lava | trachyte | phonolite | ||||||||||
sample | NG01 | NG02 | NG03 | NGZ1 | NGZ2 | NGZ3 | NGDF | NGDF | NGDF | NGB | NGB | NGB |
SiO2 | 49.08 | 49.7 | 48.73 | 43.37 | 46.51 | 47.71 | 47.83 | 50.25 | 49.6 | 47.67 | 48.92 | 50.39 |
TiO2 | 1.1 | 1.19 | 0.99 | 2.48 | 1.7 | 0.94 | 1 | 0.56 | 0.53 | 1.77 | 1.28 | 0.93 |
Al2O3 | 2.22 | 2.38 | 2.07 | 8.62 | 6.42 | 4.4 | 4.23 | 2.22 | 3.31 | 5.88 | 4 | 1.78 |
FeO | 11.44 | 10.94 | 11.55 | 13.78 | 11.96 | 14.92 | 13.98 | 13.78 | 14.4 | 12.38 | 12.77 | 14.5 |
FnO | 1.54 | 1.6 | 1.58 | 0.73 | 8.63 | 1.28 | 1.47 | 2.37 | 1.77 | 0.83 | 1.25 | 2.05 |
MgO | 10.75 | 10.58 | 10.63 | 7.54 | 9.2 | 7.58 | 8.13 | 8.45 | 8.15 | 8.94 | 9.17 | 8.15 |
CaO | 21.04 | 21.52 | 21.02 | 21.37 | 21.36 | 20.41 | 19.91 | 19.95 | 19.08 | 20.9 | 20.95 | 20.3 |
Na2O | 1.57 | 1.52 | 1.67 | 1.62 | 1.57 | 1.63 | 2.5 | 2.14 | 2.81 | 1.79 | 1.81 | 2.33 |
ZrO2 | 0.21 | 0.14 | 0.21 | 0.22 | 0.03 | 0.15 | - | - | - | 0.1 | 0.06 | 0.08 |
Total | 98.97 | 99.57 | 98.45 | 99.73 | 99.38 | 99.41 | 99.19 | 99.94 | 99.85 | 100.24 | 100.2 | 100.5 |
Fe2O3 (cal) | 7.57 | 7.72 | 8.46 | 9.72 | 7.21 | 6.7 | 9.97 | 6.82 | 9.33 | 6.24 | 6.65 | 7.55 |
FeO (Cal) | 4.63 | 5.4 | 3.94 | 5.03 | 5.47 | 8.89 | 5.01 | 7.65 | 6 | 6.77 | 6.78 | 7.71 |
Total (Cal) | 99.73 | 101.3 | 99.3 | 100.7 | 100.11 | 100.09 | 100.19 | 100.62 | 100.78 | 100.86 | 100.87 | 101.26 |
Si | 1.867 | 1.865 | 1.863 | 1.653 | 1.763 | 1.835 | 1.824 | 1.913 | 1.879 | 1.796 | 1.846 | 1.91 |
Ti | 0.031 | 0.034 | 0.028 | 0.071 | 0.049 | 0.027 | 0.029 | 0.016 | 0.015 | 0.05 | 0.036 | 0.026 |
Al VI | - | - | - | 0.04 | 0.049 | 0.034 | 0.015 | 0.013 | 0.027 | 0.056 | 0.024 | 0 |
Al IV | 0.1 | 0.105 | 0.093 | 0.347 | 0.237 | 0.165 | 0.176 | 0.087 | 0.121 | 0.204 | 0.154 | 0.079 |
Fe (+3) VI | 0.183 | 0.175 | 0.199 | 0.279 | 0.206 | 0.194 | 0.286 | 0.195 | 0.266 | 0.177 | 0.189 | 0.205 |
Fe2+ | 0.147 | 0.17 | 0.126 | 0.16 | 0.173 | 0.286 | - | - | - | 0.213 | 0.214 | 0.24 |
Mn | 0.05 | 0.051 | 0.051 | 0.024 | 0.02 | 0.042 | 0.047 | 0.077 | 0.057 | 0.026 | 0.04 | 0.066 |
Mg | 0.61 | 0.592 | 0.606 | 0.042 | 0.52 | 0.434 | 0.462 | 0.48 | 0.461 | 0.502 | 0.516 | 0.46 |
Ca | 0.857 | 0.865 | 0.861 | 0.873 | 0.867 | 0.857 | 0.814 | 0.814 | 0.774 | 0.843 | 0.847 | 0.825 |
Na | 0.117 | 0.111 | 0.124 | 0.12 | 0.115 | 0.121 | 0.185 | 0.158 | 0.206 | 0.13 | 0.133 | 0.171 |
Zr | 0.004 | 0.003 | 0.004 | - | - | - | - | - | - | 0.002 | 0.001 | 0.002 |
WO | 49.2 | 49.2 | 50.1 | 51.2 | 49.5 | 49.2 | 51 | 48.3 | 49.1 | 48.5 | 49.1 | 50.1 |
En | 42.3 | 40.8 | 43.1 | 38.1 | 39.1 | 31.4 | 38 | 34.7 | 36.9 | 36.7 | 36.7 | 33.1 |
Fs | 8.5 | 10 | 6.8 | 10.7 | 11.3 | 19.4 | 11.1 | 16.9 | 14 | 14.8 | 14.2 | 16.8 |