Sample | MAZ1 |
| MAZ2 |
| Tob |
| GA |
| LIRI |
| TO1 |
| LO |
| TO2 |
|
Data Set | 3/1. | 7/1. | 29/1. | 30/1. | 90/1. | 60/1. | 99/1. | 100/1. | 174/1. | 165/1. | 130/1. | 131/1. | 189/1. | 190/1. | 217/1. | 226/1. |
SiO2 | 53.56 | 53.86 | 53.37 | 53.17 | 56.43 | 56.53 | 56.83 | 57.28 | 56.85 | 56.34 | 56.61 | 56.75 | 54.90 | 54.96 | 56.11 | 55.83 |
TiO2 | 0.17 | 0.13 | 0.24 | 0.23 | 0.03 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.06 | 0.08 | 0.05 | 0.13 | 0.05 | 0.09 |
Al2O3 | 5.71 | 5.83 | 6.01 | 6.00 | 2.27 | 2.29 | 2.56 | 2.53 | 2.78 | 2.82 | 2.56 | 2.35 | 4.45 | 4.44 | 3.34 | 3.41 |
Cr2O3 | 0.39 | 0.40 | 0.43 | 0.41 | 0.37 | 0.39 | 0.43 | 0.43 | 0.31 | 0.28 | 0.50 | 0.40 | 0.28 | 0.31 | 0.29 | 0.29 |
FeO | 6.67 | 6.98 | 6.90 | 7.08 | 4.92 | 5.07 | 5.18 | 5.15 | 6.16 | 6.25 | 5.03 | 4.89 | 6.04 | 6.40 | 5.60 | 5.83 |
MnO | 0.19 | 0.16 | 0.14 | 0.13 | 0.11 | 0.14 | 0.15 | 0.13 | 0.19 | 0.17 | 0.10 | 0.14 | 0.13 | 0.13 | 0.13 | 0.09 |
MgO | 31.96 | 31.54 | 31.52 | 31.13 | 35.21 | 35.10 | 35.03 | 34.88 | 34.38 | 33.76 | 34.56 | 34.99 | 33.15 | 32.99 | 34.30 | 34.36 |
CaO | 1.14 | 1.19 | 1.29 | 1.24 | 0.49 | 0.49 | 0.55 | 0.51 | 0.47 | 0.83 | 0.60 | 0.59 | 0.79 | 0.74 | 0.40 | 0.45 |
Na2O | 0.19 | 0.18 | 0.19 | 0.17 | 0.00 | 0.00 | 0.07 | 0.04 | 0.07 | 0.10 | 0.09 | 0.09 | 0.08 | 0.08 | 0.06 | 0.08 |
K2O | 0.00 | 0.00 | 0.00 | 0.00 |
|
| 0.00 | 0.00 | 0.00 | 0.00 |
|
|
|
| 0.05 | 0.08 |
Sum | 99.98 | 100.26 | 100.08 | 99.56 | 99.82 | 100.01 | 100.89 | 100.95 | 101.20 | 100.56 | 100.11 | 100.28 | 99.86 | 100.16 | 100.34 | 100.52 |
Fe2O3 (calc.) | 2.21 | 1.35 | 1.92 | 1.42 | 1.33 | 1.12 | 0.88 | 0.00 | 0.64 | 0.88 | 0.20 | 0.74 | 1.09 | 0.93 | 0.61 | 1.40 |
FeO (calc.) | 4.68 | 5.77 | 5.18 | 5.81 | 3.72 | 4.06 | 4.39 | 5.15 | 5.58 | 5.46 | 4.85 | 4.22 | 5.06 | 5.56 | 5.04 | 4.57 |
Sum (calc) | 100.20 | 100.40 | 100.27 | 99.70 | 100.01 | 100.17 | 100.98 | 100.95 | 101.31 | 100.65 | 100.13 | 100.38 | 99.97 | 100.27 | 100.40 | 100.67 |
