ISTerre - Institut des Sciences de la Terre

PhD & Internship Offers

Fabrice BRUNET — 2018-12-23T11:00:00Z

Deep-H₂ interaction with Brazilian Soils
Experimental approach for H₂ exploration [Master 2 level]

In collaboration with the Cell Biology department of Brasilia and IFPEN, the H₂ production/uptake capacity of Brazilian soil samples will be investigated experimentally. The aim of this project is to evaluate the concentration of H₂ in soils that are exposed to a deep H₂ flux.

Collaborations: Olivier Sissmann (IFPEN), Ricardo Krüger (UnB) & Stéphane Guédron (ISTerre)
Duration: 4-5 months / Starting date : - February/March 2019
Background: M2R or equivalent
Salary: classical internship salary (554€/month)

Hydrogen, light hydrocarbons and serpentinization

Fabrice BRUNET — 2013-08-26T15:12:36Z

UNDER CONSTRUCTION

Malvoisin, B., Brunet, F., Carlut, J., Montes-Hernandez, G., Findling, N., Lanson, M., Vidal, O., Bottero, J.-Y and Goffé, B. High-purity hydrogen gas from the reaction between BOF steel slag and water in the 473 - 673 K range. International Journal of Hydrogen Energy (sous presse)

Malvoisin, B., Brunet, F., Carlut, J., Rouméjon, S., Cannat, M. Serpentinization of oceanic peridotites (2012) : 2. Kinetics and processes of San Carlos olivine hydrothermal alteration. J. Geophys. Res., VOL. 117, B04102, doi:10.1029/2011JB008842. http://www.agu.org/pubs/crossref/pip/2011JB008842.shtml

Malvoisin, B., Carlut, J., Brunet, F. (2012) Serpentinization of oceanic peridotites : 1. a high-sensitivity method to monitor magnetite production in hydrothermal experiments. J. Geophys. Res., vol 117.doi:10.1029/2011JB008612 http://www.agu.org/pubs/crossref/2012/2011JB008612.shtml

Malvoisin, B., Chopin, C., Brunet, F., Galvez, M. (2012) Low-temperature wollastonite formed by carbonate reduction :
a marker of serpentinite redox conditions. J. Petrol., 53, 159-173. http://hal.archives-ouvertes.fr/hal-00828900

Charlou, J.-L., Donval, J.-P., Brunet, F., Munoz, M., Vidal, O. (2012), "Connaissance scientifique et enjeux liés à l'hydrogène" ; Eds Fouquet, Y. & Lacroix, D. In : Les ressources minérales marines profondes. p103-118. Editions Quae.

Charlou J.-L., Donval J.-P., Brunet, F., Munoz M., Vidal O., Perez F., Mugler C., Jean-Baptiste P. (2011). Hydrogène : produit naturel de la Terre - Nouvelles découvertes en domaine océanique. Mines & Carrières, (185), 58-69.

