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Institut de minéralogie, de physique des matériaux et de cosmochimie

Laurent Remusat

Scientific Expertise


Organic-Mineral Interactions in Meteorites

Water Content in Geological Samples

D/H Isotopic Signatures

Carbon and Nitrogen Cycles in Soils


Photo : © MNHN - Agnès Iatzoura

PI of the ERC project HYDROMA

Contact Details


Office : Site Buffon, 2th Floor, Room 206

Mail : laurent.remusat(at)mnhn.fr


Analytical Skills

  - NanoSIMS, GC-MS and GC-irMS

Professional Resume

  - Since 2020: Senior CNRS Researcher in Mineralogy/Geochemistry

  - Since 2019: Head of the PAM (MNHN Analytical Facilities)

  - 2009-2020: Junior CNRS Researcher in Mineralogy/Geochemistry

  - 2007-2009: Postdoctoral Research Fellow at the GPS division, Caltech (Pasadena, CA, USA)

Educational Background

  - HDR in Universe and Earth Sciences, MNHN - 2017

  - Ph.D. in Fundamental and Applied Geochemistry, MNHN - 2006

  - Agregation in Life Sciences - 2001



  - J.C. Viennet, S. Bernard, C. Guillou, V. Sautter, B. Gregoire, A. Jambon, S. Pont, O. Beyssac, B. Zanda, R. Hewins, and L. Remusat. “Martian magmatic clay minerals forming vesicles: perfect niches for emerging life?”. Astrobiology, in press.

  - G. Danger, A. Ruf, J. Maillard, J. Hertzog, V. Vinogradoff, P. Schmitt-Kopplin, C. Afonso, N. Carrasco, I. Schmitz-Afonso, L. Le Sergeant d'Hendecourt and L. Remusat. “Unprecedented Molecular Diversity Revealed in Meteoritic Insoluble Organic Matter: The Paris Meteorite's Case.” The Planetary Science Journal, 1, 55. 2020. doi: 10.3847/PSJ/abb60f.

  - L. Gentaz, M. Saheb, A. Verney-Carron, L. Sessegolo, A. Chabas, N. Nuns, L. Remusat, A. Gonzalez-Cano, C. Fourdrin, J.-D. Mertz. “Reactivity of secondary phases in weathered limestone using isotopic tracers (D and 18O)”. Environmental Science and Pollution Research. 2020.
doi: 10.1007/s11356-020-10644-z

  - O. Gianola, O. Bartoli, B. Cesare, F. Ferri, A. Galli, S. Ferrero, L. Capizzi, C. Liebske, L. Remusat, S. Poli. “Anatectic melt inclusions in ultra-high temperature granulites”. Journal of Metamorphic Geology. 2020. doi: 10.1111/jmg.12567

  - F. Ferri, B. Cesare, O. Bartoli, S. Ferrero, R. Palmeri, L. Remusat, S. Poli. “Melt inclusions at Mt. Edixon (Antarctica): chemistry, petrology and implications for the evolution on the Lanterman Range”. Lithos 374-375, 105685. 2020. doi: 10.1016/j.lithos.2020.105685

  - V. Vinogradoff, C. Le Guillou, S. Bernard, J.-C. Viennet, M. Jaber, L. Remusat. “Influence of phyllosilicates on the hydrothermal alteration of organic matter in asteroids: experimental perspectives”. Geochimica et Cosmochimica Acta 269, 150 – 166. 2020. Doi: 10.1016/j.gca.2019.10.029

  - O. Bartoli, A. Acosta-Vigil, B. Cesare, L. Remusat, A. Gonzalez-Cano, M. Wälle; L. Tajcmanova, A. Langone “Geochemistry of Eocene-Early Oligocene low-temperature crustal melts from Greater Himalayan Sequence (Nepal): a nanogranitoid perspective”. Contributions to Mineralogy and Petrology 174, 82. 2019. Doi:/10.1007/s00410-019-1622-2

  - L. Remusat, J.-Y. Bonnet, S. Bernard, A. Buch, E. Quirico. “Molecular and isotopic behavior of Insoluble Organic Matter of the Orgueil meteorite upon heating”. Geochimica et Cosmochimica Acta 263, 235 – 249. 2019. Doi: 10.1016/j.gca.2019.07.013

  - C. Strullu-Derrien, S. Bernard, A.R.T. Spencer, L. Remusat, P. Kenrick, D. Derrien. “On the structure and chemistry of fossils of the earliest woody plant”. Paleontology 2019. doi: 10.1111/pala.12440.

