Sample | HB1 | HB2 | HB3 | HB4 | HB5 | HB6 | HB7 | HB8 | HB9 |
SiO2 | 29.4 | 31.1 | 29.11 | 30.02 | 30.92 | 30.99 | 28.22 | 28.99 | 30.28 |
TiO2 | 0.01 | 0 | 0.01 | 0.01 | 0 | 0.01 | 0.04 | 0.01 | 0.01 |
Al2O3 | 18.12 | 20.08 | 18.18 | 18.66 | 19.01 | 19.19 | 18.61 | 19.22 | 19.84 |
MnO | 0.49 | 0.5 | 0.48 | 0.43 | 0.5 | 0.47 | 0.44 | 0.38 | 0.39 |
MgO | 18.91 | 20.34 | 18.87 | 19.04 | 20.63 | 20.78 | 18.59 | 19.24 | 20.52 |
CaO | 0.1 | 0.09 | 0.15 | 0.05 | 0.06 | 0.09 | 0.08 | 0.1 | 0.14 |
Na2O | 0.15 | 0.02 | 0.03 | 0.04 | 0.36 | 0.14 | 0.08 | 0.16 | 0.05 |
K2O | 0.03 | 0.02 | 0.01 | 0.04 | 0.02 | 0.02 | 0 | 0.01 | 0.05 |
FeO | 22.72 | 22.43 | 22.5 | 22.89 | 21.7 | 22.08 | 21.52 | 21.75 | 21.46 |
Sample | HB10 | HB11 | HB12 | HB13 | HB14 | HB15 | HB16 |
|
|
SiO2 | 29.49 | 29.01 | 29.26 | 29.4 | 33.16 | 32.91 | 32.62 |
|
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TiO2 | 0.01 | 0 | 0 | 0.02 | 0 | 0.01 | 0 |
|
|
Al2O3 | 17.89 | 16.96 | 17.55 | 16.7 | 16.36 | 17.44 | 18.95 |
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|
MnO | 0.3 | 0.28 | 0.27 | 0.3 | 0.32 | 0.33 | 0.36 |
|
|
MgO | 19.12 | 18.74 | 18.71 | 18.2 | 25.11 | 27.08 | 23.82 |
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|
CaO | 0.16 | 0.23 | 0.18 | 0.14 | 0.17 | 0.1 | 0.15 |
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|
Na2O | 0.28 | 0.13 | 0.07 | 0.02 | 0 | 0.08 | 0.08 |
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|
K2O | 0.02 | 0 | 0.02 | 0.03 | 0.14 | 0.06 | 0.13 |
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|
FeO | 21.98 | 22.32 | 22.16 | 22.52 | 12.43 | 11.95 | 12.73 |
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