Depth of selection (cm) | Particle size (mm), quantity (%) | Granulometric composition | ||||||
---|---|---|---|---|---|---|---|---|
Physical sand | Physical clay | Σ particles < 0.01 | ||||||
Sand | Powder | Silt | ||||||
1–0.25 | 0.25–0.05 | 0.05–0.01 | 0.01–0.005 | 0.005–0.001 | < 0.001 | |||
Вm g (75–85) | 2.4 | 5.6 | 32.5 | 8.1 | 14.9 | 36.5 | 59.5 | Rough-powdered light-clayey |
Argillanes (75–85) | 1.0 | 2.2 | 16.1 | 4.4 | 15.8 | 60.5 | 80.7 | Silty hard-clayey |
Genetic horizon | SiO2 | Al2O3 | Fe2O3 | R2O3 | TiO2 | CaO | MgO | K2O | Na2O | Mn3O4 |
---|---|---|---|---|---|---|---|---|---|---|
Bm g | 0.93 | 1.32 | 1.01 | 1.23 | 0.98 | 1.05 | 1.81 | 1.24 | 1.16 | 2.0 |
Horizon (sampling depth, cm) | Content of Fe2 O3 in fines(%) | Content of R2 O3 in fines(%) | EA-Fe2 O3 in silt | EA-R2 O3 in silt | EAt in silt | EAm in silt | ||
---|---|---|---|---|---|---|---|---|
A1g (8–23) | 3.46 | 4.30 | 2.96 | 10.83 | −4.70 | −11.52 | −0.04 | −0.11 |
A2g (25–35) | 3.01 | 3.87 | 4.12 | 12.58 | +24.48 | +3.20 | +0.01 | +0.03 |
A2Bg (40–50) | 3.01 | 3.80 | 5.82 | 18.16 | +17.91 | +2.67 | +0.01 | +0.03 |
Bm g (75–85) | 3.01 | 3.73 | 5.28 | 17.75 | +18.87 | +4.45 | +0.02 | +0.05 |
BC g (104–114) | 3.01 | 3.75 | 5.42 | 17.69 | +21.34 | +4.55 | +0.03 | +0.06 |
C g (120–130) | 3.04 | 3.71 | 4.75 | 16.41 | - | - | - | - |