  - A.Vidal, F. Watteau, L. Remusat, C. W. Mueller, T.-T. Nguyen Tu, F. Bruegger, S. Derenne, K. Quenea. “ Earthworm Cast Formation and Development: A Shift From Plant Litter to Mineral Associated Organic Matter”. Frontiers in Environmental Science 7, 55. 2019. Doi: 10.3389/fenvs.2019.00055

  - A. Chandramohan, E. Duprat, L. Remusat, S. Zirah, C. Lombard, A. Kish. “Novel Mechanism for Surface Layer Shedding and Regenerating in Bacteria Exposed to Metal-Contaminated Conditions”. Frontiers in Microbiology 9, 3210. 2019. Doi: 10.3389/fmicb.2018.03210

  - D.V. Bekaert, Y. Marrocchi, A. Meshik, L. Remusat, B. Marty. “ Primordial heavy noble gases in the pristine Paris carbonaceous chondrite”. Meteoritics and Planetary Science 54, 395-414. 2019. Doi: 10.1111/maps.13213

  - B. B. Carvalho, O. Bartoli, F. Ferri, B. Cesare, S. Ferrero, L. Remusat, L. S. Capizzi, S. Poli. “ Anatexis and fluid regime of the deep continental crust: new clues from melt and fluid inclusions in metapelitic migmatites from Ivrea Zone (NW Italy)”. Journal of Metamorphic Geology 37, 951–975. 2019. Doi: 10.1111/jmg.12463.

  - L. Créon, G. Levresse, G. Carrasco-Nuñez, L. Remusat. “ Evidence of a shallow magma reservoir below Los Humeros volcanic complex: Insights from the geochemistry of silicate melt inclusions”. Journal of South American Earth Sciences 88, 446-458. 2018. Doi: 10.1016/j.jsames.2018.09.017

  - J.-P. Lorand, R. H. Hewins, M. Humayun, L. Remusat, B Zanda, C. La, S. Pont. “Chalcophile-siderophile element systematics of hydrothermal pyrite from martian regolith breccia NWA 7533”. Geochimica et Cosmochimica Acta 241, 134-149. 2018. Doi: 10.1016/j.gca.2018.08.041

  - M. Roskosz, E. Deloule, J. Ingrin, C. Depecker, D. Laporte, S. Merkel, L. Remusat, H. Leroux. “Kinetic D/H fractionation during hydration and dehydration of silicate glasses, melts and nominally anhydrous minerals”. Geochimica et Cosmochimica Acta 233, 14-32, 2018. doi: 10.1016/j.gca.2018.04.027.

  - H. Bureau, L. Remusat, I. Esteve, D. Pinti, P. Cartigny. “The Growth of Lithospheric Diamonds”. Science Advances, 4, 2018. doi: 10.1126/sciadv.aat1602

  - L. Sessegolo, A. Verney-Carron, M. Saheb, L. Remusat, A. Gonzalez-Cano, N. Nuns, J.-D. Mertz, C. Loisel, A. Chabas. “Long-term weathering rate of stained glass windows using H and O isotopes”. npj Materials Degradation 2, 17, 2018. doi: 10.1038/s41529-018-0038-1

  - L. Créon, G. Levresse, L. Remusat, H. Bureau, G. Carrasco-Nuñez. “ New method for silicate melt inclusion homogenization: A mathematical approach coupling X‐ray microtomography, geochemistry and thermodynamics”. Chemical Geology. 483, 162-173, 2018. doi: 10.1016/j.chemgeo.2018.02.038.

