Publications Médard Etienne

Médard Etienne

  Associate professor (Maître de conférences), UCA
Petrology team
Research themes: Regional geologyAndean volcanismEarly Earth
Associate professor
Office: 1.08 – LMV Cézeaux
Phone: +33 473 346 745
Email: etienne.medard@uca.fr
Web: click here
  • Research topics :

    • Mantle melting and primary magmas
    • Thermobarometry of volcanic systems
    • Influence of water on phase relations
    • Magmatic differenciation of Mars
    • Siderophile elements geochemistry
    • Tools: experimental petrology (piston-cylinder, externally and internally heated pressure vessels, 1 atm furnace, centrifuge), micro-analysis (SEM, electron microprobe, Raman spectroscopy, SIMS, LA-ICP-MS, XANES), thermodynamic modelling, petrography.

     

  • Scientific and administrative duties:

    • Elected member of CNU, 35th section (11/2011 – 10/2015)
    • Undergraduate studies coordinator, Licence des Sciences de la Terre, UBP (09/2010 – 08/2014)
    • Vice-chair of the Earth Sciences Department, UBP (01/2011 – 12/2012)

     

  • Teaching:

    • Université Clermont Auvergne / Clermont Auvergne University
    • Topics: Introduction to Earth sciences – Igneous and metamorphic petrology – Mineralogy – Field geology – Microscopy
    • Level : Earth sciences majors (undergraduates and master students), Biology and Chemistry undergraduates
  • Publications since 2010 :

    International publications:
    • Manrique N., Samaniego P., Médard E., Schiavi F., Mariño J., Liorzou C. (2020). Pre-eruptive magmatic processes associated with the historical (218± 14 aBP) explosive eruption of Tutupaca volcano (southern Peru). Bulletin of Volcanology vol.82, p.6, - lien DOI.

    • Paquette J.L., Médard E., Francomme J., Bachèlery P., Hénot J.M. (2019). LA-ICP-MS U/Pb zircon timescale constraints of the Pleistocene latest magmatic activity in the Sancy stratovolcano (French Massif Central). Journal of Volcanology and Geothermal Research vol.374, p.52-61, - lien DOI.
    • Elahpour E., Nauret F., Médard E., Benbakkar M., Quéinnec G., Van Wyk De Vries B. (2019). The Petrogenesis and Geochemistry of Tabas Black Land volcanic field: implications for volcanic activity along the Nayband fault, East Iran. Volcanica vol.2, p.105-127, 2, - lien DOI.
    • Moussallam Y., Rose-Koga E., Koga K., Médard E., Bani P., Devidal J.L., Tari D. (2019). Fast ascent rate during the 2017–2018 Plinian eruption of Ambae (Aoba) volcano: a petrological investigation. Contribution to Mineralogy & Petrology - lien DOI.


    • Latutrie B., Harris A., Médard E., Gurioli L. (2017). Eruption and emplacement dynamics of a thick trachytic lava flow of the Sancy volcano (France). Bulletin of Volcanology vol.79, p.4, - lien DOI.
    • Rhety M., Harris A., Villeneuve N., Gurioli L., Médard E., Chevrel O., Bachèlery P. (2017). A comparison of cooling-limited and volume-limited flow systems: Examples from channels in the Piton de la Fournaise April 2007 lava-flow field. Geochemistry, Geophysics, Geosystems vol.18, p.3270-3291, - lien DOI.
    • Collinet M., Charlier B., Namur O., Oeser M., Médard E., Weyer S. (2017). Crystallization history of enriched shergottites from Fe and Mg isotope fractionation in olivine megacrysts. Geochimica et Cosmochimica Acta vol.207, p.277-297, - lien DOI.

    • Baasner A., Médard E., Laporte D., Hoffer G. (2016). Partial melting of garnet lherzolite with water and carbon dioxide at 3 GPa using a new melt extraction technique: implications for intraplate magmatism. Contribution to Mineralogy & Petrology vol.171, p.45, - lien DOI.
    • Druitt T., Mercier M., Florentin L., Deloule E., Cluzel N., Médard E., Cadoux A. (2016). Magma storage and extraction during plinian and interplinian periods at Santorini caldera (Greece). Journal of Petrology vol.57, p.461-494, - lien DOI.
    • Condamine P., Médard E., Devidal J.L. (2016). Experimental melting of phlogopite‑peridotite in the garnet stability field. Contribution to Mineralogy & Petrology vol.171, p.95, - lien DOI.

