Baptiste Debret
Contenu / Travaux
- EDUCATION
Nov. 2013 PhD in Metamorphic Petrology, Labortatoire Magmas et Volcans (LMV), Blaise Pascal University, Clermont-Ferrand, FRANCE
Jun. 2010 Master’s degree in Earth Sciences, Blaise Pascal University, Clermont-Ferrand, FRANCE
Jun. 2008 Undergraduate degree in Earth Sciences, Blaise Pascal University, Clermont-Ferrand, FRANCE
- CURRENT POSITION
Since Oct 2019 Permanent CNRS researcher (Chargé de Recherche de Classe Normale - CNRS) at the Université de Paris / Institut de Physique du Globe de Paris (UMR 7154), Paris, France
- PREVIOUS POSITIONS
2017 – 2019 Postdoctoral Research Fellow for the FNRS Université Libre de Bruxelles/ Laboratoire G-TIME, Belgique
2016 – 2017 Postdoctoral Research Associate, University of Cambridge/ Department of Earth Sciences, England
2014 – 2016 Postdoctoral Research Associate, Durham University/ Department of Earth Sciences, England
2010 – 2014 PhD student, Université Blaise Pascal / Laboratoire Magmas et Volcans, France
- FELLOWSHIPS AND AWARDS
2019 – 2022 Prime d’Excellence Scientifique CNRS (gratification for Scientific Excellence).
2017 – 2019 FNRS Postdoctoral Fellowship, Université Libre de Bruxelles/ Laboratoire G-TIME, Belgique
2016 – 2017 NERC Moratorium Award, University of Cambridge/ Department of Earth Sciences, England
- FUNDED RESEARCH PROJECTS
2024 – 2028 Agence nationale de la recherche PRC (450,000 €): DHYAM - Diversity, dynamics and impact of ultramafic-hosted hydrothermal activity at mid-ocean ridges. PI: Andreani M. (LGL, Lyon) Co-I: Debret B. (IPGP), Escartin J. (ENS Paris), Le Bris N. (LECOB, U. Sorbonne), Trocheri L. (COMET)
2023 – 2024: Frontier project – Labex UnivEarthS, Université de Paris (120,000€): AURORA: Are sUbsuRface ecOsystems Relevant Analogs for the exploration of life on rocky (exo)planets? PI: Ménez B. (IPGP) Co-I: Debret B., Gérard E., Pisapia C. (IPGP)
2023 – 2027 Agence nationale de la recherche JCJC (284,000 €): CARBioNic - EnhanCed potentiAl foR aBiotic OrgaNic synthesis in subduction zones. PI: Debret B. (IPGP)
2019 – 2022 Frontier project – Labex UnivEarthS, Université de Paris (210,000€): MYSTHIC – MobilitY versus STorage of HImalayan Carbon PIs: Girault F., Debret B., Pisapia C. (IPGP)
2017 – 2019 FNRS Fellowship (3 years of salary & 15,000 €): Le rôle des serpentinites sur les variations de l'état redox de la planète au cours des temps géologiques PI: Debret B. (ULB)
2016 – 2017 NERC moratorium award (37,000 £): “Assessing the redox state of Mariana forearc” PI: H. Williams (University of Cambridge) Co-I: Debret B. (University of Cambridge).
2020-2022 I was PI on 3 funded INSU projects (each dotation is between 5,000 and 10, 000 € for one year) and has been listed co-PI of 5 other funded INSU projects in the past.
2012 – Now: I am a common user of synchrotron technics. I am therefore PI and co-PI of several projects (about 1 per year) at the SOLEIL synchrotron.
- (CO-)SUPERVISION OF GRADUATE STUDENTS & POSTDOCTORAL FELLOWS
Postdocs (2):
2024 – Present C. Herviou (Postdoc, IPGP) – ANR JCJC – CARBioNic project.
2020 – 2023 J. Villalobos-Orchard (Postdoc, IPGP) – Labex UnivEarthS – MYSTHIC project.
PhD students (6):
2022 – 2023 K. Yang (Chinese Scholarship Council [CSC] visiting PhD student, China University of Geosciences, Beijing). Fe-Zn-Cu isotopic characteristics and significance of serpentinites in the Yarlung Zangbo Ophiolites.
2022 – 2023 C. Wang (CSC visiting PhD student, China University of Geosciences, Beijing). Origins of deep abiotic hydrocarbons: Insights from fundamental redox reactions within the Fe-C-H-O system.
2021 – Present L. Besognet, PhD Université de Paris/ Institut de Physique du Globe de Paris, France. The fate of crustal carbonaceous matter in subduction zones and its implications for diamond formation.
2019 – 2022 C. Caurant (PhD student, IPGP). Tracking the long-term carbon cycling in subduction zones.
2017 – 2021 H. Beunon (PhD student, ULB). The ultra-refractory peridotites from the oceanic Kerguelen Large Igneous Province: effects on the buoyancy of oceanic plateaus and the continental accretion?
