Samples | NF-1 | NF-2 | NF-3 | NF-4 | NF-5 | NF-6 |
SiO2 | 49.85 | 48.64 | 49.35 | 48.04 | 47.04 | 47.19 |
TiO2 | 0.85 | 0.77 | 0.80 | 0.79 | 0.86 | 0.90 |
Al2O3 | 14.73 | 14.29 | 14.37 | 15.02 | 15.44 | 15.97 |
FeOt | 11.69 | 11.78 | 11.66 | 11.69 | 12.24 | 11.78 |
MnO | 0.19 | 0.20 | 0.20 | 0.18 | 0.20 | 0.19 |
MgO | 7.86 | 8.61 | 8.40 | 7.92 | 8.79 | 7.70 |
CaO | 10.69 | 9.57 | 10.20 | 9.38 | 9.93 | 11.37 |
Na2O | 0.62 | 1.18 | 1.03 | 1.37 | 1.10 | 0.64 |
K2O | 0.04 | 0.13 | 0.05 | 0.73 | 0.17 | 0.15 |
P2O5 | 0.07 | 0.06 | 0.06 | 0.05 | 0.06 | 0.06 |
LOI | 3.62 | 3.85 | 3.49 | 3.90 | 4.29 | 4.22 |
Total | 100.22 | 99.08 | 99.62 | 99.06 | 100.13 | 100.19 |
Cr | 100 | 138 | 139 | 155 | 159 | 157 |
V | 282 | 310 | 305 | 306 | 326 | 330 |
Sc | 35.60 | 38.60 | 39.60 | 38.0 | 40.80 | 41.50 |
Rb | 4.00 | 4.40 | 4.20 | 34.40 | 5.80 | 4.90 |
Ba | 21.00 | 71.00 | 31.00 | 239.00 | 72.00 | 59.00 |
Th | 0.56 | 0.50 | 0.50 | 0.52 | 0.52 | 0.46 |
U | 0.19 | 0.17 | 0.18 | 0.36 | 0.20 | 0.15 |
Nb | 2.60 | 2.30 | 2.30 | 2.30 | 2.30 | 2.00 |
Ta | 0.17 | 0.13 | 0.15 | 0.13 | 0.14 | 0.14 |
Pb | 5.40 | 13.00 | 7.00 | 9.30 | 5.60 | 8.60 |
Sr | 109.00 | 88.20 | 95.70 | 77.80 | 95.70 | 134.00 |
Zr | 57.00 | 48.00 | 49.00 | 45.00 | 54.00 | 49.00 |
Hf | 1.50 | 1.40 | 1.40 | 1.20 | 1.50 | 1.40 |
La | 3.70 | 2.80 | 3.00 | 2.80 | 2.90 | 2.90 |
Ce | 9.52 | 7.61 | 8.39 | 7.71 | 7.95 | 7.91 |
Pr | 1.39 | 1.28 | 1.36 | 1.24 | 1.42 | 1.20 |
Nd | 7.10 | 6.50 | 6.60 | 6.00 | 6.80 | 5.80 |
Sm | 2.39 | 2.19 | 2.21 | 2.01 | 2.43 | 2.00 |
Eu | 0.78 | 0.72 | 0.68 | 0.84 | 0.73 | 0.78 |
Gd | 2.88 | 2.87 | 2.77 | 2.65 | 3.16 | 2.40 |
Tb | 0.53 | 0.50 | 0.50 | 0.46 | 0.54 | 0.50 |
Dy | 3.58 | 3.31 | 3.41 | 3.25 | 3.46 | 3.32 |
Ho | 0.73 | 0.75 | 0.71 | 0.71 | 0.76 | 0.72 |
Er | 2.45 | 2.12 | 2.10 | 2.11 | 2.19 | 2.24 |
Tm | 0.35 | 0.34 | 0.32 | 0.28 | 0.31 | 0.35 |
Yb | 2.11 | 2.00 | 2.06 | 1.91 | 2.12 | 2.12 |
Lu | 0.33 | 0.31 | 0.33 | 0.26 | 0.30 | 0.29 |