J. Barclay, M. Carroll, B. Houghton, and C. Wilson, Pre-eruptive volatile content and degassing history of an evolving peralkaline volcano, Journal of Volcanology and Geothermal Research, vol.74, issue.1-2, pp.75-87, 1996.
DOI : 10.1016/S0377-0273(96)00058-3

J. Barclay, M. Rutherford, M. Carroll, M. Murphy, J. Devine et al., Experimental phase equilibria constraints on pre-eruptive storage conditions of the Soufriere Hills magma, Geophysical Research Letters, vol.24, issue.18, pp.3437-3440, 1998.
DOI : 10.1029/98GL00856

J. Blundy and K. Cashman, Ascent-driven crystallisation of dacite magmas at Mount St Helens, 1980???1986, Contributions to Mineralogy and Petrology, vol.140, issue.6, pp.631-650, 1980.
DOI : 10.1007/s004100000219

C. Burnham, Development of the Burnham model for prediction of H 2 O solubility in magmas (eds) Volatiles in magmas, Mineral Soc Am Rev Mineral, vol.30, pp.123-129, 1994.

K. Cashman and J. Blundy, Degassing and crystallization of ascending andesite and dacite, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.358, issue.1770, pp.1487-1513, 2000.
DOI : 10.1098/rsta.2000.0600

J. Devine, J. Gardner, H. Brack, G. Layne, and M. Rutherford, O contents of silicic volcanic glasses, American Mineralogist, vol.80, issue.3-4, pp.319-328, 1995.
DOI : 10.2138/am-1995-3-413

J. Devine, M. Rutherford, and J. Gardner, Petrologic determination of ascent rates for the 1995-1997 Soufriere Hills Volcano andesitic magma, Geophysical Research Letters, vol.30, issue.19, pp.3673-3676, 1998.
DOI : 10.1029/98GL00912

J. Devine, M. Murphy, M. Rutherford, J. Barclay, R. Sparks et al., Petrologic evidence for pre-eruptive pressure-temperature conditions, and recent reheating, of andesitic magma erupting at the Soufriere Hills Volcano, Montserrat, W.I., Geophysical Research Letters, vol.145, issue.19, pp.3669-3672, 1998.
DOI : 10.1029/98GL01330

J. Eichelberger, C. Carrigan, H. Westrich, and R. Price, Non-explosive silicic volcanism, Nature, vol.51, issue.6089, pp.598-602, 1986.
DOI : 10.1038/323598a0

P. Fenn, The nucleation and growth of alkali feldspars from hydrous melts, Can Mineral, vol.15, pp.135-161, 1977.

J. Gardner, S. Carey, M. Rutherford, and H. Sigurdsson, Petrologic diversity in Mount St. Helens dacites during the last 4,000 years: implications for magma mixing, Contributions to Mineralogy and Petrology, vol.13, issue.2-3, pp.224-238, 1995.
DOI : 10.1007/BF00307283

J. Gardner, M. Hilton, and M. Carroll, Experimental constraints on degassing of magma: isothermal bubble growth during continuous decompression from high pressure, Earth and Planetary Science Letters, vol.168, issue.1-2, pp.201-218, 1999.
DOI : 10.1016/S0012-821X(99)00051-5

C. Geschwind and M. Rutherford, Crystallization of microlites during magma ascent: the fluid mechanics of 1980???1986 eruptions at Mount St Helens, Bulletin of Volcanology, vol.63, issue.5, pp.356-370, 1995.
DOI : 10.1007/BF00301293

J. Gilbert and R. Sparks, Future research directions on the physics of explosive volcanic eruptions The physics of explosive volcanic eruptions, pp.1-7, 1998.

