A. Aiuppa, D. R. Baker, and J. D. Webster, Halogens in volcanic systems, Chemical Geology, vol.263, issue.1-4, pp.263-264, 2009.
DOI : 10.1016/j.chemgeo.2008.10.005

URL : http://scienceserver.cilea.it/pdflinks/09052416000705200.pdf

F. Albarède, Volatile accretion history of the terrestrial planets and dynamic implications, Nature, vol.180, issue.7268, pp.1227-1233, 2009.
DOI : 10.1038/nature08477

D. Bercovici and S. Karato, Whole-mantle convection and the transition-zone water filter, Nature, vol.425, issue.6953, pp.39-44, 2003.
DOI : 10.1038/nature01918

C. Beyer, S. Klemme, M. Wiedenbeck, A. Stracke, and C. Vollmer, Fluorine in 434 nominally fluorine-free mantle minerals: Experimental partitioning of F between olivine, 435 orthopyroxene and silicate melts with implications for magmatic processes, Earth Planet. Sci, p.436, 2012.

M. Blanchard, E. Balan, W. , and K. , Incorporation of water in iron-free ringwoodite: A first-principles study, American Mineralogist, vol.94, issue.1, pp.83-89, 2009.
DOI : 10.2138/am.2009.3020

URL : https://hal.archives-ouvertes.fr/hal-00642504

M. Blanchard, M. Roberge, E. Balan, G. Fiquet, and H. Bureau, Infrared signatures of OH-defects in wadsleyite: A first-principles study, American Mineralogist, vol.98, issue.11-12, pp.2132-2143, 2013.
DOI : 10.2138/am.2013.4468

URL : https://hal.archives-ouvertes.fr/hal-00981446

N. Bolfan-casanova, H. Keppler, R. , and D. C. , Water partitioning between nominally anhydrous minerals in the MgO???SiO2???H2O system up to 24 GPa: implications for the distribution of water in the Earth's mantle, Earth and Planetary Science Letters, vol.182, issue.3-4, pp.209-221, 2000.
DOI : 10.1016/S0012-821X(00)00244-2

H. Bureau, H. Keppler, and N. Métrich, Volcanic degassing of bromine and iodine : 445 experimental fluid/melt partitioning data and applications to stratospheric chemistry, Earth and 446 Planetary Science Letters, pp.51-60, 2000.

H. Bureau, C. Raepsaet, H. Khodja, A. Carraro, and C. Aubaud, Determination of 448 hydrogen content in geological. samples using elastic recoil detection analysis (ERDA), 2009.

M. Mézouar, S. Kubsky, M. Carrière, A. Ricolleau, and G. Fiquet, The Volcanic 452 degassing of Iodine, Geochimica et Cosmochimica Acta, vol.173, pp.114-125, 2015.

J. L. Campbell, T. L. Hopman, J. A. Maxwell, and Z. Nejedly, The Guelph PIXE software package III: Alternative proton database, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol.170, issue.1-2, pp.193-204, 2000.
DOI : 10.1016/S0168-583X(00)00156-7

C. Raepsaet, K. Béneut, and C. Leroy, Clumped fluoride-hydroxyl defects in 459 forsterite: Implications for the upper-mantle, Earth Planet. Sci. Lett, vol.390, pp.287-295, 2014.

C. Dalou, K. T. Koga, N. Shimizu, J. Boulon, and J. Devidal, Experimental 461 determination of F and Cl partitioning between lherzolite and basaltic melt. Contrib. Mineral. 462 Petrol, pp.591-609, 2012.

L. Daudin, H. Khodja, and J. Gallien, Development of ???position???charge???time??? tagged spectrometry for ion beam microanalysis, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol.210, pp.153-158, 2003.
DOI : 10.1016/S0168-583X(03)01008-5

S. Demouchy, E. Deloule, D. J. Frost, and H. Keppler, Pressure and temperature-dependence of water solubility in Fe-free wadsleyite, American Mineralogist, vol.90, issue.7, pp.1084-1091, 2005.
DOI : 10.2138/am.2005.1751

D. J. Frost, F. Langenhorst, and P. A. Van-aken, Fe-Mg partitioning between ringwoodite 469 and magnesiowüstite and the effect of pressure, temperature and oxygen fugacity. Phys, p.470, 2001.

