K. P. Abraham and F. D. Richardson, Sulphide capacities of silicate melts. Part II, Journal of the Iron & Steel Institute, vol.196, pp.313-317, 1960.

K. P. Abraham, M. W. Davis, and F. D. Richardson, Sulphide capacities of silicate melts. Part I, Journal of the Iron & Steel Institute, vol.196, pp.309-312, 1960.

M. Ancey, F. Basternaire, and R. Tixier, Application des methodes statistiques en microanalyse, Microanalyse, microscope electronique a` balayage. Orsay: Edition de physique, pp.323-347, 1978.

A. T. Anderson, S. Newman, S. N. Williams, T. H. Druitt, C. Skirius et al., H2O, CO2, CI, and gas in Plinian and ash-flow Bishop rhyolite, Geology, vol.17, issue.3, pp.221-225, 1989.
DOI : 10.1130/0091-7613(1989)017<0221:HOCCAG>2.3.CO;2

R. G. Arnold and L. E. Reicher, Measurement of the metal content of naturally occurring, metal deficient, hexagonal pyrrhotite by an X-Ray spacing method, American Mineralogist, vol.47, pp.105-111, 1962.

L. I. Baker and M. J. Rutherford, Sulfur diffusion in rhyolite melts, Contributions to Mineralogy and Petrology, vol.123, issue.4, pp.335-344, 1996.
DOI : 10.1007/s004100050160

L. I. Baker and M. J. Rutherford, The effect of dissolved water on the oxidation state of silicic melts, Geochimica et Cosmochimica Acta, vol.60, issue.12, pp.2179-2187, 1996.
DOI : 10.1016/0016-7037(96)00090-7

J. Blank, E. M. Stolper, and M. Carroll, Solubilities of carbon dioxide and water in rhyolitic melt at 850??C and 750 bars, Earth and Planetary Science Letters, vol.119, issue.1-2, pp.27-36, 1993.
DOI : 10.1016/0012-821X(93)90004-S

R. S. Boorman, Subsolidus studies in the ZnS-FeS-FeS 2 system, Economic Geology, vol.62, issue.5, pp.614-631, 1967.
DOI : 10.2113/gsecongeo.62.5.614

G. J. Breedveld and J. M. Prausnitz, Thermodynamic properties of supercritical fluids and their mixtures at very high pressures, AIChE Journal, vol.19, issue.4, pp.783-796, 1973.
DOI : 10.1002/aic.690190416

D. L. Buchanan and J. Nolan, Solubility of sulphur and sulphide immiscibility in synthetic tholeiitic melts and their relevance to Bushveld-complex rocks, Canadian Mineralogist, vol.17, pp.483-494, 1979.

D. L. Buchanan, J. Nolan, N. Wilkinson, and J. P. De-villiers, An experimental investigation of sulfur solubility as a function of temperature in silicate melts, pp.383-391, 1983.

C. W. Burnham, The importance of volatiles consituents, 1979.

C. W. Burnham, J. R. Holloway, and N. F. Davis, Thermodynamic properties of water to 1000°C and 10 000 bars, Special Paper, vol.132, pp.1-96, 1969.

M. R. Carroll and M. J. Rutherford, Sulfide and sulfate saturation in hydrous silicate melts, Journal of Geophysical Research, vol.53, issue.4, pp.601-612, 1985.
DOI : 10.1029/JB090iS02p0C601

M. R. Carroll and M. J. Rutherford, The Stability of Igneous Anhydrite: Experimental Results and Implications for Sulfur Behavior in the 1982 El Chichon Trachyandesite and Other Evolved Magmas, Journal of Petrology, vol.28, issue.5, pp.781-801, 1987.
DOI : 10.1093/petrology/28.5.781

M. R. Carroll and M. J. Rutherford, Sulphur speciation in hydrous experimental glasses of varying oxidation state: results from measured wavelength shifts of sulphur Xrays, American Mineralogist, vol.73, pp.845-849, 1988.

M. R. Carroll and J. D. Webster, Solubilities of sulfur, noble gases, nitrogen, chlorine, and fluorine in magmas (eds) Volatiles in Magmas, Reviews in Mineralogy, vol.30, pp.231-280, 1994.