  - L. Piani, H. Yurimoto, L. Remusat. “A dual origin for water in carbonaceous asteroids revealed by CM chondrites”. Nature Astronomy. 2, 317-323, 2018. doi:10.1038/s41550-018-0413-4

  - J. Marin-Carbonne, L. Remusat, M. C. Sforna, C. Thomazo, P. Cartigny and P. Philippot. “Sulfur isotope signal of nano-pyrites enclosed in 2.7 Ga old stromatolitic organic remains reveal microbial sulfate reduction”. Geobiology 16, 121-138, 2018. doi: 10.1111/gbi.12275

 - V. Vinogradoff, S. Bernard, C. Le Guillou, L. Remusat. “Evolution of interstellar organic compounds under asteroidal hydrothermal conditions”. Icarus 305, 358-370, 2018. doi: 10.1016/j.icarus.2017.12.019

  - H. Pilorgé, B. Reynard, L. Remusat, S. Le Floch, G. Montagnac, H. Cardon. "D/H diffusion in serpentine”. Geochimica et Cosmochimica Acta 211, 355-371, 2017. doi: 10.1016/j.gca.2017.04.010

  - V. Vinogradoff, C. Le Guillou, S. Bernard, L. Binet, P. Cartigny, A. Brearley, L. Remusat. “Paris vs. Murchison: impact of hydrothermal alteration on organic matter in CM chondrites”. Geochimica et Cosmochimica Acta 212, 234-252, 2017. doi: 10.1016/j.gca.2017.06.009

  - D. Daval, S. Bernard, L. Remusat, B. Wild, F.Guyot, J.-S. Micha, F. Rieutord, V. Magnin, A. Fernandez-Martinez. “Dynamics of altered surface layer formation on dissolving silicates”. Geochimica et Cosmochimica Acta. 209, 51-69, 2017. doi: 10.1016/j.gca.2017.04.010

  - T.-A. Suer, J. Siebert, L. Remusat, N. Menguy, G. Fiquet. “A sulfur-poor terrestrial core inferred from metal-silicate partitioning experiments”. Earth and Planetary Science Letters 469, 84-97, 2017. doi:10.1016/j.epsl.2017.04.016

  - L. Gavilan, L. Remusat, M. Roskosz, H. Popescu, N. Jaouen, C. Sandt, C. Jäger, T. Henning, A. Simionovici, J.-L. Lemaire, D. Mangin, N. Carrasco. “X-ray induced deuterium enrichment of N-rich organics in protoplanetary disks: an experimental investigation using synchrotron light”. The Astrophysical Journal 840:35, 2017. doi:10.3847/1538-4357/aa6bfc

  - L. Créon, V. Rouchon, S. Youssef, E. Rosenberg, G. Delpech, C. Szabó, L. Remusat, S. Mostefaoui, P. D. Asimow, P. M. Antoshechkina, M. S. Ghiorso, E. Boller, F. Guyot. “Highly CO2-supersaturated melts in the Pannonian lithospheric mantle – A transient carbon reservoir?”. Lithos 286, 519–533, 2017. doi: 10.1016/j.lithos.2016.12.009.

  - A. Stephant, L. Remusat, F. Robert. “Water in type I chondrules of Paris CM chondrite”. Geochimica et Cosmochimica Acta. 199, 75-90, 2017. doi:10.1016/j.gca.2016.11.031

  - R. Hewins, B. Zanda, M. Humayun, A. Nemchin, J.-P. Lorand, S. Pont, D. Deldicque, J. J. Bellucci, P. Beck, H. Leroux, M. Marinova, L. Remusat, C. Göpel, E. Lewin, M. Grange, A. Kennedy, M. J. Whitehouse. “Regolith breccia Northwest Africa 7533: Mineralogy and petrology with implications for early Mars”. Meteoritics and Planetary Science 52, 89-124, 2017. doi :10.1111/maps.12740

  - M. Roskosz, B. Laurent, H. Leroux, L. Remusat. “Experimental investigation of irradiation-driven hydrogen isotope fractionation in analogues of protoplanetary hydrous silicate dust”. The Astrophysical Journal, 832:55, 2016. doi:10.3847/0004-637X/832/1/55.

