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

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Garnet<br />

03443-5 03443-6 sample 03443-7 03383-3 03383-5<br />

36.16 38.46 SiO2 39.42 36.97 36.87<br />

0.63 0.53 TiO2 0.60 1.03 1.55<br />

0.00 0.00 ZrO2 0.00 0.00 0.00<br />

14.26 11.93 Al2O3 14.94 14.90 13.97<br />

0.00 0.02 Cr2O3 0.03 0.29 0.50<br />

12.74 12.77 Fe2O3 calc. 8.92 9.97 11.65<br />

0.00 0.00 Y203 0.00 0.00 0.00<br />

0.00 0.00 V2O3 0.00 0.00 0.00<br />

0.00 0.65 FeO calc. 1.32 0.00 0.00<br />

0.20 0.15 MnO 0.25 0.27 0.31<br />

0.28 0.18 MgO 0.29 0.42 0.46<br />

35.21 35.27 CaO 35.46 35.69 35.38<br />

99.49 99.95 Total 101.23 99.54 100.69<br />

2.877 3.042 Si 3.038 2.919 2.900<br />

0.123 0.000 Al iv 0.000 0.081 0.100<br />

3.000 3.042 somme 3.038 3.000 3.000<br />

1.214 1.112 Al vi 1.357 1.306 1.195<br />

0.025 0.021 Ti 0.024 0.040 0.060<br />

0.000 0.001 Cr 0.002 0.018 0.031<br />

0.763 0.760 Fe3+ 0.517 0.593 0.690<br />

2.002 1.894 somme 1.900 1.956 1.976<br />

0.000 0.043 Fe2+ 0.085 0.000 0.000<br />

0.013 0.010 Mn 0.016 0.018 0.021<br />

0.033 0.021 Mg 0.034 0.049 0.053<br />

3.001 2.989 Ca 2.927 3.019 2.982<br />

3.047 3.063 somme 3.062 3.086 3.056<br />

8.049 8.000 Total 8.000 8.042 8.032<br />

1.1 0.7 Pyrope 1.1 1.6 1.7<br />

0.0 1.4 Almandin 2.8 0.0 0.0<br />

0.4 0.3 Spessartine 0.5 0.6 0.7<br />

38.1 40.1 Andradite 27.2 30.3 34.9<br />

0.0 0.1 Uvarovite 0.1 0.9 1.6<br />

60.4 57.4 Grossulaire 68.3 66.6 61.1<br />

100.0 100.0 100.0 100.0 100.0

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