A. Becker, F. Holtz, J. , and W. , Liquidus temperatures and phase compositions in the system Qz-Ab-Or at 5 kbar and very low water activities, Contributions to Mineralogy and Petrology, vol.130, issue.3-4, pp.213-224, 1998.
DOI : 10.1007/s004100050361

H. Behrens, Determination of water solubilities in high-viscosity melts: an experimental study on NaAlSi 3 O 8 and KAlSi 3 O 8 melts, European Journal of Mineralogy, vol.7, pp.905-920, 1995.

A. L. Boettcher, the system SiO 2 -H 2 O-CO 2 : melting, solubility mechanisms of carbon, and liquid structure to high pressures, American Mineralogist, vol.69, pp.823-833, 1984.

C. W. Burnham, The importance of volatile constituents The evolution of the igneous rocks, pp.439-482, 1979.

C. W. Burnham and H. Nekvasil, Equilibrium properties of granite pegmatite magmas, American Mineralogist, vol.71, pp.239-263, 1986.

S. R. Elliot, Medium-range structural order in covalent amorphous solids, Nature, vol.354, issue.6353, pp.445-452, 1991.
DOI : 10.1038/354445a0

I. Farnan, S. C. Kohn, and R. Dupree, A study of the structural role of water in hydrous silica glass using cross-polarisation magic angle spinning NMR, Geochimica et Cosmochimica Acta, vol.51, issue.10, pp.2869-2873, 1987.
DOI : 10.1016/0016-7037(87)90165-7

J. R. Holloway and J. G. Blank, Application of experimental results to C-O- H species in natural melts, America Reviews in Mineralogy, vol.30, pp.187-230, 1994.

F. Holtz, H. Behrens, D. B. Dingwell, T. , and R. P. , Water solubility in aluminosilicate melts of haplogranite composition at 2 kbar, Chemical Geology, vol.96, issue.3-4, pp.289-302, 1992.
DOI : 10.1016/0009-2541(92)90060-I

F. Holtz, H. Behrens, D. B. Dingwell, J. , and W. , O solubility in haplogranitic melts; compositional, pressure, and temperature dependence, American Mineralogist, vol.80, issue.1-2, pp.94-108, 1995.
DOI : 10.2138/am-1995-1-210

F. Holtz, J. Roux, S. Ohlhorst, H. Behrens, and F. Schulze, The effects of silica and water on the viscosity of hydrous quartzofeldspathic melts, American Mineralogist, vol.84, issue.1-2, pp.27-36, 1999.
DOI : 10.2138/am-1999-1-203

G. C. Kennedy, G. J. Wasserburg, H. C. Heard, N. , and R. C. , The upper three-phase region in the system SiO 2 -H 2 O, American Journal of Science, vol.260, issue.7, pp.501-521, 1962.
DOI : 10.2475/ajs.260.7.501

S. C. Kohn, R. Dupree, and M. E. Smith, Proton environments and hydrogen-bonding in hydrous silicate glasses from proton NMR, Nature, vol.337, issue.6207, pp.539-541, 1989.
DOI : 10.1038/337539a0

S. C. Kohn, M. E. Smith, P. J. Dirken, E. R. Van-eck, A. P. Kentgens et al., Sodium Environments in Dry and Hydrous Albite Glasses: Improved 23Na Solid State NMR Data and Their Implications for Water Dissolution Mechanisms, Geochimica et Cosmochimica Acta, vol.62, issue.1, pp.79-87, 1998.
DOI : 10.1016/S0016-7037(97)00318-9

J. Konnert, P. Antonio, and J. Karle, Comparison of radial distribution function for silica glass with those for various bonding topologies: Use of correlation function, Journal of Non-Crystalline Solids, vol.53, issue.1-2, pp.135-141, 1982.
DOI : 10.1016/0022-3093(82)90023-0

B. O. Mysen, D. Virgo, . 2+, +. Na, and H. +. , Volatiles in silicate melts at high pressure and temperature, Chemical Geology, vol.57, issue.3-4, pp.303-331, 1986.
DOI : 10.1016/0009-2541(86)90056-2

M. Nowak and H. Behrens, The speciation of water in haplogranitic glasses and melts determined by in situ near-infrared spectroscopy, Geochimica et Cosmochimica Acta, vol.59, issue.16, pp.3445-3450, 1995.
DOI : 10.1016/0016-7037(95)00237-T

I. A. Ostrovskiy, G. P. Mishina, and V. M. Povilaitis, Pressure-temperature projection of the system silica-water, Doklady Akademii Nauk SSSR, vol.126, pp.587-588, 1959.

S. Oxtoby, H. , and D. L. , The discrete association of water with Na2O and SiO2 in NaAl silicate melts, Contributions to Mineralogy and Petrology, vol.260, issue.2, pp.185-188, 1978.
DOI : 10.1007/BF00372157

M. Pichavant, F. Holtz, and P. Mcmillan, Phase relations and compositional dependence of H2O solubility in quartz-feldspar melts, Chemical Geology, vol.96, issue.3-4, pp.303-320, 1992.
DOI : 10.1016/0009-2541(92)90061-9

J. Roux, F. Holtz, A. Lefèvre, and F. Schulze, A reliable high-temperature setup for internally heated pressure vessels: applications to silicate melt studies, American Mineralogist, vol.79, pp.1145-1149, 1994.

B. C. Schmidt, T. Riemer, S. C. Kohn, H. Behrens, and R. Dupree, Different water solubility mechanisms in hydrous glasses along the Qz-Ab join. Evidence from NMR spectroscopy, Geochimica et Cosmochimica Acta, 2000.

L. A. Silver and E. M. Stolper, Water in Albitic Glasses, Journal of Petrology, vol.30, issue.3, pp.667-710, 1989.
DOI : 10.1093/petrology/30.3.667

D. B. Stewart, Four-phase curve in the system CaAl 2 -Si 2 O 8 -SiO 2 -H 2 O between 1 and 10 kilobars. Schweizerische Mineralogische und Petrographische Mitteilungen, pp.47-82, 1967.

R. H. Stolen and G. E. Walrafen, Water and its relation to broken bond defects in fused silica, The Journal of Chemical Physics, vol.64, issue.6, pp.2623-2631, 1976.
DOI : 10.1063/1.432516

E. Stolper, Water in silicate glasses: An infrared spectroscopic study, Contributions to Mineralogy and Petrology, vol.63, issue.1964, pp.1-17, 1982.
DOI : 10.1007/BF00371154

D. Sykes and J. D. Kubicki, A model for H2O solubility mechanisms in albite melts from infrared spectroscopy and molecular orbital calculations, Geochimica et Cosmochimica Acta, vol.57, issue.5, pp.1039-1052, 1993.
DOI : 10.1016/0016-7037(93)90039-Y