J. A. Connolly and B. Cesare, C-O-H-S fluid composition and oxygen fugacity in graphitic metapelites, Journal of Metamorphic Geology, vol.288, issue.3, pp.379-388, 1993.
DOI : 10.1016/0016-7037(64)90083-3

J. M. Ferry and L. Baumgartner, Thermodynamic models of molecular fluids at the elevated pressures and temperatures of crustal metamorphism (eds) Reviews in Mineralogy Behaviour of sulphur in silicate and aluminate melts, Mineralogical society of America, pp.323-365, 1954.

R. A. Fogel and M. J. Rutherford, The solubility of carbon dioxide in rhyolitic melts: a quantitative FTIR study, American Mineralogist, vol.75, pp.1311-1326, 1990.

E. Froese and A. E. Gunter, A note on the pyrrhotite-sulfur vapor equilibrium, Economic Geology, vol.71, issue.8, pp.1589-1594, 1976.
DOI : 10.2113/gsecongeo.71.8.1589

F. Gaillard, B. Scaillet, M. Pichavant, and J. M. B_eny, The effect of water and fO2 on the ferric???ferrous ratio of silicic melts, Chemical Geology, vol.174, issue.1-3, pp.255-273, 2001.
DOI : 10.1016/S0009-2541(00)00319-3

URL : https://hal.archives-ouvertes.fr/hal-00089731

D. R. Haughton, P. L. Roeder, and B. J. Skinner, Solubility of Sulfur in Mafic Magmas, Economic Geology, vol.69, issue.4, pp.451-466, 1974.
DOI : 10.2113/gsecongeo.69.4.451

W. Hildreth, The Bishop Tuff: Evidence for the origin of compositional zonation in silicic magma chambers, pp.43-75, 1979.
DOI : 10.1130/SPE180-p43

W. Hildreth, The compositionally zoned eruption of 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska, Journal of Volcanology and Geothermal Research, vol.18, issue.1-4, pp.1-56, 1983.
DOI : 10.1016/0377-0273(83)90003-3

J. R. Holloway, Fugacity and Activity of Molecular Species in Supercritical Fluids, Thermodynamics in Geology, pp.161-181, 1977.
DOI : 10.1007/978-94-010-1252-2_9

J. R. Holloway, Volatile Interactions in Magmas, Thermodynamics of Minerals and Melts. Advances in Physical Geochemistry 1, pp.273-283, 1981.
DOI : 10.1007/978-1-4612-5871-1_13

J. R. Holloway, Igneous fluids In: Thermodynamic Modelling of Geological Materials: Minerals, Fluids and Melts, Reviews in Mineralogy, vol.17, pp.211-232, 1987.

J. R. Holloway and J. Blank, Application of experimental results to C?O?H species in natural melts (eds) Volatiles in Magmas, Reviews in Mineralogy, vol.30, pp.187-230, 1994.

J. R. Holloway, V. Pan, and G. Gudmundsson, High-pressure fluid-absent melting experiments in the presence of graphite: oxygen fugacity, ferric/ferrous ratio and dissolved CO2, European Journal of Mineralogy, vol.4, pp.105-114, 1992.

A. Holzheid and T. L. Grove, Sulfur saturation limits in silicate melts and their implications for core formation scenarios for terrestrial planets, American Mineralogist, vol.87, issue.2-3, pp.227-237, 2002.
DOI : 10.2138/am-2002-2-304

T. Katsura and S. Nagashima, Solubility of sulfur in some magmas at 1 atmosphere, Geochimica et Cosmochimica Acta, vol.38, issue.4, pp.517-531, 1974.
DOI : 10.1016/0016-7037(74)90038-6

H. Keppler, Experimental Evidence for the Source of Excess Sulfur in Explosive Volcanic Eruptions, Science, vol.284, issue.5420, pp.1652-1654, 1999.
DOI : 10.1126/science.284.5420.1652

H. Kucha, R. Wouters, and O. Arkens, Determination of sulphur and iron valence by microprobe, Scanning Microscopy, vol.3, pp.89-97, 1989.

G. Kullerud, Experimental techniques in dry sulphide research) Research Techniques for High Pressure and High Temperature, pp.288-315, 1971.

