.02 5.03