Microdiamonds and solidified melt-films preserved in graphite pseudomorphs

Fabrice BRUNET — 2013-08-26T14:07:27Z

The Beni Bousera massif (northern Morocco) is made of upper-mantle rocks which have been brought to the surface thanks to tectonic activity which led to the formation of the rifean mountain belt during the Alpine orogeny about 25 Ma ago. Upper mantle (UM) is usually sampled through volcanic activity which brings upper-mantle xenoliths up to the surface in lava flows. The good point with tectonic is that huge UM mantle pieces can be exhumed. Upper-mantle structure, deformation and large scale chemical transport (e.g., metasomatism) can be studied in-situ. The bad news is that vertical tectonic motions are relatively slow (mm.yr-1) and rocks are transformed on their way to the surface. Furthermore, exhumation is only possible through intensive rock deformation which induces microtextural changes. Hopefully, deformation is mostly localized along major detachments / faults so that some parts of the mantle units can be preserved. Phase transformations and melting can also occur upon exhumation and, the original mineralogy formed at depth can be altered accordingly. Part of the research carried out by petrologists is, actually, to look for witnesses of the transformation experienced by rocks coming from depth in order to reconstruct their history and, in the best case, their original mineralogy.
In the paper entitled : Melting textures and microdiamonds preserved in graphite pseudomorphs from the Beni Bousera peridotite massif, Morocco (European Journal of Mineralogy, 2011, [1]), we have carried out a very fine and detailed characterization of some specific layers composed of pyroxene and garnet (pyroxenite). The co-existence of pyroxene and garnet allows estimating formation pressures (Al barometry). Furthermore, some of the pyroxene layers contain octahedral (and cuboïd) graphite aggregates which are interpreted as graphitized millimetre-sized diamonds. Some of these aggregates were hand-picked and separated into two pieces with a needle (i.e., without the use of diamond-bearing cutting tools). High-resolution electron microscope images showed the presence of sub-micrometric diamond grains. These diamonds could either be residual, in other words, small pieces of diamonds were preserved even though the host rock experienced temperatures higher than 1000°C, in the graphite field. A second alternative would be that the host rock has been recycled under UHP conditions so that newly formed microdiamonds were able to crystallize. In this paper, we favour the first hypothesis since (1) the microdiamonds are recovered in the zone with the larger graphite flakes whereas diamond nucleation would be expected to occur on smaller flakes with a higher amount of crystallographic defects (see Le Guillou et al., 2006) ; (2) there are still no recognized examples of diamond crystallizing directly from graphite in nature. The preservation of diamond remains however a puzzling features in rocks which experienced high temperatures in the graphite field. Another spectacular feature is the presence of silicate films intercalated within the graphitic flakes. We interpret these films as solidified melt films which were preserved in the graphite aggregates. Their basaltic composition supports this view. The preservation of solidified melt is a relatively rare feature. It can occur in the form of “melt inclusions” trapped in magmatic crystals. The originality of our finding relies on the fact that the melt which wetted the graphite flakes, has been chemically isolated from the rock-forming silicates. Therefore, chemical re-equilibration with the host rock might have been limited ; we expect then the observed solid silicate films to display pristine melt compositions. It can be noted that the “melt-trapping” property of graphite, had been utilized, prior to our discovery, for trapping partial melts formed from very low degree of melting in high pressure and high temperature experiments (Laporte et al., 2004).

[1] El Atrassi, F., Brunet, F., Bouybaouène, M.L., Chopin, C., Chazot, G. (2011) Melting textures and microdiamonds preserved in graphite pseudomorphs from the Beni Bousera peridotite massif, Morocco. Eur. J. Min, 23, 157-168.

A new oxygen coordination for phosphorus at high pressure

Fabrice BRUNET — 2013-08-26T13:38:32Z

Contrary to gases, condensed phases (liquids and solids) are often considered as incompressible. This is obviously not the case in the range of pressures encountered in the deep Earth. When high pressures are applied to crystalline phases, their density is found to increase. This density increase is accommodated by the shortening of atomic bonds to a certain point where, under favorable kinetics condition, a phase transition can eventually be triggered ; In the case of a reconstructive phase transition, the atomic arrangement in the structure is then modified and a density jump can occur. Minerals that compose the Earth are mostly ceramics. They can be described as formed by a periodic association of more or less regular oxygen polyhedra which host cationic species. Quartz, for example, is made of polymerized SiO₄ (tetrahedral) groups in the three dimensions. When pressure is applied onto quartz, silicon gets squeezed in the oxygen tetrahedron and the structure may re-arrange to make room around silicon. This is achieved by changing the silicon environment from four to six oxygen neighbours (6-fold coordination). In the very high-pressure forms of silica ; e.g. stishovite, silicon is therefore located in an oxygen octahedron. Phosphates are also composed of oxygen tetrahedra in the form of PO₄ groups. However, phosphorus (P⁵⁺) is smaller than silicon (Si⁴⁺), the pressure required to make phosphorus feel unconfortable in the tetrahedron is therefore higher. As consequence all phosphate minerals occurring in nature are PO₄ phosphates. In order to check whether phosphorus has the ability to form PO₆ groups in the Earth, we have used the SiO₂ stishovite structure as a sort of crystallographic template. We've tried to replace some SiO₆ groups by PO₆ groups in the stishovite structure. There is a small complication by trying to do so which is that SiO₆ has an 8- charge whereas PO₆ has a 7- charge. The direct substitution of PO₆ by SiO₆ would therefore break the crystal electroneutrality. Charge compensation is required, and for each SiO₆ replaced by a PO₆, another SiO₆ has been replaced by AlO₆^9- in order to maintain the overall crystal neutrality.
On the chemical point of view, we basically tried to solubilize AlPO₄ in SiO₂ stishovite. Electron microprobe data showed that we were able to incorporate around 1-2 wt.% AlPO₄ in stishovite at 18 GPa and 1600°C [1].
Well, we could have readily concluded that since stishovite is made of oxygen octahedra, the solubilization of some AlPO₄ would imply some P atoms to be in octahedral position as well. This reasoning would also apply to Al (octahedrally coordinated Al is a common feature in minerals). Minerals are tricky ; nanodomains of AlPO₄ with tetrahedral phosphorus might have formed in the stishovite structure. We therefore needed an appropriate probe which provides specific information about the phosphorus atomic environment. X-ray absorption spectroscopy at phosphorus K-edge and ³¹P-MAS Nuclear Magnetic Resonance are the right tools to unravel the atomic environment around phosphorus. In a series of two papers ([1], [2]), we have demonstrated that phosphorus is bonded to six oxygen atoms in the AlPO₄-doped stishovite that we synthesized under extreme pressure and temperature conditions.
So yes, phosphorus can adopt six-fold oxygen coordination in the deep Earth. By the way, it was the first time that PO₆ groups were ever synthesized and characterized ! Consequently, we evidenced with this work a new oxygen coordination for phosphorus.

