Feldspar | Plag | Plag | Plag | Kfs | Kfs | Plag | Kfs |
---|---|---|---|---|---|---|---|
Geol. unit | Brgr | Brgr | Brgr | Brgr | Brgr | cAgr | cAgr |
# Points | 11 | 1 | 1 | 24 | 1 | 9 | 7 |
SiO2 | 68.45 | 68.57 | 67.85 | 64.45 | 64.78 | 68.49 | 63.43 |
Al2O3 | 20.02 | 19.86 | 20.39 | 18.28 | 18.2 | 20.23 | 18.8 |
FeO | 0.07 | 0.07 | bd | 0.07 | 0.11 | 0.03 | 0.06 |
CaO | 0.56 | 0.02 | 0.94 | 0.01 | 0.03 | 0.67 | 2.14 |
Na2O | 11.46 | 11.61 | 10.64 | 0.44 | 0.6 | 11.52 | 0.57 |
K2O | 0.13 | 0.13 | 0.15 | 15.97 | 16.58 | 0.08 | 15.07 |
Total | 100.72 | 100.27 | 100 | 99.24a | 100.31a | 101.03 | 100.08b |
Oxygen | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Si | 2.974 | 2.987 | 2.964 | 2.999 | 2.995 | 2.967 | 2.968 |
Al | 1.025 | 1.019 | 1.050 | 1.003 | 0.992 | 1.033 | 1.037 |
Fe(2) | 0.003 | 0.003 | – | 0.003 | 0.004 | 0.001 | 0.002 |
Ca | 0.026 | 0.001 | 0.044 | 0.000 | 0.001 | 0.031 | 0.001 |
Na | 0.965 | 0.980 | 0.901 | 0.040 | 0.054 | 0.967 | 0.051 |
K | 0.007 | 0.007 | 0.008 | 0.948 | 0.978 | 0.004 | 0.959 |
An | 2.61 | 0.09 | 4.61 | 0.05 | 0.14 | 3.10 | 0.10 |
Ab | 96.67 | 99.17 | 94.51 | 4.02 | 5.21 | 96.46 | 5.11 |
Or | 0.72 | 0.73 | 0.88 | 95.93 | 94.65 | 0.44 | 94.79 |