Sample | Hut1_P2 | Hut1_P3 | Hut2_P4 | Hut2_P8 | Hut3_P4 | Hut3_P5 | Hut * | Thr * | |
SiO2 (wt.%) | 16.75 | 17.64 | 14.78 | 14.93 | 15.36 | 15.48 | 18.78 | 18.84 | |
CaO | 1.13 | 1.55 | 1.84 | 1.56 | 1.52 | 1.67 | 0.01 | 0.13 | |
P2O5 | 0.07 | 0.07 | 0.01 | 0.56 | 0.05 | 0.07 | 0.66 | 5.90 | |
PbO | 64.58 | 64.54 | 62.45 | 62.20 | 62.96 | 61.70 | 79.21 | 73.46 | |
ThO2 | 0.00 | 0.40 | 0.18 | 1.12 | 0.01 | 0.50 | 0.03 | 0.43 | |
UO2 | 3.63 | 2.68 | 5.65 | 4.39 | 4.48 | 3.86 | 0.43 | 0.12 | |
Y2O3 | 1.95 | 0.75 | 2.86 | 2.55 | 2.30 | 2.55 | 0.35 | 0.21 | |
La2O3 | 0.20 | 0.13 | 0.32 | 0.36 | 0.19 | 0.22 | 0.02 | 0.00 | |
Ce2O3 | 1.53 | 0.95 | 2.46 | 2.26 | 1.76 | 1.65 | 0.06 | 0.08 | |
Pr2O3 | 0.26 | 0.12 | 0.49 | 0.18 | 0.39 | 0.43 | 0.02 | 0.02 | |
Nd2O3 | 1.82 | 0.91 | 2.63 | 2.45 | 1.93 | 2.14 | 0.12 | 0.07 | |
Sm2O3 | 0.89 | 0.32 | 1.53 | 1.15 | 1.05 | 1.14 | 0.06 | 0.04 | |
Gd2O3 | 0.92 | 0.52 | 1.56 | 1.33 | 1.37 | 1.24 | 0.10 | 0.04 | |
Dy2O3 | 0.30 | 0.09 | 0.54 | 0.82 | 0.65 | 0.52 | 0.06 | 0.04 | |
Ho2O3 | 0.00 | 0.02 | 0.08 | 0.01 | 0.00 | 0.05 | 0.00 | 0.00 | |
Er2O3 | 0.14 | 0.05 | 0.15 | 0.31 | 0.39 | 0.17 | 0.00 | 0.00 | |
Yb2O3 | 0.19 | 0.07 | 0.18 | 0.11 | 0.22 | 0.23 | 0.00 | 0.00 | |
Lu2O3 | 0.04 | 0.04 | 0.00 | 0.00 | 0.11 | 0.01 | 0.00 | 0.00 | |
Total | 94.4 | 90.85 | 97.71 | 96.29 | 94.74 | 93.63 | 99.91 | 99.38 | |
Structural formulae based on 16 oxygen atoms | |||||||||
Si (apfu.) | 3.30 | 3.61 | 2.94 | 3.08 | 3.11 | 3.20 | 3.99 | 4.04 | |
Ca | 0.24 | 0.34 | 0.39 | 0.34 | 0.33 | 0.37 | 0.00 | 0.03 | |
P | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.03 | 0.28 | |
Pb | 2.89 | 3.01 | 2.83 | 2.92 | 2.90 | 2.90 | 3.83 | 3.59 | |
Th | 0.00 | 0.02 | 0.01 | 0.06 | 0.00 | 0.03 | 0.00 | 0.02 | |
U | 0.60 | 0.46 | 0.95 | 0.77 | 0.77 | 0.67 | 0.08 | 0.02 | |
Y | 0.20 | 0.08 | 0.30 | 0.28 | 0.25 | 0.28 | 0.04 | 0.02 | |
La | 0.01 | 0.01 | 0.02 | 0.03 | 0.01 | 0.02 | 0.00 | 0.00 | |
Ce | 0.11 | 0.07 | 0.18 | 0.17 | 0.13 | 0.12 | 0.00 | 0.01 | |
Pr | 0.02 | 0.01 | 0.04 | 0.01 | 0.03 | 0.03 | 0.00 | 0.00 | |
Nd | 0.13 | 0.07 | 0.19 | 0.18 | 0.14 | 0.16 | 0.01 | 0.01 | |
Sm | 0.06 | 0.02 | 0.10 | 0.08 | 0.07 | 0.08 | 0.00 | 0.00 | |
Gd | 0.06 | 0.04 | 0.10 | 0.09 | 0.09 | 0.08 | 0.01 | 0.00 | |
Dy | 0.02 | 0.01 | 0.03 | 0.05 | 0.04 | 0.03 | 0.00 | 0.00 | |
Ho | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
Er | 0.01 | 0.00 | 0.01 | 0.02 | 0.02 | 0.01 | 0.00 | 0.00 | |
Yb | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.00 | |
Lu | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | |
Total | 7.66 | 7.75 | 8.11 | 8.12 | 7.91 | 7.99 | 7.99 | 8.02 |