[1] Brunet, F., A. M. Flank, J. P. Itie, T. Irifune, and P. Lagarde (2007) Experimental evidence of sixfold oxygen coordination for phosphorus. Am. Mineral., 92, 989-993.
[2] Stebbins, J., Kim, N., Brunet, F. and Irifune, T. (2009) Confirmation of octahedrally coordinated phosphorus in AlPO4-containing stishovite by 31P NMR, Eur. J. Mineral., 21, 667-671.http://www.schweizerbart.de/resources/downloads/paper_previews/73654.pdf

Courses and Teaching

Fabrice BRUNET — 2011-02-13T20:08:44Z

Cours + Enoncé et Correction Examen Thermodynamique (ENS - L3)

“Merci de me contacter si vous trouvez des erreurs !”

Cours 2012

COURS_2014

Figures

2011

Enoncé

2011

Corrigé

2013

Enoncé

2014

Enoncé

2014

Corrigé

2015

Enoncé

2015

Corrigé

2016

Corrigé

2016

Enoncé

2016

Corrigé

Fabrice Brunet (Min. & Envir. - ISTerre)

Fabrice BRUNET — 2011-02-13T18:51:46Z

«List of Publications / F. Brunet (Updated September, 2019)»

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OUVRAGE (pour l'enseignement)
2007 - Brunet, F., D. Andrault, and G. Chazot, La Terre interne : roches et matériaux en conditions extrêmes : Paris, Vuibert, 202 p.

VULGARISATION HYDROGENE NATUREL

2012 - Charlou, J.-L., Donval, J.-P., Brunet, F., Munoz, M., Vidal, O. (2012), "Connaissance scientifique et enjeux liés à l'hydrogène"; Eds Fouquet, Y. & Lacroix, D. In: Les ressources minérales marines profondes. p103-118. Editions Quae.

2011 - Charlou J.-L., Donval J.-P., Brunet, F., Munoz M., Vidal O., Perez F., Mugler C., Jean-Baptiste P. (2011). Hydrogène : produit naturel de la Terre - Nouvelles découvertes en domaine océanique. Mines & Carrières, (185), 58-69.

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76 - Myagkiy, A., Brunet, F., Popov, C., Krüger, R., Guimarães, H., Sousa, R.S., Charlet, L., Moretti, I., 2020. H₂ dynamics in the soil of a H₂-emitting zone (São Francisco Basin, Brazil): Microbial uptake quantification and reactive transport modelling. Applied Geochemistry 112, 104474. https://doi.org/10.1016/j.apgeochem.2019.104474

75 - Brunet, F. , Crouzet, C., Cretu, S., David, R., Courty, M., Demortière, A., Recham, N. Oxidative decomposition products of synthetic NaFePO4 marićite: nano-textural and electrochemical characterization. Eur. J. Mineral, in press.

74 - Brunet, F. (2019) Hydrothermal Production of H₂ and Magnetite From Steel Slags: A Geo-Inspired Approach Based on Olivine Serpentinization. Frontiers in Earth Science, 7 , p. 17. https://www.frontiersin.org/article/10.3389/feart.2019.00017

73 - Brunet, F. & Lanson, M. (2019). Effect of gold and magnetite on the decomposition kinetics of formic acid at 200 °C under hydrothermal conditions. Chemical Geology. 507. 10.1016/j.chemgeo.2018.12.028.