Si (a.p.f.u.) | 1.852 | 1.861 | 1.847 | 1.852 | 1.933 | 1.935 | 1.932 | 1.947 | 1.934 | 1.931 | 1.936 | 1.935 | 1.893 | 1.893 | 1.921 | 1.908 |
Aliv | 0.148 | 0.139 | 0.153 | 0.148 | 0.067 | 0.065 | 0.068 | 0.053 | 0.066 | 0.069 | 0.064 | 0.065 | 0.107 | 0.107 | 0.079 | 0.092 |
Alvi | 0.084 | 0.099 | 0.092 | 0.099 | 0.025 | 0.028 | 0.034 | 0.048 | 0.046 | 0.045 | 0.040 | 0.029 | 0.074 | 0.073 | 0.055 | 0.045 |
Ti | 0.005 | 0.003 | 0.006 | 0.006 | 0.001 | 0.000 | 0.002 | 0.000 | 0.000 | 0.000 | 0.001 | 0.002 | 0.001 | 0.003 | 0.001 | 0.002 |
Cr | 0.011 | 0.011 | 0.012 | 0.011 | 0.010 | 0.011 | 0.012 | 0.012 | 0.008 | 0.008 | 0.014 | 0.011 | 0.008 | 0.008 | 0.008 | 0.008 |
Fe3+ | 0.058 | 0.035 | 0.050 | 0.037 | 0.034 | 0.029 | 0.023 | 0.000 | 0.016 | 0.023 | 0.022 | 0.035 | 0.028 | 0.024 | 0.020 | 0.043 |
Fe2+ | 0.135 | 0.167 | 0.150 | 0.169 | 0.107 | 0.116 | 0.125 | 0.146 | 0.159 | 0.157 | 0.122 | 0.105 | 0.146 | 0.160 | 0.140 | 0.124 |
Mn | 0.006 | 0.005 | 0.004 | 0.004 | 0.003 | 0.004 | 0.004 | 0.004 | 0.005 | 0.005 | 0.003 | 0.004 | 0.004 | 0.004 | 0.004 | 0.003 |
Mg | 1.647 | 1.625 | 1.626 | 1.617 | 1.798 | 1.792 | 1.775 | 1.767 | 1.744 | 1.725 | 1.762 | 1.779 | 1.704 | 1.694 | 1.750 | 1.750 |
Ca | 0.042 | 0.044 | 0.048 | 0.046 | 0.018 | 0.018 | 0.020 | 0.019 | 0.017 | 0.031 | 0.022 | 0.022 | 0.029 | 0.027 | 0.015 | 0.017 |
Na | 0.013 | 0.012 | 0.013 | 0.011 | 0.004 | 0.003 | 0.005 | 0.003 | 0.005 | 0.007 | 0.006 | 0.006 | 0.006 | 0.005 | 0.004 | 0.005 |
Mg# | 0.924 | 0.907 | 0.916 | 0.905 | 0.944 | 0.939 | 0.934 | 0.924 | 0.917 | 0.917 | 0.935 | 0.944 | 0.921 | 0.914 | 0.926 | 0.934 |
Wo (mol.%) | 2.23 | 2.35 | 2.54 | 2.46 | 0.92 | 0.92 | 1.04 | 0.96 | 0.88 | 1.58 | 1.14 | 1.11 | 1.53 | 1.43 | 0.76 | 0.86 |
En | 87.27 | 86.64 | 86.60 | 86.32 | 91.73 | 91.47 | 91.18 | 91.29 | 89.83 | 88.93 | 91.26 | 91.51 | 89.16 | 88.72 | 90.74 | 90.39 |
Fs | 10.50 | 11.01 | 10.86 | 11.22 | 7.35 | 7.61 | 7.79 | 7.75 | 9.30 | 9.49 | 7.60 | 7.38 | 9.30 | 9.85 | 8.50 | 8.75 |