Gradation of samples from resistant cohesive older alluvium in bed of North Tippah Creek.
| Range | Coarse sand | Medium sand | Fine sand | Very fine sand | Silt | Clay | Organic matter |
|---|---|---|---|---|---|---|---|
| > 0.500 mm (%) | 0.500 - 0.250 mm (%) | 0.250 - 0.125 mm (%) | 0.125 - 0.063 mm (%) | 0.063 - 0.004 mm (%) | < 0.004 mm (%) | By H2O2 (%) | |
| NT-1 | 1.2 | 1.9 | 2.4 | 1.6 | 49.3 | 43.6 | 0.4 |
| NT-4 | 1.2 | 10.2 | 37.6 | 10.6 | 20.2 | 20.2 | 0.3 |