72 - Crouzet, C., Brunet, F., Montes-Hernandez, G., Recham, N., Findling, N., Ferrasse, J.-H., Goffé, B. (2017) Hydrothermal steel slag valorization. Part I: Coupled H₂ production and CO₂ mineral sequestration. Front. Energy Res. https://doi.org/10.3389/fenrg.2017.00029

71 - Crouzet, C., Brunet, F., Recham, N., Auzende, A.-L., Findling, N., Magnin, V., Ferrasse, J.-H., Goffé, B. (2017) Hydrothermal steel slag valorization. Part II: hydrogen and nano-magnetite production. Front. Earth Sci. https://doi.org/10.3389/feart.2017.00086

70 - Merkulova, M., Munoz, M., Brunet, F., Vidal, O., Hattori, K., Vantelon, D., Trcera, N. (2017) Experimental insight into redox transfer by iron- and sulfur-bearing serpentinite dehydration in subduction zones, Earth Planet. Sci. Lett., 479, 133-143.

69 - Wang, Y., Zhu, L., Shi, F., Schubnel, A., Hilairet, N., Yu, T., Rivers, M., Gasc, J., Addad, A., Deldicque, D., Li, Z., Brunet, F. (2017). A laboratory nanoseismological study on deep-focus earthquake micromechanics. Science Advances, 3, e1601896. doi:10.1126/sciadv.1601896

68 - Malvoisin, B., Chopin, C., Baronnet, A., Brunet, F., Bezacier, L. and Guillot, S. (2017) Fe-Ni-rich silicate aggregates formed after sulfides in high-pressure serpentinites. J. Petrol., https://doi.org/10.1093/petrology/egx042.

67 - Crouzet, C., Recham, N., Brunet, F., Findling, N., David, R., Sougrati, M.-T. (2016): A novel route for FePO₄ olivine synthesis from sarcopside oxidation. Solid State Sciences, 62, 29-33.

66 - Crouzet, C., Brunet, F., Recham, N., Findling, N., Lanson, M., Guyot, F., Ferrasse, J.-H., Goffé, B. (2016): Hydrogen production by hydrothermal oxidation of FeO under acidic conditions, International Journal of Hydrogen Energy, 42, 795-806. https://hal.archives-ouvertes.fr/hal-01468080/document

65 - Merkulova, M., Muñoz, M., Vidal, O., Brunet, F. (2016): Role of iron content on serpentinite dehydration depth in subduction zones: Experiments and thermodynamic modeling. Lithos, 264, 441-452.

64 - Gasc, J., Brunet, F., Brantut, N., Corvisier, J., Findling, N., Verlaguet, A., Lathe, C. (2016) Effect of water activity on reaction kinetics and intergranular transport: Insights from the Ca(OH)₂ + MgCO₃ → CaCO₃ + Mg(OH)₂ reaction at 1.8 GPa. J. Petrol., 57, 1389-1408.

63 - Verlaguet, A., Brunet, F., Goffé, B., Menut, D., Findling, N., Poinssot, C., Huet, B. (2016) Selective transfer of Li-Al-rich phyllosilicate to metamorphic veins (Western Alps): Laser Induced Breakdown Spectroscopy (LIBS) compositional profiles and microstructural characterization. J. Geodyn., in press.

62 - Janots, E., Bernier, F., Brunet, F., Muñoz, M., Trcera, N., Berger, A., Lanson, M. (2015) Ce(III) and Ce(IV) (re)distribution and fractionation in a laterite profile from Madagascar: insights from in situ XANES spectroscopy at the Ce LIII-edge. Geochim. Cosmochim. Acta, 153, 134-148.

61 - Milesi, V., Guyot, F., Brunet, F., Richard, L., Recham, N., Benedetti, M., Dairou, J. and Prinzhofer, A. (2015) Formation of CO2, H2 and condensed carbon from siderite dissolution in the 200–300 °C range and at 50 MPa. Geochim. Cosmochim. Acta, 154, 201–211.