  - A. Acosta-Vigil, A. Barich, O. Bartoli, C. J. Garrido, B. Cesare, L. Remusat, S. Poli and C. Raepsaet. “The composition of nanogranitoids in migmatites overlying the Ronda peridotites (Betic Cordillera, S Spain): the anatectic history of a polymetamorphic basement”. Contributions to Mineralogy and Petrology 171:24, 2016. doi:10.1007/s00410-016-1230-3.

   - L. Remusat, L. Piani, S. Bernard. “Thermal recalcitrance of the organic D-rich component of ordinary chondrites”. Earth and Planetary Science Letters 435, 36-44, 2016. doi:10.1016/j.epsl.2015.12.009

   - A.Vidal, L. Remusat, F. Watteau, S. Derenne, K. Quenea. “Incorporation of 13C-labelled shoot residues in Lumbricus terrestris casts: A combination of Transmission Electron Microscopy and Nanoscale Secondary Ion Mass Spectrometry” Soil Biology and Biochemistry 93, 8-16, 2016. doi:10.1016/j.soilbio.2015.10.018

  - J.-P. Lorand, R. H. Hewins, L. Remusat, B Zanda, S. Pont, H. Leroux, M. Marinova, D. Jacob, M. Humayun,  A. Nemchin, M. Grange, A. Kennedy, C. Göpel. “Nickeliferous pyrite tracks pervasive hydrothermal alteration in Martian regolith breccias: a study in NWA 7533”. Meteoritics and Planetary Science 50, 2099-2120, 2015.

  - P.-J. Hatton, L. Remusat, B. Zeller, E. A. Brewer and D. Derrien. “NanoSIMS investigation of glycine-derived C and N retention with soil organo-mineral associations”. Biochemistry Letters 125, 303-313, 2015. doi: 10.1007/s10533-015-0138-8

  - J. Miot, L. Remusat, E. Duprat, A. Gonzalez, S. Pont, M. Poinsot. “Fe biomineralization mirrors individual metabolic activity in a nitrate-dependent Fe(II)-oxidizer” Frontiers in Microbiology, 6:879, 2015. doi: 10.3389/fmicb.2015.00879.

  - A.Verney-Carron, M. Saheb, C. Loisel, R. Duhamel, L. Remusat. “Use of hydrogen isotopes to understand stained glass weathering” Procedia Earth and Planetary Science, 13, 64-67, 2015.

  - M. Saheb, A.Verney-Carron, L. Remusat, R. Duhamel, A. Gonzalez-Cano, J.-D. Mertz, C. Loisel, A. Chabas, O. Rozenbaum (2015) “Isotope tracers to investigate reactive zones in stones from built cultural heritage” Procedia Earth and Planetary Science. 13, 56-59, 2015.

  - B. Laurent, M. Roskosz, L. Remusat, F. Robert, H. Leroux, H. Vezin, C. Depecker, N. Nuns, J.-M. Lefebvre. “Early ionizing irradiation witnessed by the D/H distribution in chondritic organic matter” Nature Communications, 6:8567, 2015. doi: 10.1038/ncomms9567.

  - P. Beck, A. Pommerol, B. Zanda, L. Remusat, J.-P. Lorand, C. Göpel,  R. Hewins, S. Pont, E. Lewin, E. Quirico, B. Schmitt, G. Montes-Hernandez, A. Garenne, L. Bonal, O. Proux, J.-L. Hazemann, V.C.F. Chevrier. “A Noachian source region for the “Black Beauty” meteorite, and a source lithology for Mars surface hydrated dust?” Earth and Planetary Science Letters 427, 104 -111, 2015. doi: 10.1016/j.epsl.2015.06.033

  - C. Rumpel, K. Baumann, L. Remusat, M.-F. Dignac, P. Barré, D. Deldicque, G. Glasser, I. Lieberwirth, A. Chabbi “Nanoscale evidence of contrasted processes for root-derived organic matter stabilization by mineral interactions depending on soil depth” Soil Biology & Biochemistry 85, 82-88, 2015.

  - L. Piani, F. Robert and L. Remusat. “Micron-scale D/H heterogeneity in chondrite matrices: A signature of the pristine solar system water?” Earth and Planetary Science Letters 415, 154-164, 2015.