J. Hammer and M. Rutherford, An experimental study of the kinetics of decompression-induced crystallization in silicic melt, Journal of Geophysical Research: Solid Earth, vol.202, issue.B1, pp.1-24, 2002.
DOI : 10.1029/2001JB000281

J. Hammer, M. Manga, and K. Cashman, Non-equilibrium and unsteady fluid degassing during slow decompression, Geophysical Research Letters, vol.102, issue.24, pp.4565-4568, 1998.
DOI : 10.1029/1998GL900194

J. Hammer, K. Cashman, R. Hoblitt, and S. Newman, Degassing and microlite crystallization during pre-climactic events of the 1991 eruption of Mt. Pinatubo, Philippines, Bulletin of Volcanology, vol.60, issue.5, pp.355-380, 1999.
DOI : 10.1007/s004450050238

R. James and D. Hamilton, Phase relations in the system NaAlSi3O8-KAlSi3O8-CaAl2Si2O8-SiO2 at 1 kilobar water vapour pressure, Contributions to Mineralogy and Petrology, vol.56, issue.1, pp.111-141, 1969.
DOI : 10.1007/BF00403341

C. Jaupart, Gas loss from magmas through conduit walls during eruption The physics of explosive volcanic eruptions, pp.73-90, 1998.

C. Jaupart and C. Allè-gre, Gas content, eruption rate and instabilities of eruption regime in silicic volcanoes, Earth and Planetary Science Letters, vol.102, issue.3-4, pp.413-429, 1991.
DOI : 10.1016/0012-821X(91)90032-D

C. Jaupart and S. Tait, Dynamics of eruptive phenomena Modern methods of igneous petrology: understanding magmatic processes, Rev Mineral, vol.24, pp.213-238, 1990.

C. Klug and K. Cashman, Vesiculation of May 18, 1980, Mount St. Helens magma, Geology, vol.22, issue.5, pp.468-472, 1980.
DOI : 10.1130/0091-7613(1994)022<0468:VOMMSH>2.3.CO;2

C. Klug and K. Cashman, Permeability development in vesiculating magmas: implications for fragmentation, Bulletin of Volcanology, vol.58, issue.2-3, pp.87-100, 1996.
DOI : 10.1007/s004450050128

R. Knoche, D. Dingwell, and S. Webb, Melt densities for leucogranites and granitic pegmatites: Partial molar volumes for SiO2, Al2O3, Na2O, K2O, Li2O, Rb2O, Cs2O, MgO, CaO, SrO, BaO, B2O3, P2O5, F2O???1, TiO2, Nb2O5, Ta2O5, and WO3, Geochimica et Cosmochimica Acta, vol.59, issue.22, pp.4645-4652, 1995.
DOI : 10.1016/0016-7037(95)00328-2

G. Lofgren, An experimental study of plagioclase crystal morphology; isothermal crystallization, American Journal of Science, vol.274, issue.3, pp.243-273, 1974.
DOI : 10.2475/ajs.274.3.243

M. Mangan and T. Sisson, Delayed, disequilibrium degassing in rhyolite magma: decompression experiments and implications for explosive volcanism, Earth and Planetary Science Letters, vol.183, issue.3-4, pp.441-445, 2000.
DOI : 10.1016/S0012-821X(00)00299-5

C. Martel, M. Pichavant, J. Bourdier, H. Traineau, F. Holtz et al., Magma storage conditions and control of eruption regime in silicic volcanoes: experimental evidence from Mt. Pel??e, Earth and Planetary Science Letters, vol.156, issue.1-2, pp.89-99, 1998.
DOI : 10.1016/S0012-821X(98)00003-X

URL : https://hal.archives-ouvertes.fr/insu-00689030

C. Martel, J. Bourdier, M. Pichavant, and H. Traineau, Textures, water content and degassing of silicic andesites from recent plinian and dome-forming eruptions at Mount Pel??e volcano (Martinique, Lesser Antilles arc), Journal of Volcanology and Geothermal Research, vol.96, issue.3-4, pp.191-206, 2000.
DOI : 10.1016/S0377-0273(99)00147-X

H. Massol and C. Jaupart, The generation of gas overpressure in volcanic eruptions, Earth and Planetary Science Letters, vol.166, issue.1-2, pp.57-70, 1999.
DOI : 10.1016/S0012-821X(98)00277-5