60 - Malvoisin, B., Brunet, F. (2014) Water diffusion-transport in a synthetic dunite: Consequences for oceanic peridotite serpentinization. Earth Planet. Sci. Lett., 403, 263–272 DOI: 10.1016/j.epsl.2014.07.004. http://www.sciencedirect.com/science/article/pii/S0012821X14004464

59 - Charlou, J.-L., Donval, J.-P., Brunet,F., Munoz, M., Vidal, O. (2014) “Scientific Knowledge and Challenges Related to Hydrogen,” in Deep Marine Mineral Resources, Springer, Dordrecht, 2014, pp. 87–94.

58 - El Atrassi, F., Chazot, G., Brunet, F., Chopin, C., Bouybaouene, M. (2014) Amphibole genesis in pyroxenites from the Beni Bousera peridotite massif (Rif, Morocco): Evidence for two different metasomatic episodes. Lithos, 179, 231-248.

57 - Sissmann, O., Brunet, F., Martinez, I., Guyot, F., Verlaguet, A., Pinquier, Y., Daval, D. (2014). Enhanced Olivine Carbonation within a Basalt As Compared to Single-Phase Experiments: Reevaluating the Potential of CO2 Mineral Sequestration. Environ. Sci. Technol., 48, 5512–5519.

56 - Malavergne, V., Cordier, P., Righter, K., Brunet, F., Zanda, B., Addad, A., Smith, T., Bureau, H., Surblé, S., Raepsaet, C., Charon, E., Hewins, R.H. (2014).How Mercury can be the most reduced terrestrial planet and still store iron in its mantle, Earth Planet. Sci. Lett., 394, 186 - 197.

55 - Schubnel, A., Brunet, F., Hilairet, N., Gasc, J., Wang, Y., & Green, H. W. (2013). Deep-Focus Earthquake Analogs Recorded at High Pressure and Temperature in the Laboratory. Science, 341(6152), 1377-1380.

54 - El Atrassi, F., Brunet, F, Chazot, G.,Bouybaouene, M., Chopin, C.(2013) Metamorphic and magmatic overprint of garnet pyroxenites from the Beni Bousera massif (northern Morocco): petrography, mineral chemistry and thermobarometry. Lithos, 179, 231–248.

53 - Sissmann, O., Daval, D., Brunet, F., Guyot, F., Verlaguet, A., Pinquier, Y., Findling, N., Martinez, I. (2013) The deleterious effect of secondary phases on olivine carbonation yield: Insight from time-resolved aqueous-fluid sampling and FIB-TEM characterization. Chem Geol, 357, 186–202.

52 - Avril, C., Malavergne,V., Caracas, R., Zanda, B., Reynard, B., Charon, E., Bobocioiu, E., Brunet, F., Borensztajn, S., Pont, S., Tarrida, M., Guyot, F. (2013) Raman spectroscopic properties and Raman identification of CaS-MgS-MnS-FeS-Cr2FeS4 sulfides in meteorites and reduced sulfur-rich systems, Meteoritics & Planetary Science, 48, 1415–1426. DOI:10.1111/maps.12145. http://onlinelibrary.wiley.com/doi/10.1111/maps.12145/pdf

51 - Malvoisin, B., Brunet, F., Carlut, J., Montes-Hernandez, G., Findling, N., Lanson, M., Vidal, O., Bottero, J.-Y and Goffé, B. (2013) High-purity hydrogen gas from the reaction between BOF steel slag and water in the 473 - 673 K range. International Journal of Hydrogen Energy, 38, 7382-7393.(http://ac.els-cdn.com/S0360319913008410/1-s2.0-S0360319913008410-main.pdf?_tid=1a78cfda-116d-11e3-b9ed-00000aacb360&acdnat=1377864784_a8bc66a3784815692b10f78f609db830)

50 - Malvoisin, B., Brunet, F., Carlut, J., Rouméjon, S., Cannat, M. Serpentinization of oceanic peridotites (2012): 2. Kinetics and processes of San Carlos olivine hydrothermal alteration. J. Geophys. Res., VOL. 117, B04102, doi:10.1029/2011JB008842. http://www.agu.org/pubs/crossref/pip/2011JB008842.shtml

49 - Malvoisin, B., Carlut, J., Brunet, F. (2012) Serpentinization of oceanic peridotites: 1. a high-sensitivity method to monitor magnetite production in hydrothermal experiments. J. Geophys. Res., vol 117.doi:10.1029/2011JB008612 http://www.agu.org/pubs/crossref/2012/2011JB008612.shtml

