Table 2.
Factor loadings (Varimax normalized)
| Eigenvalues | 24.25 | 7.26 | 4.06 | 2.31 | 2.14 | 2.10 | 1.40 | 1.05 |
|---|---|---|---|---|---|---|---|---|
| Total variance (%) | 50.52 | 15.13 | 8.46 | 4.82 | 4.47 | 4.37 | 2.91 | 2.18 |
| Cumulative % | 50.52 | 65.65 | 74.11 | 78.94 | 83.40 | 87.77 | 90.68 | 92.86 |
| Variables | PC1 | PC2 | PC3 | PC4 | PC5 | PC6 | PC7 | PC8 |
| Li | 0.24 | −0.16 | −0.08 | 0.23 | 0.28 | 0.72 | −0.12 | 0.09 |
| Be | 0.76 | 0.52 | 0,08 | 0.12 | 0.11 | −0.08 | 0.00 | −0.07 |
| Sc | 0.58 | −0.08 | 0.18 | 0.08 | 0.25 | −0.65 | −0.07 | 0.00 |
| V | 0.01 | 0.93 | −0.07 | −0.09 | −0.06 | −0.01 | −0.05 | −0.24 |
| Co | 0.04 | −0.20 | 0.23 | −0.15 | 0.19 | 0.03 | 0.84 | −0.11 |
| Ni | 0.02 | −0.05 | 0.32 | −0.07 | 0.79 | 0.19 | −0.04 | 0.02 |
| Cu | 0.08 | 0.15 | −0.07 | −0.58 | 0.52 | 0.15 | 0.24 | −0.37 |
| Zn | −0.01 | 0.95 | 0.00 | −0.05 | 0.05 | −0.16 | −0.12 | 0.03 |
| Ga | 0.94 | 0.13 | 0.22 | 0.10 | −0.04 | 0.06 | 0.12 | −0.03 |
| Ge | 0.63 | 0.74 | −0.01 | 0.01 | −0.11 | 0.10 | −0.03 | 0.13 |
| As | −0.15 | 0.95 | 0.05 | 0.16 | 0.12 | −0.03 | −0.06 | −0.07 |
| Rb | −0.11 | −0.36 | 0.33 | 0.05 | 0.07 | −0.19 | 0.70 | 0.23 |
| Sr | 0.92 | 0.08 | 0.14 | −0.11 | −0.07 | −0.03 | −0.19 | -0.02 |
| Y | 0.97 | -0.05 | 0.17 | −0.03 | 0.03 | −0.10 | −0.06 | 0.03 |
| Zr | 0.80 | 0.10 | 0.23 | 0.01 | −0.10 | 0.02 | 0.37 | −0.18 |
| Nb | 0.92 | 0.02 | −0.18 | 0.17 | −0.12 | 0.18 | 0.03 | −0.10 |
| Mo | −0.02 | 0.96 | 0.00 | 0.06 | 0.06 | −0.15 | −0.08 | 0.09 |
| Ag | 0.06 | 0.97 | 0.00 | −0.06 | 0.10 | −0.01 | −0.12 | 0.05 |
| Cd | 0.29 | −0.12 | 0.87 | 0.01 | 0.18 | −0.15 | 0.19 | −0.10 |
| In | −0.30 | 0.35 | −0.12 | −0.77 | 0.07 | −0.10 | 0.11 | 0.04 |
| Sn | −0.05 | 0.35 | −0.13 | 0.86 | 0.10 | 0.05 | 0.06 | 0.08 |
| Sb | 0.44 | 0.24 | 0.81 | −0.13 | −0.06 | −0.06 | 0.11 | 0.07 |
| Cs | 0.26 | −0.08 | 0.93 | 0.00 | 0.08 | 0.01 | 0.13 | 0.13 |
| Ba | 0.80 | −0.13 | 0.20 | 0.02 | 0.31 | −0.27 | −0.19 | 0.04 |
| La | 0.92 | −0.01 | 0.26 | −0.04 | 0.00 | 0.21 | 0.08 | −0.15 |
| Ce | 0.92 | −0.03 | 0.19 | −0.02 | 0.01 | 0.25 | 0.09 | −0.19 |
| Pr | 0.92 | −0.03 | 0.22 | −0.03 | 0.01 | 0.23 | 0.04 | −0.18 |
| Nd | 0.94 | −0.04 | 0.15 | 0.03 | 0.06 | 0.22 | 0.01 | −0.15 |
| Sm | 0.97 | −0.10 | 0.10 | 0.05 | 0.02 | 0.16 | 0.03 | −0.07 |
| Eu | 0.93 | 0.15 | 0.12 | −0.07 | −0.15 | 0.11 | −0.01 | −0.12 |
| Gd | 0.95 | −0.12 | 0.19 | 0.04 | 0.09 | 0.15 | 0.04 | −0.01 |
| Tb | 0.96 | −0.07 | 0.19 | 0.03 | 0.06 | −0.02 | 0.00 | −0.02 |
| Dy | 0.95 | −0.08 | 0.22 | 0.06 | 0.09 | −0.03 | −0.10 | 0.01 |
| Ho | 0.97 | −0.03 | 0.14 | −0.05 | 0.00 | −0.10 | −0.06 | 0.05 |
| Er | 0.98 | 0.03 | 0.08 | −0.04 | −0.01 | −0.11 | −0.05 | 0.09 |
| Tm | 0.93 | 0.25 | 0.08 | −0.05 | −0.03 | −0.17 | −0.01 | 0.11 |
| Yb | 0.97 | 0.06 | 0.07 | −0.10 | −0.07 | −0.13 | −0.04 | 0.08 |
| Lu | 0.96 | 0.11 | −0.01 | −0.05 | −0.06 | −0.09 | 0.01 | 0.20 |
| Hf | 0.78 | 0.06 | 0.27 | 0.12 | −0.12 | 0.03 | 0.37 | −0.13 |
| Ta | 0.50 | −0.33 | 0.19 | −0.11 | −0.06 | 0.62 | 0.04 | 0.08 |
| W | 0.37 | 0.77 | −0.12 | −0.03 | −0.24 | 0.19 | 0.05 | 0.32 |
| Tl | 0.15 | −0.28 | 0.66 | 0.04 | −0.12 | 0.20 | 0.52 | 0.07 |
| Pb | 0.51 | 0.12 | 0.73 | 0.10 | 0.27 | 0.02 | −0.01 | 0.09 |
| Bi | 0.33 | −0.07 | −0.19 | −0.12 | −0.13 | −0.12 | −0.03 | − 0.76 |
| Th | 0.87 | 0.05 | 0.13 | 0.25 | 0.13 | 0.30 | 0.05 | -0.01 |
| U | 0.93 | 0.07 | 0.08 | 0.21 | 0.20 | 0.07 | 0.00 | 0.00 |
| Ti | 0.90 | 0.09 | −0.07 | 0.05 | −0.07 | −0.01 | 0.08 | −0.21 |
| Hg | −0.06 | 0.16 | −0.02 | 0.06 | 0.89 | −0.13 | 0.18 | 0.13 |
In italics are the significant loadings used for each principal component