From: Regional distribution of mercury in sediments of the main rivers of French Guiana (Amazonian basin)
Mud content (%) | Textural class | Samples (%) |
---|---|---|
< 5 | Sand | 0.0 |
5-25 | Slightly muddy sand | 7.1 |
25-50 | Muddy sand | 29.3 |
50-75 | Sandy mud | 31.3 |
75-95 | Slightly sandy mud | 26.3 |
> 95 | Mud | 6.0 |