J. B. Lowenstern, Evidence for a copper-bearing fluid in magma erupted at the Valley of ten thousand smokes, Alaska, Contributions to Mineralogy and Petrology, vol.4, issue.3, pp.409-421, 1993.
DOI : 10.1007/BF01046542

J. F. Luhr, Experimental Phase Relations of Water- and Sulfur-Saturated Arc Magmas and the 1982 Eruptions of El Chich??n Volcano, Journal of Petrology, vol.31, issue.5, pp.1071-1114, 1990.
DOI : 10.1093/petrology/31.5.1071

J. F. Luhr, I. S. Carmichael, and J. C. Varekamp, The 1982 eruptions of El Chich??n Volcano, Chiapas, Mexico: Mineralogy and petrology of the anhydritebearing pumices, Journal of Volcanology and Geothermal Research, vol.23, issue.1-2, pp.69-108, 1984.
DOI : 10.1016/0377-0273(84)90057-X

C. W. Mandeville, S. Carey, and H. Sigurdsson, Magma mixing, fractional crystallization and volatile degassing during the 1883 eruption of Krakatau volcano, Indonesia, Journal of Volcanology and Geothermal Research, vol.74, issue.3-4, pp.243-274, 1996.
DOI : 10.1016/S0377-0273(96)00060-1

C. W. Mandeville, A. Sasaki, G. Saito, K. Faure, R. King et al., Open-system degassing of sulfur from Krakatau 1883 magma, Earth and Planetary Science Letters, vol.160, issue.3-4, pp.709-722, 1998.
DOI : 10.1016/S0012-821X(98)00122-8

J. A. Mavrogenes and H. S. Neill, The relative effects of pressure, temperature and oxygen fugacity on the solubility of sulfide in mafic magmas, Geochimica et Cosmochimica Acta, vol.63, issue.7-8, pp.1173-1180, 1999.
DOI : 10.1016/S0016-7037(98)00289-0

B. Mysen and R. K. Popp, Solubility of sulfur in CaMgSi 2 O 6 and NaAlSi 3 O 8 melts at high pressure and temperature with controlled f O2 and f S2, American Journal of Science, vol.280, issue.1, pp.78-92, 1980.
DOI : 10.2475/ajs.280.1.78

S. Nagashima and T. Katsura, Melts under Various Oxygen Partial Pressures at 1100 ??C, 1250 ??C, and 1300 ??C, Bulletin of the Chemical Society of Japan, vol.46, issue.10, pp.3099-3103, 1973.
DOI : 10.1246/bcsj.46.3099

H. Ohmoto and D. M. Kerrick, Devolatilization equilibria in graphitic systems, American Journal of Science, vol.277, issue.8, pp.1013-1044, 1977.
DOI : 10.2475/ajs.277.8.1013

O. Neill, H. S. Mavrogenes, and J. A. , The Sulfide Capacity and the Sulfur Content at Sulfide Saturation of Silicate Melts at 1400degreesC and 1 bar, Journal of Petrology, vol.43, issue.6, pp.1049-1087, 2002.
DOI : 10.1093/petrology/43.6.1049

M. Pichavant, Effects of B and H2O on liquidus phase relations in the haplogranite system at 1 kbar, American Mineralogist, vol.72, pp.1056-1070, 1987.

M. I. Pownceby and H. S. Neill, 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

F. D. Richardson and C. J. Fincham, Sulphur in silicate and aluminate slags, Journal of the Iron & Steel Institute, vol.178, pp.4-15, 1950.

W. Ricke, Ein Beitrag zur Geochemie des Schwefels, Geochimica et Cosmochimica Acta, vol.21, issue.1-2, pp.35-80, 1960.
DOI : 10.1016/S0016-7037(60)80003-8

R. A. Robie, B. S. Hemingway, and J. R. Fisher, Thermodynamic properties of minerals and related substances at 298.15K and 1 bar (105 Pa) pressure and at higher temperatures, US Geological Survey Bulletin, 1452.

J. Roux and M. Volfinger, Mesures pr_ecises a` l'aide d'un detecteur courbe, Journal de Physique IV, vol.6, pp.4-127, 1996.

