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Efrén Pérez Segura - Centro de Geociencias ::.. UNAM

Efrén Pérez Segura - Centro de Geociencias ::.. UNAM

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Garnet<br />

03952-8 sample 03952-9 03952-10 03952-11 03952-12<br />

37.50 SiO2 36.21 36.37 37.74 39.13<br />

0.02 TiO2 0.03 0.03 0.51 0.58<br />

0.00 ZrO2 0.00 0.00 0.00 0.00<br />

2.84 Al2O3 2.24 2.44 12.30 16.74<br />

0.01 Cr2O3 0.00 0.00 0.00 0.02<br />

25.12 Fe2O3 calc. 27.45 26.27 14.02 8.60<br />

0.00 Y203 0.00 0.00 0.00 0.00<br />

0.00 V2O3 0.00 0.00 0.00 0.00<br />

2.72 FeO calc. 0.98 2.14 0.27 0.38<br />

0.24 MnO 0.35 0.20 0.19 0.41<br />

0.00 MgO 0.01 0.01 0.22 0.42<br />

32.70 CaO 32.75 32.11 34.79 35.58<br />

101.14 Total 100.02 99.58 100.04 101.87<br />

3.084 Si 3.025 3.050 2.989 2.979<br />

0.000 Al iv 0.000 0.000 0.011 0.021<br />

3.084 somme 3.025 3.050 3.000 3.000<br />

0.275 Al vi 0.220 0.241 1.136 1.482<br />

0.001 Ti 0.001 0.001 0.020 0.022<br />

0.000 Cr 0.000 0.000 0.000 0.001<br />

1.554 Fe3+ 1.726 1.658 0.835 0.493<br />

1.831 somme 1.948 1.900 1.992 1.998<br />

0.187 Fe2+ 0.069 0.150 0.018 0.024<br />

0.017 Mn 0.025 0.014 0.013 0.027<br />

0.000 Mg 0.001 0.002 0.026 0.047<br />

2.881 Ca 2.932 2.885 2.952 2.903<br />

3.085 somme 3.027 3.051 3.008 3.002<br />

8.000 Total 8.000 8.000 8.000 8.000<br />

0.0 Pyrope 0.0 0.1 0.9 1.6<br />

6.1 Almandin 2.3 4.9 0.6 0.8<br />

0.5 Spessartine 0.8 0.5 0.4 0.9<br />

84.9 Andradite 88.6 87.3 41.9 24.7<br />

0.0 Uvarovite 0.0 0.0 0.0 0.1<br />

8.5 Grossulaire 8.3 7.3 56.2 72.0<br />

100.0 100.0 100.0 100.0 100.0

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