1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Spot analysis | |||||||||||||||
SiO2 | 51.32 | 50.98 | 50.67 | 51.07 | 50.82 | 51.16 | 50.3 | 49.85 | 48.46 | 48.29 | 49.84 | 50.33 | 48.61 | 49.71 | 47.29 |
TiO2 | 0.79 | 1.11 | 1.01 | 0.91 | 0.85 | 0.8 | 0.61 | 1.2 | 1.59 | 1.73 | 0.65 | 0.62 | 1.09 | 0.83 | 1.92 |
Al2O3 | 1.87 | 2.24 | 2.15 | 1.96 | 2.24 | 1.42 | 1.8 | 3.08 | 4.03 | 4.56 | 1.77 | 1.72 | 2.63 | 2.24 | 4.88 |
FeO | 9.17 | 9.27 | 9.65 | 9.87 | 9.37 | 9.45 | 13.9 | 7.96 | 7.74 | 6.78 | 14.26 | 12.48 | 14.37 | 12.64 | 6.92 |
MnO | 0.17 | 0.22 | 0.16 | 0.22 | 0.33 | 0.39 | 0.68 | 0.15 | 0.13 | 0.19 | 0.48 | 0.58 | 0.68 | 0.42 | 0.15 |
MgO | 12.52 | 11.77 | 11.74 | 11.78 | 11.34 | 12.54 | 8.78 | 12.58 | 11.99 | 12.42 | 8.64 | 9.7 | 8.26 | 9.11 | 11.85 |
CaO | 22.82 | 23.07 | 22.89 | 22.67 | 22.58 | 23.05 | 21.09 | 23.76 | 23.99 | 24.28 | 20.68 | 21.71 | 20.86 | 21.31 | 24.13 |
Na2O | 1.07 | 1.28 | 1.19 | 1.2 | 1.26 | 0.47 | 1.84 | 0.85 | 0.83 | 0.7 | 1.82 | 1.64 | 1.88 | 1.81 | 0.74 |
K2O | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.04 | 0.02 | 0.00 | 0.00 | 0.02 |
Total | 99.73 | 99.95 | 99.46 | 99.68 | 98.79 | 99.30 | 99.02 | 99.45 | 98.79 | 98.98 | 98.18 | 98.80 | 98.38 | 98.07 | 98.00 |
On the basis of 6O | |||||||||||||||
Si | 1.916 | 1.903 | 1.903 | 1.915 | 1.922 | 1.931 | 1.928 | 1.863 | 1.825 | 1.810 | 1.929 | 1.923 | 1.880 | 1.915 | 1.795 |
Ti | 0.022 | 0.031 | 0.029 | 0.026 | 0.024 | 0.023 | 0.018 | 0.034 | 0.045 | 0.049 | 0.019 | 0.018 | 0.032 | 0.024 | 0.055 |
Al | 0.082 | 0.099 | 0.095 | 0.087 | 0.100 | 0.063 | 0.081 | 0.136 | 0.179 | 0.201 | 0.081 | 0.077 | 0.120 | 0.102 | 0.218 |
Fe3 | 0.118 | 0.126 | 0.128 | 0.120 | 0.100 | 0.066 | 0.165 | 0.134 | 0.143 | 0.133 | 0.163 | 0.163 | 0.198 | 0.155 | 0.137 |
Fe2 | 0.168 | 0.163 | 0.175 | 0.190 | 0.196 | 0.233 | 0.280 | 0.115 | 0.101 | 0.079 | 0.299 | 0.236 | 0.267 | 0.252 | 0.082 |
Mn | 0.005 | 0.007 | 0.005 | 0.007 | 0.011 | 0.012 | 0.022 | 0.005 | 0.004 | 0.006 | 0.016 | 0.019 | 0.022 | 0.014 | 0.005 |
Mg | 0.697 | 0.655 | 0.657 | 0.658 | 0.639 | 0.705 | 0.502 | 0.701 | 0.673 | 0.694 | 0.498 | 0.553 | 0.476 | 0.523 | 0.671 |
Ca | 0.913 | 0.923 | 0.921 | 0.911 | 0.915 | 0.932 | 0.866 | 0.951 | 0.968 | 0.975 | 0.857 | 0.889 | 0.864 | 0.880 | 0.981 |
Na | 0.077 | 0.093 | 0.087 | 0.087 | 0.092 | 0.034 | 0.137 | 0.062 | 0.061 | 0.051 | 0.137 | 0.122 | 0.141 | 0.135 | 0.054 |
K | 0 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | 0.002 | 0.001 | 0.000 | 0.000 | 0.001 |
Sum | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 |
Mg# | 80.57 | 80.04 | 78.99 | 77.61 | 76.49 | 75.19 | 66.16 | 85.94 | 86.99 | 89.77 | 62.50 | 70.08 | 64.08 | 67.47 | 89.07 |