| Aggregates | Glide module 2.2 < Mf < 2.8 | % of fine to the 0.08 mm sieve | Granularity |
| Djiri | 0.85 | 9 | 0/0.63 |
| Mfilou | 0.87 | 7 | 0/0.63 |
| Congo River | 0.70 | 4 | 0/0.63 |
| Crushed | 2.89 | 9 | 0/4 |