| Samples | SBET (m2∙g−1) | Vp (cm3∙g−1) | VDUB (cm3∙g−1) | CEC (meq 100−1∙g) | ρs (g∙cm−3) |
| ±5 | ±0.05 | ±0.01 | |||
| Meknes | |||||
| M1 | 37.9 | 0.055 | 0.015 | 12.9 | 2.7 |
| M2 | 36.3 | 0.055 | 0.015 | 9.1 | 2.7 |
| M3 | 33.3 | 0.053 | 0.015 | 9.7 | 2.7 |
| M4 | 36.3 | 0.053 | 0.015 | 10.1 | 2.7 |
| M5 | 34.7 | 0.049 | 0.015 | 20.6 | 2.7 |
| M6 | 35.2 | 0.094 | 0.015 | 12.5 | 2.7 |
| Unexploitable Tetouan clays | |||||
| TN1 | 32.4 | 0.069 | 0.015 | 18.5 | 2.7 |
| TN2 | 32.9 | 0.072 | 0.015 | 17.1 | 2.8 |
| TN3 | 31.0 | 0.072 | 0.015 | 17.2 | 2.8 |
| TN4 | 34.6 | 0.08 | 0.02 | 8.5 | 2.8 |
| TN5 | 26.2 | 0.061 | 0.014 | 10.0 | 2.8 |
| TN6 | 27.9 | 0.064 | 0.015 | 18.3 | 2.7 |
| TN7 | 26.2 | 0.086 | 0.012 | 13.1 | 2.8 |
| TN8 | 30.2 | 0.091 | 0.012 | 9.3 | 2.8 |
| TN9 | 36.4 | 0.101 | 0.015 | 17.9 | 2.8 |
| Exploitable Tetouan clays | |||||
| TE1 | 35.5 | 0.077 | 0.015 | 13.8 | 2.8 |
| TE2 | 34.5 | 0.075 | 0.015 | 14.6 | 2.8 |
| TE3 | 36.4 | 0.078 | 0.015 | 10.3 | 2.8 |
| TE4 | 31.0 | 0.068 | 0.014 | 10.7 | 2.9 |
| TE5 | 26.0 | 0.069 | 0.011 | 7.6 | 2.9 |
| TE6 | 17.7 | 0.047 | 0.008 | 12.0 | 2.8 |
| TE7 | 18.1 | 0.048 | 0.01 | 7.1 | 2.8 |
| TE8 | 21.3 | 0.056 | 0.01 | 13.7 | 3.0 |
| TE9 | 18.2 | 0.048 | 0.008 | 18.1 | 3.2 |
| TE10 | 27.0 | 0.062 | 0.015 | 17.6 | 2.8 |