Grt core | Grt rim | Crd | Pl 1 | Pl 2 | Bt Grta | Bt in Crd | Ms | And | |
---|---|---|---|---|---|---|---|---|---|
SiO2 | 36.24 | 36.40 | 47.67 | 48.84 | 57.87 | 32.58 | 33.86 | 47.61 | 36.10 |
TiO2 | 0.08 | 0.00 | 0.00 | 0.08 | 0.04 | 3.13 | 2.35 | 0.20 | 0.08 |
Al2O3 | 20.68 | 20.27 | 32.21 | 32.85 | 27.01 | 20.06 | 20.25 | 37.30 | 62.64 |
FeO | 37.39 | 34.85 | 13.08 | 0.00 | 0.00 | 25.35 | 23.32 | 1.06 | 0.40 |
MnO | 1.85 | 6.89 | 0.47 | 0.00 | 0.00 | 0.21 | 0.24 | 0.00 | 0.02 |
MgO | 1.80 | 0.99 | 4.57 | 0.00 | 0.00 | 4.09 | 5.92 | 0.27 | 0.08 |
CaO | 1.20 | 1.29 | 0.02 | 15.94 | 7.86 | 0.00 | 0.00 | 0.01 | 0.10 |
Na2O | 0.00 | 0.00 | 0.11 | 2.34 | 7.14 | 0.13 | 0.12 | 0.29 | 0.01 |
K2O | 0.00 | 0.00 | 0.00 | 0.04 | 0.16 | 9.99 | 10.13 | 9.14 | 0.00 |
Total | 99.23 | 100.68 | 98.13 | 100.08 | 100.07 | 95.55 | 96.20 | 95.88 | 99.43 |
O | 12 | 12 | 18 | 8 | 8 | 11 | 11 | 11 | 5 |
Si | 2.969 | 2.973 | 5.026 | 2.226 | 2.580 | 2.566 | 2.613 | 3.099 | 0.983 |
Ti | 0.005 | 0.000 | 0.000 | 0.003 | 0.001 | 0.185 | 0.136 | 0.010 | 0.002 |
Al | 2.000 | 1.952 | 4.002 | 1.764 | 1.419 | 1.861 | 1.841 | 2.861 | 2.007 |
Fe | 2.564 | 2.376 | 1.155 | 0.000 | 0.000 | 1.671 | 1.507 | 0.058 | 0.009 |
Mn | 0.128 | 0.479 | 0.042 | 0.000 | 0.000 | 0.014 | 0.016 | 0.000 | 0.001 |
Mg | 0.219 | 0.121 | 0.718 | 0.000 | 0.000 | 0.481 | 0.681 | 0.027 | 0.003 |
Ca | 0.106 | 0.113 | 0.002 | 0.778 | 0.376 | 0.000 | 0.000 | 0.001 | 0.003 |
Na | 0.000 | 0.000 | 0.022 | 0.207 | 0.617 | 0.020 | 0.018 | 0.036 | 0.001 |
K | 0.000 | 0.000 | 0.000 | 0.002 | 0.009 | 1.003 | 0.998 | 0.759 | 0.000 |