X. Huang, Y. Xu, and S. Karato, Water content in the transition zone from electrical conductivity of wadsleyite and ringwoodite, Nature, vol.248, issue.7034, pp.746-749, 2005.
DOI : 10.1016/S0031-9201(99)00135-1

E. Ito, D. M. Harris, A. Jr, and A. T. , Alteration of oceanic crust and geologic cycling of chlorine and water, Geochimica et Cosmochimica Acta, vol.47, issue.9, pp.1613-1624, 1983.
DOI : 10.1016/0016-7037(83)90188-6

M. Javoy, The integral enstatite chondrite model of the Earth, Geophysical Research Letters, vol.325, issue.l, pp.2219-2222, 1995.
DOI : 10.1029/95GL02015

B. Joachim, A. Pawley, I. C. Lyon, K. Marquardt, T. Henkel et al., Experimental partitioning of F and Cl between olivine, orthopyroxene and silicate melt at Earth's mantle conditions, Chemical Geology, vol.416, pp.65-78, 2015.
DOI : 10.1016/j.chemgeo.2015.08.012

T. John, M. Scambelluri, M. Frische, J. D. Barnes, and W. Bach, Dehydration of subducting serpentinite: Implications for halogen mobility in subduction zones and the deep halogen cycle, Earth and Planetary Science Letters, vol.308, issue.1-2, pp.65-76, 2011.
DOI : 10.1016/j.epsl.2011.05.038

M. A. Kendrick, M. Scambelluri, M. Honda, and D. Phillips, High abundances of noble gas and chlorine delivered to the mantle by serpentinite subduction, Nature Geoscience, vol.88, issue.11, pp.807-812, 2011.
DOI : 10.1038/273631a0

M. A. Kendrick, J. D. Woodhead, and V. S. Kamenetsky, Tracking halogens through the subduction cycle, Geology, vol.40, issue.12, pp.1075-1078, 2012.
DOI : 10.1130/G33265.1

URL : http://ecite.utas.edu.au/81381/1/Kamenetsky-2012-Geology_c.pdf

M. A. Kendrick, M. G. Jackson, E. H. Hauri, and . Phillips, The halogen (F, Cl, Br, I) and H2O systematics of Samoan lavas: Assimilated-seawater, EM2 and high-3He/4He components, Earth and Planetary Science Letters, vol.410, pp.197-209, 2015.
DOI : 10.1016/j.epsl.2014.11.026

B. Marty and R. Yokochi, Water in the Early Earth, Reviews in Mineralogy and 495 Geochemistry, pp.421-450, 2006.
DOI : 10.2138/rmg.2006.62.18

B. Marty, The origins and concentrations of water, carbon, nitrogen and noble gases on 498 Earth, Earth Planet. Sci. Lett, pp.313-314, 2012.

M. Mayer, SIMNRA User's Guide, Report IPP, vol.9113, p.501, 1997.

W. F. Mcdonough and S. Sun, The composition of the Earth, Chemical Geology, vol.120, issue.3-4, pp.223-253, 1995.
DOI : 10.1016/0009-2541(94)00140-4

N. Metrich, R. , and M. , Experimental study of chlorine behavior in hydrous silicic melts, Geochimica et Cosmochimica Acta, vol.56, issue.2, pp.607-616, 1992.
DOI : 10.1016/0016-7037(92)90085-W

L. P. Ottolini and B. L. Fèvre, SIMS analysis of chlorine in metasomatised upper-mantle rocks, Microchimica Acta, vol.59, issue.3-4, pp.329-336, 2008.
DOI : 10.1007/s00604-007-0850-8

L. Pagé, K. Hattori, J. C. De-hoog, and A. I. Okay, Halogen (F, Cl, Br, I) bahaviour in 508 subducting slabs: a study in lawsonite blueshist in Western Turkey, Earth and Planet. Sci. Let, vol.509, pp.442-133, 2016.

D. G. Pearson, F. E. Brenker, F. Nestola, J. Mcneill, L. Nasdala et al., Hydrous mantle transition zone indicated by ringwoodite included within diamond, Nature, vol.29, issue.7491, pp.221-224, 2014.
DOI : 10.1007/BF00199497

URL : http://bib-pubdb1.desy.de/record/168146/files/10.1038_nature13080.pdf

P. Philippot, P. Agrinier, and M. Scambelluri, Chlorine cycling during subduction of altered oceanic crust, Earth and Planetary Science Letters, vol.161, issue.1-4, pp.33-44, 1998.
DOI : 10.1016/S0012-821X(98)00134-4

D. M. Pyle and T. A. Mather, Halogens in igneous processes and their fluxes to the 517 atmosphere and oceans from volcanic activity: A review, Chem. Geol, vol.263, issue.121, pp.1-4, 2009.