M. J. Rutherford, H. Sigurdsson, S. Carey, and A. Davis, The May 18, 1980, eruption of Mount St. Helens: 1. Melt composition and experimental phase equilibria, Journal of Geophysical Research, vol.63, issue.B4, pp.2929-2947, 1985.
DOI : 10.1029/JB090iB04p02929

G. R. St-pierre and J. Chipman, Sulfur Equilibria Between Gases and Slags Containing FeO, JOM, vol.167, issue.10, pp.1474-1483, 1956.
DOI : 10.1002/srin.195101369

B. Scaillet and B. W. Evans, The 15 June 1991 Eruption of Mount Pinatubo. I. Phase Equilibria and Pre-eruption P-T-fO2-fH2O Conditions of the Dacite Magma, Journal of Petrology, vol.40, issue.3, pp.381-411, 1999.
DOI : 10.1093/petroj/40.3.381

B. Scaillet, M. Pichavant, J. Roux, G. Humbert, and A. Lefevre, Improvements of the Shaw membrane technique for measurement and control of f H2 at high temperatures and pressures, American Mineralogist, vol.77, pp.647-655, 1992.

B. Scaillet, B. Clemente, B. W. Evans, and M. Pichavant, Redox control of sulfur degassing in silicic magmas, Journal of Geophysical Research: Solid Earth, vol.45, issue.B10, pp.23937-23949, 1998.
DOI : 10.1029/98JB02301

URL : https://hal.archives-ouvertes.fr/insu-00717692

A. Schneider, The sulfur isotope composition of basaltic rocks, Contributions to Mineralogy and Petrology, vol.3, issue.1, pp.95-124, 1970.
DOI : 10.1007/BF00389779

H. R. Shaw, Hydrogen-Water Vapor Mixtures: Control of Hydrothermal Atmospheres by Hydrogen Osmosis, Science, vol.139, issue.3560, pp.1220-1222, 1963.
DOI : 10.1126/science.139.3560.1220

H. Shima and A. J. Naldrett, Solubility of sulfur in an ultramafic melt and the relevance of the system Fe-S-O, Economic Geology, vol.70, issue.5, pp.960-967, 1975.
DOI : 10.2113/gsecongeo.70.5.960

F. J. Spera and S. C. Bergman, Carbon Dioxide in igneous petrogenesis: I, Contributions to Mineralogy and Petrology, vol.54, issue.3, pp.55-66, 1980.
DOI : 10.1007/BF00375489

E. M. 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

E. M. Stolper, G. J. Fine, T. Johnson, and S. Newman, The solubility of carbon dioxide in albitic melts, American Mineralogist, vol.72, pp.1071-1085, 1987.

J. R. Taylor, V. J. Wall, and M. I. Pownceby, The calibration and application of accurate redox sensors, American Mineralogist, vol.77, pp.284-295, 1992.

P. I. Toulmin and P. B. Barton, A thermodynamic study of pyrite and pyrrhotite, Geochimica et Cosmochimica Acta, vol.28, issue.5, pp.641-671, 1964.
DOI : 10.1016/0016-7037(64)90083-3

E. T. Turkdogan and M. L. Pearce, Kinetics of sulphur reaction in oxide melt?gas system, Transactions of the Metallurgical Society of AIME, vol.227, pp.940-949, 1963.

R. F. Wendlant, Sulfide saturation of basalt and andesite melts at high pressures and temperatures, American Mineralogist, vol.67, pp.877-885, 1982.

H. R. Westrich, J. C. Eichelberger, and R. L. Hervig, Degassing of the, 1912.

J. A. Whitney, Fugacities of sulphurous gases in pyrrhotitebearing silicic magmas, American Mineralogist, vol.69, pp.69-78, 1984.

K. T. Winther, E. B. Watson, and G. M. Korenowski, Magmatic sulfur compounds and sulfur diffusion in albite melt at 1 GPa and 1300-1500 degrees C, American Mineralogist, vol.83, issue.11-12 Part 1, pp.1141-1151, 1998.
DOI : 10.2138/am-1998-11-1201

R. A. Yund and H. T. Hall, Hexagonal and monoclinic pyrrhotites, Economic Geology, vol.64, issue.4, pp.420-423, 1969.
DOI : 10.2113/gsecongeo.64.4.420

Y. Zhang, O in rhyolitic glasses and melts: Measurement, speciation, solubility, and diffusion, Reviews of Geophysics, vol.83, issue.24, pp.493-516, 1999.
DOI : 10.1029/1999RG900012