N. Metrich and M. Rutherford, Low Pressure Crystallization Paths of H2O-Saturated Basaltic-Hawaiitic Melts from Mt Etna: Implications for Open-System Degassing of Basaltic Volcanoes, Geochimica et Cosmochimica Acta, vol.62, issue.7, pp.1195-1205, 1998.
DOI : 10.1016/S0016-7037(98)00048-9

D. Mullineaux and D. Crandell, The eruptive history of Mount St, Helens. US Geol Surv Prof Pap, vol.1250, pp.3-15, 1981.

G. Muncill and A. Lasaga, Crystal-growth kinetics of plagioclase in igneous systems: one atmosphere experiments and application of a simplified growth model, Am Mineral, vol.72, pp.299-311, 1987.

G. Muncill and A. Lasaga, Crystal-growth kinetics of plagioclase in igneous systems: isothermal H 2 O-saturated experiments and extension of growth model to complex silicate melts, Am Mineral, vol.73, pp.982-992, 1988.

S. Nakada and Y. Motomura, Manner of magma ascent at Unzen Volcano (Japan), Geophysical Research Letters, vol.3, issue.B-l, pp.567-570, 1995.
DOI : 10.1029/95GL00002

C. Newhall, A. Daag, F. Delfin, . Jr, R. Hoblitt et al., Eruptive history of Mount Pinatubo, pp.165-195, 1996.

J. Pallister, R. Hoblitt, D. Crandell, and D. Mullineaux, Mount St. Helens a decade after the 1980 eruptions: magmatic models, chemical cycles, and a revised hazards assessment, Bulletin of Volcanology, vol.52, issue.B10, pp.126-146, 1992.
DOI : 10.1007/BF00278003

J. Phillips, S. Lane, A. Lejeune, and M. Hilton, Gum rosinacetone system as an analogue to the degassing behaviour of hydrated magmas, Bull Volcanol, vol.57, pp.263-268, 1995.

M. Pownceby and O. Hstc, Thermodynamic data from redox reactions at high temperatures. III. Activity-composition relations in Ni-Pd alloys from EMF measurements at 850?1250 K, and calibration of the NiO+Ni-Pd assemblage as a redox sensor, Contributions to Mineralogy and Petrology, vol.33, issue.3, pp.327-339, 1994.
DOI : 10.1007/BF00306501

A. Proussevitch and D. Sahagian, Dynamics of coupled diffusive and decompressive bubble growth in magmatic systems, Journal of Geophysical Research: Solid Earth, vol.55, issue.17, pp.17447-17455, 1996.
DOI : 10.1029/96JB01342

A. Proussevitch and D. Sahagian, Dynamics and energetics of bubble growth in magmas: Analytical formulation and numerical modeling, Journal of Geophysical Research: Solid Earth, vol.80, issue.B8, pp.18223-18251, 1998.
DOI : 10.1029/98JB00906

M. Roobol and A. Smith, Mount Pel??e, Martinique: A pattern of alternating eruptive styles, Geology, vol.4, issue.9, pp.521-524, 1976.
DOI : 10.1130/0091-7613(1976)4<521:MPMAPO>2.0.CO;2

M. Rutherford and P. Hill, Magma ascent rates from amphibole breakdown: An experimental study applied to the 1980-1986 Mount St. Helens eruptions, Journal of Geophysical Research: Solid Earth, vol.55, issue.B11, pp.19667-19685, 1993.
DOI : 10.1029/93JB01613

A. Saul and W. Wagner, A fundamental equation for water covering the range from the melting line to 1273 K at pressures up to 25000 MPa, J Phys Chem, vol.18, issue.4, pp.1537-1565, 1989.

