| Variables | Component | ||
| 1 | 2 | 3 | |
| Sand | 0.059 | −0.091 | 0.572 |
| Silt | 0.213 | −0.057 | −0.362 |
| Clay | −0.298 | 0.162 | −0.224 |
| AL | −0.024 | .353 | 0.148 |
| Fe | 0.267 | 0.040 | −0.068 |
| Mn | −0.130 | 0.465 | −0.222 |
| As | 0.279 | 0.003 | −0.014 |
| Pb | 0.089 | 0.293 | 0.027 |