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Rock type:
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Staurolite-bearing high-grade schist
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Corundum-bearing schist
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Gneiss
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Granite
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|---|---|---|---|---|---|---|---|---|---|---|---|
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Sample:
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976B-74X-1, 30-34 cm
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76R-1, 03-07 cm
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74X-1, 30-34 cm
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76R-1, 45-49 cm
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76R-1,
03-07 cm |
77R-2, 24-26 cm
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77R-2, 40-42 cm
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77R-2, 24-26 cm
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98R-1, 38-40 cm
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98R-1, 38-40 cm
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82R-1, 93-98 cm
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|
Textural position:
|
Matrix
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Matrix
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Rim garnet
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Included garnet II
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Included plagioclase
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Matrix
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Matrix
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Included Pl
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Matrix
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Matrix
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Matrix
|
|
Analytic point:
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B-24
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D-11
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C-29
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B-103
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B-44
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E-15
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F-27
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B-23
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9
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13
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A-2
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| SiO2 | 34.94 | 34.55 | 34.55 | 33.81 | 33.38 | 34.13 | 35.81 | 34.41 | 34.13 | 33.95 | 35.19 |
| Al2O3 | 20.68 | 20.84 | 19.57 | 18.23 | 19.81 | 20.73 | 18.70 | 19.30 | 19.12 | 19.99 | 19.69 |
| TiO2 | 2.84 | 3.62 | 3.44 | 3.70 | 3.86 | 2.27 | 1.42 | 4.38 | 2.35 | 3.34 | 3.36 |
| MgO | 4.68 | 2.92 | 5.19 | 4.10 | 3.51 | 4.92 | 8.87 | 4.61 | 4.89 | 4.55 | 5.32 |
| FeO | 23.09 | 23.45 | 22.99 | 25.96 | 24.55 | 23.47 | 20.56 | 23.06 | 25.30 | 24.20 | 21.75 |
| MnO | 0.23 | 0.12 | 0.24 | 0.20 | 0.10 | 0.24 | 0.24 | 0.24 | 0.30 | 0.40 | 0.35 |
| CaO | 0.02 | 0.02 | 0.00 | 0.02 | 0.03 | 0.01 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 |
| Na2O | 0.18 | 0.12 | 0.09 | 0.19 | 0.16 | 0.11 | 0.15 | 0.17 | 0.15 | 0.13 | 0.08 |
| K2O | 8.77 | 9.27 | 9.07 | 8.66 | 9.15 | 8.82 | 9.12 | 9.16 | 9.08 | 9.03 | 8.98 |
| Total | 95.43 | 94.91 | 95.14 | 94.87 | 94.55 | 94.70 | 94.89 | 95.35 | 95.32 | 95.59 | 94.71 |
| Cations normalized to 22 oxygens (all Fe as Fe2+) | |||||||||||
| Si | 5.374 | 5.367 | 5.352 | 5.346 | 5.257 | 5.313 | 5.492 | 5.330 | 5.352 | 5.278 | 5.433 |
| Aliv | 2.626 | 2.633 | 2.648 | 2.654 | 2.743 | 2.687 | 2.508 | 2.670 | 2.648 | 2.722 | 2.567 |
| Sum Z | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 | 8.000 |
| Alvi | 1.124 | 1.185 | 0.926 | 0.743 | 0.936 | 1.117 | 0.872 | 0.855 | 0.886 | 0.941 | 1.016 |
| Ti | 0.328 | 0.423 | 0.401 | 0.440 | 0.457 | 0.266 | 0.164 | 0.510 | 0.278 | 0.391 | 0.391 |
| Mg | 1.072 | 0.676 | 1.199 | 0.967 | 0.823 | 1.141 | 2.027 | 1.064 | 1.142 | 1.054 | 1.224 |
| Fe2+ | 2.970 | 3.046 | 2.978 | 3.432 | 3.234 | 3.055 | 2.636 | 2.987 | 3.318 | 3.146 | 2.807 |
| Mn | 0.030 | 0.016 | 0.032 | 0.027 | 0.014 | 0.032 | 0.032 | 0.031 | 0.039 | 0.053 | 0.045 |
| Sum Y | 5.524 | 5.346 | 5.536 | 5.609 | 5.464 | 5.611 | 5.731 | 5.447 | 5.663 | 5.585 | 5.483 |
| Ca | 0.004 | 0.003 | 0.001 | 0.003 | 0.004 | 0.001 | 0.003 | 0.004 | 0.000 | 0.000 | 0.000 |
| Na | 0.055 | 0.036 | 0.027 | 0.058 | 0.049 | 0.034 | 0.046 | 0.050 | 0.045 | 0.039 | 0.023 |
| K | 1.721 | 1.837 | 1.792 | 1.746 | 1.838 | 1.751 | 1.785 | 1.810 | 1.816 | 1.791 | 1.768 |
| Sum X | 1.780 | 1.876 | 1.820 | 1.807 | 1.891 | 1.786 | 1.834 | 1.864 | 1.861 | 1.830 | 1.791 |