2014 – 2018 E. Inglis (PhD student, Durham University). Elemental Fluxes to the Mantle Wedge: Potential Redox Controls and Siderophile/Chalcophile Element Cycling.
Master Students (8):
2023 L. Riccardelli (Master 1st year, IPGP). Diversité du carbone organique piégé à haute pression dans les serpentinites éclogitiques des Alpes Occidentales.
2019 – 2021 L. Besognet (Master Student 1st&2nd years, IPGP). Devenir de la matière carbonacée d’origine hydrothermale pendant la subduction de la lithosphère océanique et implication pour la formation de diamant
2020 M. Anzalone (Master student 2nd year, ULB). Apport des isotopes des métaux (Fe-Zn-Cu) sur les processus de formation des BIF au néo-protérozoïque.
2020 A. Gautier (Master student 2nd year, ULB). Redox transfer across subduction zones, a mantle wedge perspective: study of the Finero massif (Italy)
2013-2014 F. Cattani (Master student 1st&2nd years, LMV). F-Cl-B-Li content evolution in amphiboles of oceanic metagabbros during subduction.
2012 S. Echaubard (Master student 1st year, LMV). Petrological evolution of serpentinites during subduction.
2012 M. Colombier (Master student 1st year, LMV). Measurement of F and Cl in amphiboles from different settings: oceanic slow- (Chenaillet, Lanzo) and fast- (Oman) spreading ridges and deep continental crust (Madagascar).
2011 M. Poncet (Master student 1st year, LMV): Petrological and chemical (LA-ICPMS) characterization of amphiboles from isotropic gabbros (Oman ophiolite).
Licence Students (2):
2023 P.A. Velut (Licence 1st year, IPGP) – Distribution of organic compounds in high pressure samples (Queyras and Monviso massifs). 1 month
2021 M. Warembourg (Licence 3rd year, IPGP) – Spectral characterization (FTIR & Raman) of organic compounds in the Monviso serpentinites. 2 months
PhD evaluation (1):
2023 Examinateur of Kristijan Rajic PhD (ISTO Institut des Sciences de la Terre d'Orleans) – Thesis: “Tectonics, metamorphism, and fluid circulation in accretionary complexes”
- FIELDWORK & MARINE CRUISE
Fieldwork (between 10 to 30 days per year), my main fields are in the Western Alps (Chenaillet, Chamrousse, Queyras, Monte Maggiore, Monviso, Lanzo, Zermatt Zaas, Finero, Mont Avic), the Sierra Nevada (Cerro del Almirez massif) and the Himalaya (Ladakh and Tibet)
Marine Cruise, Participation to the IODP Exp. 366 “Mariana convergent margin & South Chamorro seamount” from Dec. 2016 to Feb. 2017. Projets
CARBioNic: EnhanCed potentiAl foR aBiotic OrgaNic synthesis in subduction zones
Le cycle profond du carbone correspond au recyclage du carbone vers les profondeurs de la Terre, principalement dans le manteau terrestre et le noyau....
Publications
Villalobos-Orchard Javiera, Debret Baptiste, Bouilhol Pierre, Upadhyay Rajeev, Gutiérrez Pamela, Chauvel Catherine, Girault Frédéric. Geochemical signatures of forearc serpentinites from oceanic to continental subduction. Geochimica et Cosmochimica Acta, Elsevier, mars 2025, 392. <10.1016/j.gca.2024.11.001>
Coltat R., Debret Baptiste, Tilhac R., Andreani Muriel, Patten C.G.C., Godard M., Escartín J.. Multi-isotopic (Fe-Cu-Zn) constraints on the magmato-hydrothermal history during mantle exhumation at slow-spreading centers. Geochimica et Cosmochimica Acta, Elsevier, janvier 2025, 388. <10.1016/j.gca.2024.11.013>
Debret Baptiste, Sossi Paolo A, Malaspina N., Gautier Adrien, Mattielli N., O'Neill H., Villalobos-Orchard J., Moynier Frédéric. Carbonate metasomatism at mantle wedge conditions, evidence from trace element and stable isotope (Fe, Zn) signatures of orogenic peridotites. Chemical Geology, Elsevier, 2025, 680. <10.1016/j.chemgeo.2025.122649>
Kawamoto Tatsuhiko, Inukai Tomohiro, Nicollet Christian, Koga Kenneth T., Rose-Koga Estelle F., Debret Baptiste. Fluid inclusions of ophicarbonates in Oman and Western Alps ophiolite and carbonation experiments of mantle minerals. 26 août 2024.