48 - Malvoisin, B., Chopin, C., Brunet, F., Galvez, M. (2012) Low-temperature wollastonite formed by carbonate reduction:
a marker of serpentinite redox conditions. J. Petrol., 53, 159-173. http://hal.archives-ouvertes.fr/hal-00828900

47 - Gasc, J., Schubnel, A., Brunet, F., Guillon, S., Mueller, H.-J., Lathe, C. (2011) Simultaneous acoustic emissions monitoring and synchrotron X-ray diffraction at high pressure and temperature: Calibration and application to serpentinite dehydration. Phys. Earth Planet. Int., 189, 121-133. http://www.sciencedirect.com/science/article/pii/S0031920111001567

46 - Morales-Flórez, V., Findling, N. and Brunet, F. (2011) Changes on the nanostructure of cementitius calcium silicate hydrates (C–S–H) induced by aqueous carbonation. Journal of Materials Science, DOI 10.1007/s10853-011-5852-6

45 - Martin, C., Brunet, F., Duchêne, S., Luais, B., Deloule, E. (2011) REE and Hf distribution between pyrope and NaCl-bearing water at eclogitic-facies conditions, Eur. J. Mineral., 23, 343-353.

44 - J. Gasc, F. Brunet, N. Bagdassarov and V. Morales-Flórez (2011) Electrical conductivity of polycrystalline Mg(OH)2 at 2 GPa: effect of grain boundary hydration-dehydration, Phys. Chem. Mineral., 38, 543-556

43 – El Atrassi, F., Brunet, F., Bouybaouène, M.L., Chopin, C., Chazot, G. (2011) Melting textures and microdiamonds preserved in graphite pseudomorphs from the Beni Bousera peridotite massif, Morocco. Eur. J. Min, 23, 157-168.

42 – Verlaguet, A., Goffé, B., Brunet, F., Poinssot, C., Vidal, O., Findling, N., Menut, D. (2011) Metamorphic veining and mass transfer in a chemically closed system: a case study in Alpine metabauxites (western Vanoise). J. Metam. Petrol., 29, 275-300.

41 – Corvisier, J., Brunet, F., Fabbri, A., Bernard, S., Findling, N., Rimmelé, G., Barlet-Gouédard, V., Beyssac, O., Goffé, B. (2009) Raman mapping and numerical simulation of the distribution of calcium carbonates in experimentally carbonated Portland cement. Eur. J. Mineral, 22, 63-74.

40 – V. Morales-Florez & F. Brunet (2009) Structural models of random packing of spheres extended to bricks: simulation of the nanoporous calcium silicate hydrates. Molecular Simulation, 35, 1001-1006.

39 – A. Fabbri, J. Corvisier, A. Schubnel, F. Brunet, B. Goffé, G. Rimmele, V. Barlet-Gouédard (2009) Effect of carbonation on the hydro-mechanical properties of Portland cements, Cement and Concrete Research, 39, 1156-1163.

38 – Stebbins, J., Kim, N., Brunet, F. and Irifune, T. (2009) Confirmation of octahedrally coordinated phosphorus in AlPO4-containing stishovite by 31P NMR, Eur. J. Mineral., 21, 667-671.

37 – Sanehira, T., T. Irifune, T. Shinmei, H. Ohfuji, F. Brunet, K.-I. Funakoshi (2008) Density profiles of pyrolite and MORB compositions across the 660 km seismic discontinuity. High Pressure Research, 28, 335-349.

36 – Brantut, N., A. Schubnel, J.-N. Rouzaud, F. Brunet, T. Shimamoto (2008) High-velocity frictional properties of a clay-bearing fault gouge and implications for earthquake mechanics. Journal of Geophysical Research, 113, B.10401.

35 – Rimmelé, G., V. Barlet-Gouédard, O. Porcherie, B. Goffé and F. Brunet (2008) Heterogeneous Porosity distribution in Portland cement exposed to CO2-rich fluids. Cement and Concrete Research, 38, 1038-1048.

34 - Janots, E., Brunet, F., Goffé,B., Poinssot,C., Burchard, M., Cemic, L. (2008) Thermochemical characterization of Ca₄La₆ (SiO₄)₆(OH)₂ a synthetic La-and OH-analogous of britholite: implication for monazite and LREE apatites stability. Mineralogia 39 (1-2), 41-52.

