| PC1 | PC2 | PC3 | PC4 | |
| Variance explained | 33.60% | 19.90% | 14.10% | 8.40% |
| As | 0.45 | 0.76 | 0.03 | −0.01 |
| B | 0.42 | −0.45 | 0.64 | −0.26 |
| Ba | 0.06 | −0.55 | 0.68 | 0.01 |
| Ca | 0.58 | 0.03 | 0.62 | −0.45 |
| Cd | 0.11 | −0.28 | −0.02 | 0.3 |
| Ce | −0.93 | 0.16 | 0.03 | −0.09 |
| Co | −0.83 | 0.08 | 0.46 | −0.25 |
| Cr | −0.81 | 0.30 | 0.39 | 0.12 |
| Cu | 0.31 | 0.90 | 0.13 | 0.11 |
| Fe | −0.92 | 0.16 | 0.22 | 0.04 |
| Hg | 0.49 | 0.83 | −0.08 | −0.03 |
| In | 0.22 | 0.06 | 0.34 | 0.77 |
| La | −0.94 | 0.09 | 0.05 | −0.06 |
| Li | −0.07 | −0.10 | 0.82 | 0.39 |
| Mg | 0.72 | −0.35 | 0.36 | 0.33 |
| Mo | 0.78 | 0.04 | 0.54 | 0.11 |
| Ni | −0.12 | 0.93 | 0.21 | 0.01 |
| P | 0.45 | 0.87 | −0.02 | −0.01 |
| Si | 0.87 | 0.24 | 0.17 | 0.27 |
| Sn | 0.20 | −0.18 | 0.22 | 0.79 |
| Sr | 0.88 | −0.10 | 0.37 | 0.05 |
| V | −0.94 | 0.19 | 0.23 | −0.02 |
| W | 0.51 | 0.81 | −0.15 | −0.05 |
| Zn | −0.06 | −0.15 | 0.04 | 0.45 |