Debret Baptiste, Andreani Muriel, Godard Marguerite. A review of abyssal serpentinite geochemistry and geodynamics. Earth-Science Reviews, Elsevier, août 2024. <10.1016/j.earscirev.2024.104910>
Cannaò E., Debret Baptiste. Variable δ11B signatures reflect dynamic evolution of the Mariana serpentinite forearc. Geochemical Perspectives Letters, European Assoication of Geochemistry, mai 2024, 30. <10.7185/geochemlet.2416>
Debret Baptiste, Caurant Clara, Ménez Bénédicte, Busigny Vincent, Moynier Frédéric. Evidence for isotopically light Fe mobility under oxidising conditions in subduction zone fluids: A record of Monviso meta-serpentinites, Western Alps. Earth and Planetary Science Letters, Elsevier, 2024, 642. <10.1016/j.epsl.2024.118855>
Yang Kai, Dai Jingen G, Shen Jie, Debret Baptiste. Melting processes, cooling rates, and tectonic settings of the Neo-Tethyan mantle: the in-situ mineral chemical record. Chemical Geology, Elsevier, 2024, 643. <10.1016/j.chemgeo.2023.121834>
Besognet Laurie, Debret Baptiste, Siebert Julien, Wehr Nicolas, Brunelle Alain, Ménez Bénédicte. Experimental exploration of polycyclic aromatic hydrocarbons stability in subduction zones. Contributions to Mineralogy and Petrology, Springer Verlag, 2024, 179. <10.1007/s00410-024-02163-8>
Coltat R., Andreani M., Patten C., Godard M., Debret B., Escartin J.. Origin of Fe‐Ca‐Metasomatism in Exhumed Mantle Rocks at the MARK Area (23°N, ODP Leg 153) and Implications on the Formation of Ultramafic‐Hosted Seafloor Massive Sulfide Deposits. Geochemistry, Geophysics, Geosystems, AGU and the Geochemical Society, septembre 2023, 24. <10.1029/2023GC010894>
Caurant C., Debret Baptiste, Ménez B., Nicollet Christian, Bouilhol P.. Redox heterogeneities in a subducting slab: Example from the Monviso meta-ophiolite (Western Alps, Italy). Lithos, Elsevier, 2023, 446-447. <10.1016/j.lithos.2023.107136>
Thapa Sandeep, Girault Frédéric, Deldicque Damien, Losno Rémi, France-Lanord Christian, Groppo Chiara, Rolfo Franco, Tamang Shashi, Rigaudier Thomas, Debret Baptiste, Paudyal Kabi Raj, Adhikari Lok Bijaya, Perrier Frédéric. Metric, kilometric and large-scale coherence of metamorphic conditions from graphitic phyllite in the Upper Lesser Himalaya of Nepal: Contribution to the estimation of carbon stored during Himalayan orogeny. Chemical Geology, Elsevier, 2023, 623. <10.1016/j.chemgeo.2023.121378>
Debret Baptiste, Ménez Bénédicte, Walter Bastien, Bouquerel Hélène, Bouilhol Pierre, Mattielli Nadine, Pisapia Céline, Rigaudier Thomas, Williams Helen Myfanwy. High-pressure synthesis and storage of solid organic compounds in active subduction zones. Science Advances, American Association for the Advancement of Science (AAAS), 16 septembre 2022, 8. <10.1126/sciadv.abo2397>
Dai Wei, Moynier Frédéric, Paquet Marine, Moureau Julien, Debret Baptiste, Siebert Julien, Gerard Yvan, Zhao Ye. Calcium isotope measurements using a collision cell (CC)-MC-ICP-MS. Chemical Geology, Elsevier, février 2022, 590. <10.1016/j.chemgeo.2021.120688>
Bouilhol P., Debret B., Inglis E., Warembourg M., Grocolas Thomas, Rigaudier Thomas, Villeneuve Johan, Burton K.. Decoupling of inorganic and organic carbon during slab mantle devolatilisation. Nature Communications, Nature Publishing Group, 14 janvier 2022, 13. <10.1038/s41467-022-27970-0>
Debret Baptiste, Bouilhol Pierre, Nicollet Christian, Castelltort Sebastien, Pietro Sternai. Forearc mantle wedge devolatilization during continental subduction and collision: a reappraisal of Tso Morari (Ladakh, India) serpentinite petrology. 01 novembre 2021.
Caurant Clara, Debret Baptiste, Menez Bénédicte. From Mg/Ca-carbonates to organic compounds at high pressure: the carbon journey at the Monviso meta-ophiolite. 01 novembre 2021.
Sossi Paolo A, Debret Baptiste. The Role of Redox Processes in Determining the Iron Isotope Compositions of Minerals, Melts, and Fluids. 17 septembre 2021.
France Lyderic, Lombard Maéva, Nicollet Christian, Berthod Carole, Debret Baptiste, Koepke Juergen, Ildefonse Benoit, Toussaint Aurore. Quantifying the axial magma lens dynamics at the roof of oceanic magma reservoirs (dike / gabbro transition): Oman Drilling Project GT3 site survey. Journal of Geophysical Research : Solid Earth, American Geophysical Union, 29 mars 2021, 126. <10.1029/2020JB021496>
Debret Baptiste, Garrido Carlos J, Pons Marie-Laure, Bouilhol Pierre, Inglis Edward, López Sánchez-Vizcaíno Vicente, Williams Helen. Iron and zinc stable isotope evidence for open-system high-pressure dehydration of antigorite serpentinite in subduction zones. Geochimica et Cosmochimica Acta, Elsevier, 2021, 296. <10.1016/j.gca.2020.12.001>