A. E. Ringwood, Composition and Petrology of the Earth's Mantle, 1975.

M. Roberge, H. Bureau, N. Bolfan-casanova, D. J. Frost, C. Raepsaet et al., Is the the transition zone a deep reservoir for fluorine? 523 Earth and planet, Sci. Lett, vol.429, pp.25-32, 2015.

R. L. Rudnick and S. Gao, Composition of the continental crust, Treatrise on Geochemistry 529, pp.1-64, 2003.

A. E. Rubin and B. Choi, Origin of Halogens and Nitrogen in Enstatite Chondrites, Earth, Moon, and Planets, vol.401, issue.1, pp.41-53, 2009.
DOI : 10.1007/s11038-009-9316-9

A. E. Saal, E. H. Hauri, C. H. Langmuir, and M. R. Perfit, Vapour undersaturation in primitive mid-ocean-ridge basalt and the volatile content of Earth's upper mantle, Nature, vol.91, issue.6906, pp.451-455, 2002.
DOI : 10.1016/0012-821X(88)90043-X

M. Scambelluri, O. Müntener, L. Ottolini, T. T. Pettke, and R. Vannucci, The fate of B, Cl and Li in the subducted oceanic mantle and in the antigorite breakdown fluids, Earth and Planetary Science Letters, vol.222, issue.1, pp.217-234, 2004.
DOI : 10.1016/j.epsl.2004.02.012

Z. D. Sharp and D. S. Draper, The chlorine abundance of Earth: Implications for a habitable planet, Earth and Planetary Science Letters, vol.369, issue.370, pp.71-77, 2013.
DOI : 10.1016/j.epsl.2013.03.005

B. Schmandt, S. D. Jacobsen, T. W. Becker, Z. X. Liu, and K. G. Dueker, Dehydration melting at the top of the lower mantle, Science, vol.88, issue.10, pp.1265-1268, 2014.
DOI : 10.2138/am-2003-1001

R. Stalder, A. Kronz, and K. Simon, Hydrogen incorporation in enstatite in the system 544, 2008.

S. M. Straub, L. , and G. D. , The systematics of chlorine, fluorine, and water in Izu 546 arc front volcanic rocks: Implications for volatile recycling in subduction zones. Geochim. 547 Cosmochim, Acta, vol.67, pp.4179-4203, 2003.

Y. Tatsumi, Migration of fluid phases and genesis of basalt magmas in subduction zones, Journal of Geophysical Research: Solid Earth, vol.20, issue.B4, pp.4697-4707, 1989.
DOI : 10.1029/JB094iB04p04697

D. A. Toffelmier and J. A. Tyburczy, Electromagnetic detection of a 410-km-deep melt layer in the southwestern United States, Nature, vol.85, issue.7147, pp.991-994, 2007.
DOI : 10.1038/nature05922

Y. Weiss, I. Kiflawi, N. Davies, and O. Navon, High-density fluids and the growth of monocrystalline diamonds, Geochimica et Cosmochimica Acta, vol.141, pp.145-159, 2014.
DOI : 10.1016/j.gca.2014.05.050

A. C. Withers, H. Bureau, C. Raepsaet, and M. M. Hirschmann, Calibration of infrared spectroscopy by elastic recoil detection analysis of H in synthetic olivine, Chemical Geology, vol.334, issue.559, pp.92-98, 2012.
DOI : 10.1016/j.chemgeo.2012.10.002

URL : https://hal.archives-ouvertes.fr/hal-00800687

. Feo, Au-Pd capsule, (**) Re capsule, (***) Pt capsule, NaCl pure salt, Mg(OH)2 brucite, Larger grain 722 sizes are given in brackets when measured

R. Wd=-wadsleyite and E. =ringwoodite, Nb =number of EPMA analysis, Mg#=Mg/(Fe+Mg) ratio atomic, (Fe+Mg)/SiO2 atomic ratio. Error in brackets is the standard deviation 726 for EPMA analysis and is in (%) for PIXE