  - J. Alleon, S. Bernard, L. Remusat and F. Robert. “Estimation of nitrogen-to-carbon ratios of organics and carbon materials at the submicrometer scale.” Carbon, 84, 290-298, 2015 . doi:10.1016/j.carbon.2014.11.044

  - E. Dartois, C. Engrand, R. Brunetto, J. Duprat, T. Pino, E. Quirico, L. Remusat, N. Bardin, G. Briani, S. Mostefaoui, G. Morinaud, B. Crane, N. Szwec, L. Delauche, F. Jamme, C. Sandt and P. Dumas. “Interstellar and interplanetary carbonaceous solids in the laboratory.” Geochemical Journal, 48, 2015. doi:10.2343/geochemj.2.0330.

  - B. Laurent, M. Roskosz, L. Remusat, H. Leroux, H. Vezin, C. Depecker. “Isotopic and structural signature of experimentally irradiated organic matter”. Geochimica et Cosmochimica Acta, 142, 522-534, 2014. doi: 10.1016/j.gca.2014.07.023.

  - A. Stephant, L. Remusat, A. Thomen, F. Robert. “Reduction of OH contamination in quantification of water contents using NanoSIMS imaging”. Chemical Geology 380, 20-26, 2014. doi: 10.1016/j.chemgeo.2014.04.018

  - O. Bartoli, B. Cesare, L. Remusat, A. Acosta-Vigil, S. Poli. “The water content of granite embryos”. Earth and Planetary Science Letter 395, 281-290, 2014. doi: 10.1016/j.epsl.2014.03.031

  - A. Thomen, F. Robert and L. Remusat. “Determination of the Nitrogen abundance in Organic Material by NanoSIMS quantitative imaging.” Journal of Analytical Atomic Spectrometry. 29, 512-519, 2014. doi:10.1039/C3JA50313E

  - C. Le Guillou, S. Bernard, A. J. Brearley and L. Remusat. “Evolution of organic matter in Orgueil, Murchison and Renazzo during parent body aqueous alteration: in-situ investigations.” Geochimica et Cosmochimica Acta, 131, 368-392, 2014 . doi:10.1016/j.gca.2013.11.020

  - C. Le Guillou, L. Remusat, S. Bernard, A. J. Brearley, H. Leroux. “Amorphization and D/H fractionation of kerogens during experimental electron irradiation: comparison with chondritic organic matter” Icarus, 226, 101-110, 2013. doi:10.1016/j.icarus.2013.05.003

  - E. Dartois, C. Engrand, R. Brunetto, J. Duprat, T. Pino, E. Quirico, L. Remusat, N. Bardin, G. Briani, S. Mostefaoui, G. Morinaud, B. Crane, N. Szwec, L. Delauche, F. Jamme, C. Sandt and P. Dumas. “UltraCarbonaceous Antarctic micrometeorites, probing the solar system beyond the nitrogen snow-line.” Icarus, 224, 243-252, 2012. doi:10.1016/j.icarus.2013.03.002

  - L. Piani, L. Remusat and F. Robert. “Determination of the H isotopic composition of individual components in fine-scale mixtures of organic matter and phyllosilicates with the NanoSIMS.” Analytical Chemistry, 84, 10199-10206, 2012. doi:10.1021/ac301099u

  - L. Remusat, J.-N. Rouzaud, E. Charon, C. Le Guillou, Y. Guan and J. M. Eiler. “D-depleted organic matter and graphite in the Abee enstatite chondrite.” Geochimica et Cosmochimica Acta, 96, 319-335, 2012. doi: 10.1016/j.gca.2012.07.031

  - L. Remusat, P.-J. Hatton, P. S. Nico, B. Zeller, M. Kleber and D. Derrien. “NanoSIMS study of organic matter associated with soil aggregates: advantages, limitations and combination with STXM.” Environmental Science and Technology, 46, 3943-3949, 2012. doi: 10.1021/es203745k

  - P.-J. Hatton, L. Remusat, B. Zeller and D. Derrien. “A multi-scale approach to determine accurate elemental and isotopic ratios by NanoSIMS imaging” Rapid Communication in Mass Spectrometry, 26, 1363-1371, 2012.

