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Table 2

Chemical compositions (oxide wt%) of the samples used for the P–T pseudosection calculations. Fe2O3 corresponds to total Fe.

wt%
Sample SiO2 Al2O3 Fe2O3 MnO MgO CaO Na2O K2O TiO2 Total
SP3B 67.20 15.7 5.19 0.08 2.09 3.53 3.66 1.85 0.57 99.87
GDB8 56.40 19.60 10.40 0.12 3.92 1.97 3.19 2.20 0.99 98.79
SAN 56.00 24.10 9.25 0.10 3.45 0.69 1.34 2.37 0.88 98.18
MAD1A 66.10 16.10 6.25 0.02 2.94 1.83 1.74 2.00 0.63 97.61
KOU7 63.00 17.90 8.16 0.07 2.73 1.88 2.41 2.09 0.69 98.93

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