TiO2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 | 0.4 | 0.2 | 0.2 | 0.2 | 0.04 | 0.02 | 0.02 |
MnO | 0.0 | 0.0 | b.d.l | 0.0 | 0.0 | 0.2 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.01 | 0.01 | 0.03 |
Fe2O3 | 0.6 | 0.6 | 0.6 | 0.7 | 0.9 | 5.7 | 4.4 | 5.5 | 5.1 | 4.3 | 4.4 | 0.63 | 0.67 | 1.03 |
A/NK | 2.81 | 2.84 | 2.7 | 2.84 | 2.76 | 2.9 | 2.5 | 2.8 | 2.86 | 2.46 | 2.48 | 1.57 | 1.53 | 1.60 |
A/CNK | 1.79 | 1.82 | 1.9 | 1.80 | 1.82 | 2.0 | 1.8 | 1.8 | 1.96 | 1.83 | 1.81 | 1.47 | 1.44 | 1.49 |
Rare earth elements (ppm) | ||||||||||||||
La | 1600 | 8850 | 2410 | 3050 | 6700 | 73.3 | 67.5 | 28.4 | 60 | 55 | 68 | 28 | 32 | 28 |
Ce | 3620 | 20200 | 5930 | 6990 | 15300 | 154.0 | 139.0 | 59.1 | 119 | 115 | 139 | 61 | 66 | 61 |
Pr | 387 | 2350 | 663 | 741 | 1800 | 18.2 | 16.3 | 6.7 | 14 | 14 | 16 | 7 | 7 | 7 |
Nd | 1370 | 8330 | 2430 | 2630 | 6350 | 65.4 | 58.9 | 23.7 | 50 | 50 | 59 | 25 | 26 | 27 |
Sm | 206 | 1170 | 417 | 402 | 1040 | 13.2 | 11.2 | 5.4 | 9 | 10 | 11 | 5 | 5 | 5 |
Eu | 1 | 4 | 1 | 2 | 3 | 0.8 | 1.6 | 0.5 | 2 | 1 | 2 | 0.3 | 1 | 0.3 |
Gd | 160 | 808 | 302 | 299 | 866 | 12.9 | 10.1 | 6.3 | 9 | 9 | 10 | 4 | 4 | 5 |
Tb | 14 | 66 | 28 | 26 | 74 | 1.8 | 1.1 | 1.5 | 1 | 1 | 1 | 0.5 | 1 | 1 |
Dy | 41 | 190 | 80 | 76 | 216 | 9.0 | 5.0 | 12.8 | 5 | 5 | 5 | 2 | 2 | 3 |
Ho | 5 | 24 | 8 | 9 | 26 | 1.4 | 0.8 | 3.3 | 1 | 1 | 1 | 0 | 0 | 1 |
Er | 13 | 59 | 18 | 23 | 55 | 3.2 | 2.2 | 12.0 | 2 | 2 | 2 | 1 | 1 | 2 |
Tm | 1 | 3 | 1 | 1 | 3 | 0.4 | 0.3 | 2.0 | 0.3 | 0.2 | 0.3 | 0.1 | 0.2 | 0.4 |
Yb | 5 | 16 | 5 | 8 | 15 | 1.9 | 1.6 | 14.0 | 2 | 1 | 2 | 1 | 1 | 3 |
Lu | 1 | 2 | 1 | 1 | 2 | 0.2 | 0.2 | 2.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.4 |
Y | 124 | 632 | 253 | 226 | 548 | 38.5 | 21.1 | 110.0 | 25 | 19 | 21 | 13 | 14 | 23 |
REE | 7548 | 42704 | 12547 | 14485 | 32996 | 394.1 | 337.0 | 287.8 | 299 | 284 | 337 | 148 | 162 | 166 |
Eu/Eu* | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | 0.2 | 0.5 | 0.3 | 0.58 | 0.47 | 0.47 | 0.24 | 0.45 | 0.19 |
LaN/YbN | 217.92 | 368.31 | 308.31 | 269.85 | 309.39 | 26.2 | 28.8 | 1.4 | 21.64 | 27.27 | 28.80 | 25.53 | 19.98 | 7.27 |
LaN/SmN | 4.89 | 4.76 | 3.64 | 4.77 | 4.05 | 3.5 | 3.8 | 3.3 | 4.29 | 3.46 | 3.79 | 3.69 | 3.82 | 3.20 |
Trace elements (ppm) | ||||||||||||||
U | 85 | 422 | 210 | 167 | 491 | 11.5 | 7.1 | 5.8 | 6 | 6 | 7 | 7 | 4 | 5 |
Th | 2310 | 12900 | 3750 | 4430 | 10500 | 36.4 | 37.5 | 12.3 | 17 | 38 | 38 | 37 | 28 | 30 |
Pb | 503 | 2690 | 774 | 799 | 1790 | 43.6 | 44.6 | 31.6 | 36 | 42 | 45 | 87 | 73 | 67 |
TH/U | 27.08 | 30.57 | 17.86 | 26.53 | 21.38 | 3.2 | 5.3 | 2.1 | 2.80 | 6.05 | 5.27 | 5.36 | 6.80 | 6.49 |