J. Schairer and N. Bowen, Preliminary report on equilibriumrelations between feldspathoids, alkali-feldspars, and silica, Am Geophys, pp.325-328, 1935.
DOI : 10.1029/tr016i001p00325

H. Shaw, Viscosities of magmatic silicate liquids; an empirical method of prediction, American Journal of Science, vol.272, issue.9, pp.870-893, 1972.
DOI : 10.2475/ajs.272.9.870

A. Simakin, P. Armienti, and M. Epel-'baum, Coupled degassing and crystallization: experimental study at continuous pressure drop, with application to volcanic bombs, Bulletin of Volcanology, vol.61, issue.5, pp.275-287, 1999.
DOI : 10.1007/s004450050297

A. Simakin, P. Armienti, and T. Salova, Joint degassing and crystallization: experimental study with a gradual pressure release, Geochim Int, vol.38, pp.523-534, 2000.
DOI : 10.1007/s004450050297

S. Siswowidjoyo, I. Suryo, and I. Yokoyama, Magma eruption rates of Merapi volcano, Central Java, Indonesia during one century (1890???1992), Bulletin of Volcanology, vol.I, issue.2, pp.111-116, 1890.
DOI : 10.1007/BF00301401

M. Stasiuk, J. Barclay, M. Carroll, C. Jaupart, . Ratte´jcratte´jc et al., Degassing during magma ascent in the Mule Creek vent (USA), Bulletin of Volcanology, vol.58, issue.2-3, pp.117-130, 1996.
DOI : 10.1007/s004450050130

S. Swanson, Relation of nucleation and crystal-growth rate to the development of granitic textures, Am Mineral, vol.62, pp.966-978, 1977.

J. Taylor, V. Wall, and M. Pownceby, The calibration and application of accurate redox sensors, Am Mineral, vol.77, pp.284-295, 1992.

O. Tuttle and N. Bowen, Origin of granite in the light of experimental study in the system NaAlSi 3 O, Geol Soc Am Mem, pp.8-11, 1958.

D. Venezky and M. Rutherford, Petrology and Fe???Ti oxide reequilibration of the 1991 Mount Unzen mixed magma, Journal of Volcanology and Geothermal Research, vol.89, issue.1-4, pp.213-230, 1999.
DOI : 10.1016/S0377-0273(98)00133-4

B. Villemant and G. Boudon, Transition from dome-forming to plinian eruptive styles controlled by H 2 O and Cl degassing, Nature, vol.392, issue.6671, pp.65-69, 1998.
DOI : 10.1038/32144

B. Villemant and G. Boudon, H2O and halogen (F, Cl, Br) behaviour during shallow magma degassing processes, Earth and Planetary Science Letters, vol.168, issue.3-4, pp.271-286, 1999.
DOI : 10.1016/S0012-821X(99)00058-8

H. Westrich, H. Stockman, and J. Eichelberger, Degassing of rhyolitic magma during ascent and emplacement, Journal of Geophysical Research, vol.66, issue.B6, pp.6503-6511, 1988.
DOI : 10.1029/JB093iB06p06503

L. Wilson, R. Sparks, and G. Walker, Explosive volcanic eruptions -- IV. The control of magma properties and conduit geometry on eruption column behaviour, Geophysical Journal International, vol.63, issue.1, pp.117-148, 1980.
DOI : 10.1111/j.1365-246X.1980.tb02613.x

K. Wolf and J. Eichelberger, Syneruptive mixing, degassing, and crystallization at Redoubt Volcano, eruption of December, 1989 to May 1990, Journal of Volcanology and Geothermal Research, vol.75, issue.1-2, pp.19-37, 1989.
DOI : 10.1016/S0377-0273(96)00055-8

A. Woods and T. Koyaguchi, Transitions between explosive and effusive eruptions of silicic magmas, Nature, vol.370, issue.6491, pp.641-644, 1994.
DOI : 10.1038/370641a0

S. Young, R. Sparks, W. Aspinall, L. Lynch, A. Miller et al., Overview of the eruption of Soufriere Hills Volcano, Montserrat, 18 July 1995 to December 1997, Geophysical Research Letters, vol.this issue, issue.1, pp.3389-3392, 1995.
DOI : 10.1029/98GL01405

Y. Zhang, R. Belcher, P. Ihinger, L. Wang, Z. Xu et al., New calibration of infrared measurement of dissolved water in rhyolitic glasses, Geochimica et Cosmochimica Acta, vol.61, issue.15, pp.3089-3100, 1997.
DOI : 10.1016/S0016-7037(97)00151-8