    • Martin A., Médard E., Devouard B., Keller L.P., Righter K., Devidal J.L., Rahman Z. (2015). Fayalite oxidation processes in Obsidian Cliffs rhyolite flow, Oregon. American Mineralogist vol.100, p.1153-1164, - lien DOI.
    • Médard E., Schmidt M.W., Wämlle M., Keller N.S., Günther D. (2015). Platinum partitioning between metal and silicate melts: Core formation, late veneer and the nanonuggets issue. Geochimica et Cosmochimica Acta vol.162, p.183-201, - lien DOI.
    • Collinet M., Médard E., Charlier B., Vander Auwera J., Grove T.L. (2015). Melting of the primitive martian mantle at 0.5–2.2 GPa and the origin of basalts and alkaline rocks on Mars. Earth and Planetary Science Letters vol.427, p.83-94, - lien DOI.

    • Condamine P., Médard E. (2014). Experimental melting of phlogopite-bearing mantle at 1 GPa: Implications for potassic magmatism. Earth and Planetary Science Letters 397, 80-92. - lien DOI.
    • Dauphas N., Roskosz M., Alp E.E., Neuville D.R., Hu M.Y., Sio C.K., Tissot F.L.H., Zhao J., Tissandier L., Médard E., Cordier C. (2014). Magma redox and structural controls on iron isotope variations in Earth’s mantle and crust. Earth and Planetary Science Letters 398, 127-140. - lien DOI.
    • Robert B., Harris A., Gurioli L., Médard E., Sehlke A., Whittington A. (2014). Textural and rheological evolution of basalt flowing down a lava channel. Bulletin of Volcanology 76, 824. - lien DOI.
    • Sehlke A., Whittington A., Robert B., Harris A., Gurioli L., Médard E. (2014). Pahoehoe to `a`a transition of Hawaiian lavas: an experimental study. Bulletin of Volcanology vol.76, p.876, - lien DOI.

    • Sorbadere F., Médard E., Laporte D., Schiano P. (2013). Experimental melting of hydrous peridotite–pyroxenite mixed sources: Constraints on the genesis of silica-undersaturated magmas beneath volcanic arcs: Earth and Planetary Science Letters, v. 384, p. 42-56. - lien DOI.

    • Hetényi G., Taisne B., Garel F., Médard E., Bosshard S., Mattsson H.B. (2012). Scales of columnar jointing in igneous rocks: field measurements and controlling factors. Bulletin of Volcanology 74, 457-482. - lien DOI.

    • Malfait W.J., Sanchez-Valle C., Ardia P., Médard E., Lerch P. (2011). Compositional dependent compressibility of dissolved water in silicate glasses: American Mineralogist, v. 96, p. 1402-1409. - lien DOI.
    Abstract and national publications:
    • Berthod C., Médard E., Bachèlery P., Gurioli L., Di Muro A., Peltier A., Komorowski J-C., Benbakkar M., Devidal J.L., Langlade J., Besson P., Boudon G., Rose-Koga E., Deplus C., Le Friant A., Bickert M., Nowak S., Thinon I., Hidalgo S., Burckel P., Jorry S., Fouquet Y., Feuillet N. (2020). The 2018-ongoing Mayotte submarine eruption: magma migration imaged by petrological monitoring. AGU Fall Meeting, 1-17 décembre 2020.
    • Médard E., Le Pennec J.L. (2020). Petrologic imaging of silicic to intermediate magma chambers through amphibole barometry. AGU Fall Meeting, 1-17 décembre 2020.
    • Berthod C., Hassen Ali T., Médard E., Di Muro A., Gurioli L., Bachèlery P., Laporte D., Peltier A., Komorowski J-C., Benbakkar M., Devidal J.L., Langlade J., Besson P., Boudon G., Rose-Koga E., Deplus C., Le Friant A., Bickert M., Nowak S., Thinon I., Burckel P., Hidalgo S., Jorry S., Fouquet Y., Feuillet N. (2020). Mantle xenoliths-bearing phonolites feeding the active volcanic ridge of Mayotte (Comoros archipelago, Mozambique Channel). AGU Fall Meeting, 1-17 décembre 2020.

