SAMPLE | Ba15 | Ba16 | Ba17 | Ba18 | Ba19 | Ba20 | Ba21 | Ba22 | Ba23 | Ba24 | Ba25 | Ba26 | Ba27 | Ba28 |
Major elements (wt%) | ||||||||||||||
SiO2 | 47.4 | 48.9 | 47.2 | 49 | 49.2 | 49 | 47 | 49.3 | 47.9 | 49.6 | 47.5 | 47 | 48.9 | 49 |
Al2O3 | 13.6 | 13.6 | 13.4 | 14 | 14.1 | 13 | 13 | 13.7 | 12.9 | 13.3 | 15.4 | 14 | 14.2 | 13 |
Fe2O3 | 14.1 | 14.5 | 14.5 | 14 | 16.2 | 15 | 15 | 16.1 | 15.3 | 15 | 12.6 | 13 | 14 | 15 |
CaO | 9.48 | 11.1 | 11.9 | 11 | 8.91 | 9.44 | 4.9 | 8.94 | 9.06 | 10.2 | 11.9 | 11 | 9.87 | 9.3 |
MgO | 7.04 | 6.87 | 6.63 | 6.9 | 5.93 | 6.17 | 4.6 | 5.84 | 6.13 | 5.8 | 5.22 | 6.6 | 6.49 | 5.9 |
Na2O | 2.63 | 2.29 | 1.92 | 2.1 | 3.07 | 2.4 | 2.9 | 2.86 | 2.49 | 2.6 | 1.8 | 1.8 | 2.85 | 2.6 |
K2O | 0.16 | 0.02 | 0.23 | 0.1 | 0.16 | 0.04 | 0 | 0.21 | 0.03 | 0.07 | 0.27 | 0.2 | 0.16 | 0.2 |
Cr2O3 | 0.05 | 0.06 | 0.06 | 0.1 | 0.03 | 0.05 | 0 | 0.03 | 0.04 | 0.04 | 0.05 | 0.1 | 0.05 | 0 |
TiO2 | 0.98 | 1.12 | 1.12 | 1.1 | 1.24 | 1.19 | 1.2 | 1.25 | 1.21 | 1.2 | 0.88 | 0.9 | 0.91 | 1.2 |
MnO | 0.21 | 0.22 | 0.2 | 0.2 | 0.21 | 0.22 | 0.2 | 0.21 | 0.22 | 0.22 | 0.19 | 0.2 | 0.2 | 0.2 |
P2O5 | 0.09 | 0.12 | 0.15 | 0.1 | 0.11 | 0.11 | 0.1 | 0.11 | 0.1 | 0.11 | 0.07 | 0.1 | 0.08 | 0.1 |
SrO | 0.01 | 0.01 | 0.04 | 0 | 0.01 | 0.02 | 0 | 0.01 | 0.01 | 0.01 | 0.01 | 0 | 0.01 | 0 |
BaO | 0.01 | 0.01 | 0.01 | 0 | 0.01 | 0.01 | 0 | 0.01 | 0.01 | 0.01 | 0.01 | 0 | 0.01 | 0 |
LOI | 3.08 | 2.93 | 2.95 | 3.2 | 1.78 | 4.14 | 9.5 | 3.07 | 3.8 | 3.22 | 3.41 | 2.8 | 2.36 | 2.7 |
total | 98.84 | 101 | 100.3 | 101.8 | 100.9 | 100.79 | 98.4 | 101.6 | 99.2 | 101.4 | 99.3 | 97.7 | 100.1 | 99.2 |
Traces elements (ppm) | ||||||||||||||
Ba | 52.1 | 22.5 | 56.4 | 28 | 40.3 | 27.3 | 74 | 37.5 | 25.9 | 26.1 | 23.6 | 41 | 33.8 | 63 |
Ce | 11.3 | 12 | 13.2 | 13 | 8.8 | 9.2 | 11 | 7.9 | 8.6 | 8.9 | 7 | 7.1 | 7.8 | 9.1 |
Cr | 270 | 500 | 520 | 470 | 230 | 380 | 120 | 180 | 290 | 290 | 420 | 370 | 400 | 250 |
Cs | 0.13 | 0.12 | 0.12 | 0.1 | 0.18 | 0.79 | 0.4 | 1.06 | 0.72 | 0.4 | 0.56 | 0.2 | 0.24 | 0.4 |
Dy | 3.92 | 4.94 | 5.17 | 5.1 | 4.71 | 5.02 | 5.4 | 4.47 | 4.89 | 4.99 | 3.48 | 3.3 | 3.56 | 5 |
Er | 2.6 | 3.35 | 3.59 | 3.3 | 3.07 | 3.53 | 3.6 | 3.03 | 3.31 | 3.47 | 2.45 | 2.3 | 2.52 | 3.4 |
Eu | 0.97 | 0.95 | 1.11 | 1 | 1.01 | 1.02 | 1.1 | 0.91 | 0.97 | 1 | 0.77 | 0.7 | 0.81 | 1 |
Ga | 15.4 | 16.3 | 18.2 | 17 | 17.7 | 17.7 | 17 | 15.8 | 18 | 18.4 | 16.6 | 16 | 16.3 | 18 |
Gd | 3.33 | 3.7 | 4.12 | 3.8 | 3.82 | 4 | 4.4 | 3.37 | 3.72 | 3.9 | 2.73 | 2.8 | 2.9 | 3.9 |
Hf | 1.9 | 2.1 | 2.2 | 2.1 | 2.1 | 2.1 | 2.3 | 1.6 | 2 | 2 | 1.7 | 1.5 | 1.5 | 1.8 |
Ho | 0.86 | 1.02 | 1.18 | 1.1 | 1.04 | 1.11 | 1.2 | 0.97 | 1.04 | 1.08 | 0.76 | 0.7 | 0.81 | 1.1 |