33 - Vigier, N., C. Rollion-Bard, S. Spezzaferri, and F. Brunet (2007) In situ measurements of Li isotopes isotopes in foraminifera. Geochem. Geophy. Geosys., v. 8., doi:10.1029/2006GC001432

32 - Verlaguet, A. & Brunet, F. (2007) Effect of incongruent dissolution on mineral solubility data derived from quench experiments. Eur. J. Mineral., 19, 783-789.

31 - Schmid-Beurmann, P., F. Brunet, V. Kahlenberg, and E. Dachs (2007) Polymorphism and thermochemistry of MgAlPO4O, a product of lazulite breakdown at high temperature. Eur. J. Mineral., 19, 159-172.

30 - Hetenyi, G., R. Cattin, F. Brunet, L. Bollinger, J. Vergne, J. Nabelek, and M. Diament (2007) Density distribution of the India plate beneath the Tibetan plateau: Geophysical and petrological constraints on the kinetics of lower-crustal eclogitization. Earth Planet. Sci. Lett., 264, 226-244.

29 - Janots, E., F. Brunet, B. Goffe, C. Poinssot, M. Burchard, and L. Cemic (2007) Thermochemistry of monazite-(La) and dissakisite-(La) : Implications for monazite and allanite stability in metapelites. Contrib. Min. Petrol., 154, 1-14.

28 - Le Guillou, C., F. Brunet, T. Irifune, H. Ohfuji, and J. N. Rouzaud (2007) Nanodiamond nucleation below 2273 K at 15 GPa from carbons with different structural organizations. Carbon, 45, 636-648.

27 - Brunet, F., A. M. Flank, J. P. Itie, T. Irifune, and P. Lagarde (2007) Experimental evidence of sixfold oxygen coordination for phosphorus. Am. Mineral., 92, 989-993.

26 - J. N. Rouzaud, O. Beyssac, F. Brunet, C. Le Guillou, B. Goffé, T. Cacciaguerra, and J. Y. Laval (2006). Formation de graphite et de nanodiamants par pyrolyse sous pression. Exemples d'applications en Sciences de la Terre et de l'Univers. L'actualité chimique, mars 2006.

25 - Sanehira, T., T. Irifune, T. Shinmei, F. Brunet, K. Funakoshi, and A. Nozawa (2006) In situ X-ray diffraction study of an aluminous phase in MORB under lower mantle conditions. Phys. Chem. Miner., 33, 28-34.

24 - Janots, E., F. Negro, F. Brunet, B. Goffe, M. Engi, and M. L. Bouybaouene (2006) Evolution of the REE mineralogy in HP-LT metapelites of the Sebtide complex, Rif, Morocco : Monazite stability and geochronology. Lithos, 87, 214-234.

23 - Verlaguet, A., F. Brunet, B. Goffe, and W. M. Murphy (2006) Experimental study and modeling of fluid reaction paths in the quartz-kyanite +/- muscovite-water system at 0.7 GPa in the 350-550 degrees C range: Implications for Al selective transfer during metamorphism. Geochim. Cosmochim. Acta, 70, 1772-1788.

22 - Brunet, F., V. Bonneau, and T. Irifune (2006) Complete solid-solution between Na3Al2(PO4)3 and Mg3Al2(SiO4)3 garnets at high pressure. Am. Mineral., 91, 211-215.

21 - Vielzeuf, D., M. Champenois, J. W. Valley, F. Brunet, and J. L. Devidal (2005) SIMS analyses of oxygen isotopes: Matrix effects in Fe-Mg-Ca garnets. Chem. Geol., 223, 208-226.

20 - Vielzeuf, D., M. Veschambre, and F. Brunet (2005) Oxygen isotope heterogeneities and diffusion profile in composite metamorphic-magmatic garnets from the Pyrenees. Am. Mineral., 90, 463-472.

19 - Brunet, F., D. Morineau, and P. Schmid-Beurmann (2004) Heat capacity of lazulite, MgAl2(PO4)2(OH)2, from 35 to 298 K and a (S-V) value for P2O5 to estimate phosphate entropy. Mineral. Mag., 68, 123-134.

18 - Brunet, F., N. Bagdassarov, and R. Miletich (2003) Na3Al2(PO4)3, a fast sodium conductor at high pressure : in-situ impedance spectroscopy characterisation and phase diagram up to 8 GPa. Solid State Ionics, 159, 35-47.