    • Bachèlery P., Berthod C., Gurioli L., Di Muro A., Gauthier P.J., Sigmarsson O., Médard E., Rose-Koga E., Besson P., Chauvel C., Burckel P., Nowak S., Caron B., Devidal J.L., Benbakkar M., Hidalgo S., Boudon G., Le Friant A., Komorowski J.C., Deplus C., Feuillet N., Jorry S., Fouquet Y., Thinon I. (2019). Petrological and geochemical characterization of the lava from the 2018-2019 Mayotte eruption, and comparison with the volcanic ridge extending from Petite-Terre to about 3500m of water depth: first results. Journée Scientifique ReVoSiMa, Paris, France, 15 Octobre.
    • Rose-Koga E., Moussallam Y., Koga K., Médard E., Bani P. (2019). A Tool to Measure Ascent Rate: Volatile Element Concentration Profile in Embayment. Goldschmidt 2019, Barcelona, 13-23 august.
    • Bani P., Moussallam Y., Médard E., Rose-Koga E., Koga K., Gauthier P.J., Carn S., Aiuppa A., Coppola D., Tari D., Bani I., Benbakkar M., Voyard G., Scott B., Garaebiti E., Lardy M. (2019). Insights into the 2017-2018 Ambae Eruption. Goldschmidt, Barcelone, Espagne, 18-23 august.

    • Boivin P., Besson J.C., Briot D., Deniel C., Gourgaud A., Labazuy P., Langlois E., Larouzière F.D. de, Livet M., Merciecca C., Médard E., Mergoil J., Miallier D., Morel J.M., Thouret J.C., Vernet G. (2017). Volcanologie de la Chaîne des Puys Massif Central Français. 6e édition, bilingue. Carte 1/25 000. p.200 p., Édition Parc Naturel Régional des Volcans d'Auvergne Château de Montlosier, Randanne, 63970 Aydat..
    • Schiavi F., Bolfan-Casanova N., Médard E. (2017). Universal calibration of Raman spectroscopy for the analysis of volatiles in glasses of variable composition. EGU, Vienna.

    • Whittington A., Soldati A,, Sehlke A., Robert B., Médard E., Harris A., Gurioli L., Chigna G. (2016). Lava flow morphology as a proxy for lava flow rheology: mapping rheological transitions in basaltic lava flows. workshop on Volcano Geology in Sicily, July, 2016.
    • Marique N., Samaniego P., Médard E., Mariño J., Valderrama P., Liorzou C., Fidel L. (2016). Pre-eruptive magmatic processes associated with the historical (218 ± 14 aBP) explosive eruption of Tutupaca. Cities on Volcanoes 9 conference, Puerto Varas, Chile, 20-25 November 2016.

    • Médard E., Schmidt M.W., Martin A.M., Van Orman J.A., Wälle M., Devidal J.L., Lanzirotti A., Newville M., Günther D. (2015). Evidence for metal anions in silicate melts: implications for Pt partitioning, nanonuggets and core formation (poter). vol.46, p.Abstract #2905, Lunar and Planetary Science, The Woodlands, Planetary Institute, 16-20 mars.
    • Baratoux D., Collinet M., Médard E. (2015). A revised thermal evolution of Mars from remote-sensing chemistry and new experimental data in the 0.5-2.5 GPa pressure range (présentation orale). 26th IUGG General Assembly, Prague, June 22-July 2nd.