La | 4.5 | 4.6 | 5.3 | 4.9 | 3.2 | 3.4 | 4.5 | 2.9 | 3.2 | 3.3 | 2.5 | 2.6 | 2.9 | 3.4 |
Lu | 0.42 | 0.53 | 0.54 | 0.5 | 0.48 | 0.52 | 0.6 | 0.46 | 0.51 | 0.52 | 0.38 | 0.4 | 0.4 | 0.5 |
Nb | 4.9 | 5 | 5.1 |
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| 2.1 | 2 | 2.2 | ||
Nd | 8.2 | 8.4 | 9.5 | 8.8 | 7.5 | 7.7 | 8.8 | 6.6 | 6.8 | 7.4 | 5.5 | 5.8 | 6 | 7.4 |
Pr | 1.67 | 1.75 | 1.91 | 1.8 | 1.34 | 1.44 | 1.7 | 1.23 | 1.32 | 1.41 | 1.14 | 1.1 | 1.18 | 1.5 |
Rb | 2 | 0.2 | 5.1 | 1.8 | 1.7 | 0.8 | 1.3 | 4 | 0.8 | 1.1 | 10.1 | 3.7 | 3.3 | 5.2 |
Sm | 2.47 | 2.81 | 3.01 | 3 | 2.65 | 2.79 | 3 | 2.11 | 2.68 | 2.73 | 2.02 | 1.9 | 2 | 2.7 |
Sr | 79.5 | 76.7 | 382 | 169 | 99.3 | 152 | 97 | 100 | 127 | 107 | 137 | 81 | 99.4 | 121 |
Tb | 0.59 | 0.68 | 0.76 | 0.7 | 0.67 | 0.75 | 0.8 | 0.61 | 0.67 | 0.7 | 0.49 | 0.5 | 0.54 | 0.7 |
Th | 0.39 | 0.37 | 0.43 | 0.4 | 0.28 | 0.29 | 0.4 | 0.29 | 0.27 | 0.28 | 0.18 | 0.2 | 0.28 | 0.3 |
Ti | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.50 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Tm | 0.4 | 0.51 | 0.53 | 0.5 | 0.46 | 0.54 | 0.6 | 0.44 | 0.51 | 0.48 | 0.36 | 0.4 | 0.37 | 0.5 |
U | 0.12 | 0.1 | 0.14 | 0.1 | 0.09 | 0.08 | 0.1 | 0.08 | 0.09 | 0.09 | 0.05 | 0.1 | 0.09 | 0.1 |
V | 364 | 280 | 315 | 285 | 397 | 424 | 406 | 359 | 405 | 405 | 336 | 342 | 353 | 401 |
Y | 23.2 | 28.9 | 31.1 | 30 | 28.8 | 30.1 | 32 | 26 | 29.2 | 29.7 | 20.6 | 21 | 21.3 | 30 |
Yb | 2.52 | 3.16 | 3.51 | 3.3 | 3.18 | 3.33 | 3.5 | 2.95 | 3.16 | 3.48 | 2.37 | 2.4 | 2.37 | 3.2 |
Zr | 59 | 69 | 72 | 70 | 62 | 63 | 71 | 54 | 66 | 64 | 53 | 46 | 51 | 60 |
Cu | 229 | 186 | 275 | 181 | 134 | 149 | 172 | 168 | 158 | 131 | 143 | 137 | 142 | 166 |
Ni | 120 | 344 | 196 | 137 | 112 | 143 | 66 | 86 | 232 | 133 | 145 | 134 | 143 | 138 |
Zr/Y | 2.54 | 2.38 | 2.31 | 2.33 | 2.15 | 2.09 | 2.21 | 2.07 | 2.26 | 2.15 | 2.57 | 2.19 | 2.39 | 2 |
Zr/Nb |
| 14.08 | 14.4 | 13.72 |
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| 25.23 | 23 | 23.18 |
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Nb/Th |
| 13.24 | 11.62 | 12.75 |
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| 11.66 | 10 | 7.85 |
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Nb/Y |
| 0.16 | 0.16 | 0.17 |
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| 0.10 | 0.09 | 0.10 |
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Eu/Eu* | 1.03 | 0.90 | 0.96 | 0.90 | 0.97 | 0.93 | 0.92 | 1.04 | 0.94 | 0.94 | 1.00 | 0.93 | 1.03 | 0.94 |
(La/Yb)N | 1.22 | 0.99 | 1.03 | 1.01 | 0.68 | 0.69 | 0.88 | 0.67 | 0.69 | 0.65 | 0.72 | 0.74 | 0.83 | 0.72 |
(La/Sm)N | 1.14 | 1.03 | 1.10 | 1.02 | 0.76 | 0.76 | 0.94 | 0.86 | 0.75 | 0.76 | 0.78 | 0.86 | 0.91 | 0.79 |