17 - Rochette, P., G. Fillion, R. Ballou, F. Brunet, B. Ouladdiaf, and L. Hood (2003) High pressure magnetic transition in pyrrhotite and impact demagnetization on Mars. Geophys. Res. Lett., 30., 1683.

16 - Beyssac, O., F. Brunet, J. P. Petitet, B. Goffe, and J. N. Rouzaud (2003) Experimental study of the microtextural and structural transformations of carhonaceous materials under pressure and temperature. Eur. J. Mineral., 15, 937-951.

15 - Cairanne, G., F. Brunet, J. P. Pozzi, P. Besson, and C. Aubourg (2003) Magnetic monitoring of hydrothermal magnetite nucleation-and-growth : Record of magnetic reversals. Am. Mineral., 88, 1385-1389.

14 - Beyssac, O., J. N. Rouzaud, B. Goffe, F. Brunet, and C. Chopin (2002) Graphitization in a high-pressure, low-temperature metamorphic gradient : a Raman microspectroscopy and HRTEM study. Contrib. Min. Petrol., 143, 19-31.

13 - Goffe, B., E. Janots, F. Brunet, and C. Poinssot (2002) Breakdown of thorium phosphate-diphosphate (TPD), Th-4(PO4)2P2O7, at 320 degrees C, 50 MPa in Ca-bearing systems, or why TPD does not occur in nature. C. R. Geoscience, 334, 1047-1052.

12 - Imbach, J., F. Brunet, T. Charpentier, and J. Virlet (2002) Synthesis and NMR characterization (H-1 and P-31 MAS) of the fluorine-free hydroxylapatite-britholite-(Y) series. Am. Mineral., 87, 947-957.

11 - Chopin, C., G. Ferraris, M. Prencipe, F. Brunet, and O. Medenbach (2001) Raadeite, Mg-7(PO4)2(OH)8 : a new dense-packed phosphate from Modum (Norway). Eur. J. Mineral., 13, 319-327.

10 - Brunet, F., & Chazot, G. (2001) Partitioning of phosphorus between olivine, clinopyroxene and silicate glass in a spinel lherzolite xenolith from Yemen. Chem. Geol., 176, 51-72.

9 - Brunet, F., D. R. Allan, S. A. T. Redfern, R. J. Angel, R. Miletich, H. J. Reichmann, J. Sergent, and M. Hanfland (1999) Compressibility and thermal expansivity of synthetic apatites, Ca5(PO4)3X with X = OH, F and Cl. Eur. J. Mineral., 11, 1023-1035.

8 - Brunet, F., C. Chopin, and F. Seifert (1998) Phase relations in the MgO-P2O5-H2O system and the stability of phosphoellenbergerite: petrological implications. Contrib. Min. Petrol., 131, 54-70.

7 - Jaulmes, S., A. Elfakir, M. Quarton, F. Brunet, and C. Chopin (1997) Crystal structure of the high-temperature and high-pressure phase of magnesium monophosphate. J. Solid State Chem., 129, 341-345.

6 - Brunet, F. & Schaller, T. (1996) Protons in the magnesium phosphates phosphoellenbergerite and holtedahlite: An IR and NMR study. Amer. Mineral., 81, 385-394.

5 - Brunet, F. & Vielzeuf, D. (1996) The farringtonite/Mg3(PO4)2-II transformation : A new curve for pressure calibration in piston-cylinder apparatus. Eur. J. Mineral., 8, 349-354.

4 - Brunet F., Chopin C, Elfakir A, Quarton M (1995) Crystal and powder XRD data of Mg3(PO4)2-III: high-pressure and high-temperature form. Powder Diffraction, 10, 293-295.

3 - Brunet, F. & Chopin, C. (1995) Bearthite, Ca2Al(PO4)2OH - Stability, Thermodynamic Properties And Phase-Relations. Contrib. Min. Petrol., 121, 258-266.

2 - Brunet F (1995) Etude des relations de phases dans le système MgO-P2O5-H2O ; miscibilité entre silicates et phosphates : applications aux milieux naturels. Thèse de doctorat, Université Paris-Sud, 221 p.

1 - Chopin, C., F. Brunet, W. Gebert, O. Medenbach, and E. Tillmanns (1993) Bearthite, Ca2Al[PO4]2(OH), A New Mineral From High-Pressure Terranes Of The Western Alps. Schweiz. Mineral. Petrogr. Mitt., 73, 1-9.