| Sample number | Total clay % | Iraq/Mongolia % | Illipe % | Kaolinite % | Chlorite % | Interlayer ratio (% S) |
| 301-4 | 12.70 | 29.00 | 20.00 | 30.00 | 21.00 | 25 |
| 309-1 | 9.40 | 31.00 | 25.00 | 27.00 | 17.00 | 25 |
| 407-4 | 8.30 | 19.00 | 14.00 | 48.00 | 19.00 | 25 |
| 519-1 | 8.90 | 16.00 | 14.00 | 43.00 | 27.00 | 20 |
| Average value | 9.83 | 23.75 | 18.25 | 37.00 | 21.00 | 24 |