  - C. Le Guillou, J.-N. Rouzaud, L. Bonal, E. Quirico, S. Derenne and L. Remusat. “High resolution TEM of chondritic carbonaceous matter: metamorphic evolution and heterogeneity.” Meteoritics and Planetary Science, 47, 345-362, 2012. doi: 10.1111/j.1945-5100.2012.01336.x.

  - N. Dauphas, L. Remusat, J. H. Chen, M. Roskosz, D. A. Papanastassiou, J. Stodolna, Y. Guan, C. Ma, and J. M. Eiler. "Neutron-rich chromium isotope anomalies in supernova nanoparticles" The Astrophysical Journal 720, 1577-1591, 2010.

  - C. Le Guillou, J.-N. Rouzaud, L. Remusat, A. Jambon, and M. Bourot-Denise. “Structures, origin and evolution of various carbon phases in the ureilite Northwest Africa 4742 compared with laboratory-shocked graphite”. Geochimica et Cosmochimica Acta 74, 4167-4185, 2010.

  - L. Remusat, Y. Guan, Y. Wang and J. M. Eiler. “Accretion and preservation of D-rich organic particles in carbonaceous chondrites: evidence for important transport in the early solar system nebula” The Astrophysical Journal, 713, 1048-1058, 2010.

  - L. Remusat, F. Robert, A. Meibom, S. Mostefaoui, O. Delpoux, L. Binet, D. Gourier et S. Derenne. “Proto-planetary disk chemistry recorded by deuterium-rich organic radicals in carbonaceous meteorites” The Astrophysical Journal, 698, 2087-2092, 2009.

  - L. Remusat, C. LeGuillou, J.-N. Rouzaud, L. Binet, S. Derenne et F. Robert. “Molecular study of the insoluble organic matter of Kainsaz CO3 carbonaceous chondrite: comparison with CI and CM IOM” Meteoritics and Planetary Science, 43, 1099-1111, 2008.

  - L. Remusat, F. Robert et S. Derenne. “The Insoluble Organic Matter in carbonaceous chondrites: chemical structure, isotopic composition and origin.” Comptes Rendus de l’Académie des Sciences Géosciences, 339, 895-906, 2007.

  - L. Remusat, F. Palhol, F. Robert, S. Derenne et C. France-Lanord. “Enrichment of deuterium in insoluble organic matter from primitive meteorites: A solar system origin?” Earth and Planetary Science Letters, 243, 15-25, 2006.

  - L. Remusat, S. Derenne et F. Robert. “New insight on aliphatic linkages in the macromolecular organic fraction of Orgueil and Murchison meteorites through ruthenium tetroxide oxidation.” Geochimica et Cosmochimica Acta, 69, 4377-4386, 2005.

  - L. Remusat, S. Derenne, F. Robert et H. Knicker. “New pyrolytic and spectroscopic data on Orgueil and Murchison Insoluble Organic Matter: A different origin than soluble?” Geochimica et Cosmochimica Acta, 69, 3919-3932, 2005.


Main Collaborators


  - Bernardo Cesare et Omar Bartoli (Univ Padova)

  - Hélène Bureau, Guillaume Fiquet, Brigitte Zanda, Roger Hewins, Sylvain Bernard (IMPMC)

  - Katell Quenea (Metis)

  - Delphine Derrien, Arnaud Legout, Gregory Van der Heiden (INRA Champenoux)

  - Mathieu Roskosz, Hugues Leroux (UMET Lille)

  - Jean-Pierre Lorand (Univ Nantes)

  - Laurette Piani (Univ Hokkaido)

  - Aurélien Thomen (Univ Hawaii)

  - Johanna Marin-Carbone (Univ St Etienne)

  - Julien Siebert (IPGP)

  - Cécile Engrand, Jean Duprat (CSNSM Orsay)

  - Emmanuel Dartois, Rosario Bruneto (IAS Orsay)

  - Jean-Noël Rouzaud (ENS Paris)



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