| Variables | Component | ||
| 1 | 2 | 3 | |
| Sand | −0.426 | 0.137 | −0.165 |
| Silt | 0.096 | 0.035 | 0.500 |
| Clay | 0.265 | −0.136 | −0.254 |
| AL | 0.026 | 0.407 | 0.031 |
| Fe | −0.192 | 0.504 | −0.106 |
| Mn | 0.282 | 0.153 | 0.166 |
| As | −0.223 | −0.008 | 0.135 |
| Pb | 0.066 | −0.109 | 0.436 |