| Site | Sample | Organic matter (%) | Gravel (%) Ф > 2 mm | Sand (%) 2 > Ф > 0.02 mm | Silt (%) 0.02 > Ф > 0.002 mm | Clay (%) Ф < 0.002 mm | Liquid limit (%) | Plastic limit (%) | Plasticity index (%) |
| Gaschiga | GA1C2 | 5.39 | 2.80 | 43.10 | 36.30 | 17.80 | 63.40 | 36.90 | 26.50 |
| GA2C2 | 3.82 | 7.50 | 45.30 | 17.30 | 29.90 | 60.70 | 30.80 | 29.90 | |
| GA3C2 | 6.98 | 4.60 | 49.90 | 11.90 | 33.60 | 48.00 | 30.30 | 17.70 | |
| Sekandé | SK1C2 | 5.98 | 5.80 | 45.50 | 15.20 | 33.50 | 50.90 | 24.40 | 26.50 |
| SK1C3 | 4.57 | 3.01 | 50.00 | 16.20 | 30.70 | 55.70 | 27.00 | 28.70 | |
| SK2C2 | 4.35 | 8.50 | 53.20 | 11.90 | 26.40 | 43.50 | 24.50 | 19.00 | |
| SK3C2 | 6.40 | 8,80 | 39.70 | 15.30 | 36.20 | 60.90 | 32.70 | 28.20 | |
| SK4C3 | 4.71 | 1.70 | 48.00 | 12.00 | 38.30 | 55.80 | 25.80 | 30.00 | |
| Boulgou | BO1C2 | 3.02 | 16.00 | 50.00 | 1.00 | 26.00 | 43.20 | 22.50 | 20.70 |
| BO2C2 | 2.31 | 5.00 | 59.00 | 8.00 | 20.00 | 34.10 | 20.30 | 13.80 | |
| BO3C2 | 2.68 | 2.00 | 68.00 | 8.00 | 22.00 | 38.10 | 24.80 | 13.30 | |
| BO5C2 | 2.07 | 0.00 | 59.00 | 5.00 | 36.00 | 36.00 | 18.10 | 18.00 | |
| SPmG | 3.45 | 7.00 | 65.93 | 7.00 | 20.43 | 56.50 | 23.50 | 33.10 |