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We present new experimental data on major and trace element partition coefficients between alkali feldspar and trachytic melt. Experiments were conducted at 500 MPa, 870–890 °C to investigate through short disequilibrium and long near-equilibrium experiments the influence of diffusive re-equilibration on trace element partitioning during crystallization. Our data show that Ba and Sr behave compatibly,...
New data on water solubility in trachytic melts at pressures from 20 to 200 MPa and 850 °C are reported. Three trachytes, which differ mainly in Na/K ratio, were studied. The glasses obtained from water saturated experiments were analysed using both infrared spectroscopy (FTIR) and Karl Fischer Titration (KFT). The independent KFT data on total water contents were used to calculate linear molar absorptivity...
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