    • Dauphas N., Roskosz M., Alp E.E., Neuville D.R., Hu M., Sio C.K., Tissot F., Zhao J., Tissandier L., Médard E. (2014). Controls of P-T-X-fO2 on Iron Isotopic Fractionation in Igneous Rocks. Abstract V52B-01 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 December (oral). .
    • Médard E., Martin A.M., Collinet M., Righter K., Grove T.L., Newville M., Lanzirotti A. (2014). Fe3+ partitioning during basalt differentiation on Mars: insights into the oxygen fugacity of the shergottite mantle source(s). Abstract V52B-03 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 December (oral). .
    • Collinet M., Charlier B., Médard E., Vander Auwera J., Grove T.L. (2014). New experimental constraints on the origin of shergottites: super-chondritic Ca/Al in melts from a garnet-free martian mantle. Lunar and Planetary Science 45, Abstract #2776, Lunar and Planetary Institute, The Woodlands, 17-21 mars (oral). .
    • Collinet M., Médard E., Vander Auwera J., Charlier B. (2014). Alkaline primary melts from the primitive mantle of Mars. Lunar and Planetary Science 45, Abstract #2839, Lunar and Planetary Institute, The Woodlands, 17-21 mars (poster). .
    • Médard E., Collinet M. (2014). Shergottites : partial melts of a depleted martian mantle. Lunar and Planetary Science 45, Abstract #2840, Lunar and Planetary Institute, The Woodlands, 17-21 mars (poster). .
    • Manrique N., Samaniego P., Médard E., Mariño J., Valderrama P., Liorzou C. (2014). Procesos petrogenéticos y condiciones físicas pre-eruptivas responsables de la erupción reciente del volcán Tutupaca (Tacna). XVII Congreso Peruano de Geología, Resumenes extendidos. Sociedad Geológica del Perú, Lima. .
    • Collinet M., Charlier B., Namur O., Oeser M., Médard E., Vander Auwera J., Weyer S. (2014). Fe and Mg isotope fractionation in olivine from the NWA 1068 shergottite. Goldschmidt 2014, Sacramento, 8-13 juin (oral). .
    • Baasner A., Médard E., Laporte D. (2014). Partial Melting of Garnet Lherzolite with H2O and CO2 at 3 GPa: Implications for Intraplate Magmatism. Abstract DI21A-4258 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 December (poster). .

    • Roskosz M., Dauphas N., Alp E.E., Sio C.K., Tissot F.L.H., Neuville D., Hu M., Zhao J., Tissandier L., Cordier C., Médard E. (2013). Redox and pressure controls on iron isotope variations in MORB determined by NRIXS spectroscopy. in Goldschmidt 2013, Florence, 25-30 août (oral invité). .
    • Sorbadere F., Schiano P., Metrich N., Médard E., Laporte D. (2013). Constraints on the origin of silica-undersaturated arc magmas inferred from melt inclusions and experimental melting of peridotite - pyroxenite mixed source. in AGU 2013 Fall meeting, San Francisco, 9-13 December. .
    • Collinet M., Médard E., Vander Auwera J., Charlier B. (2013). Melting of a primitive martian mantle at 1-2 GPa: experimental constraints on the origin of martian magmas. in Lunar and Planetary Science 44, Abstract #2542, Lunar and Planetary Institute, The Woodlands, 18-22 mars (poster). 2013. .
    • Condamine P., Médard E., Laporte D., Nauret F. (2013). Experimental melting of phlogopite-peridotite at 1 GPa - Implications for potassic magmatism. in Goldschmit 2013, Florence. Mineralogical Magazine, 77(5), 909. .
    • Dauphas N., Roskosz M., Lin J.F., Liu J., Neuville D.R., Alp E.E., Hu M., Zhao J., Mc Cammon C.A., Okuchi T., Tomioka N., Sio C.K., Tissot F., Tissandier L., Médard E., Cordier C. (2013). Pressure control on iron isotope variations in MORBs determined by nuclear resonant vibrational spectroscopy. in Abstract MR52A-03 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 December (oral)., December. .
    • Laporte D., Koga K., Médard E., Schiano P. (2013). Observer, quantifier, modéliser les processus magmatiques et leurs produits - Un colloque en l'honneur de Pierre Boivin et Ariel Provost à Clermont-Ferrand 23 et 24 mai. .
    • Médard E., Le Pennec J.L., Francomme J., Temel A., Nauret F. (2013). Amphibole barometry in rhyolitic systems: an experimental recalibration and application to the Cappadocian ignimbrites (Turkey). in Goldschmitt conference, août 2013, Florence, Italie (oral). .
    • Roskosz M., Dauphas N., Alp E., Sio C., Bi W., Tissot F., Hu M., Bouhifd A., Médard E. (2013). Pressure control on iron isotope variations in MORBs determined by nuclear resonant vibrational spectroscopy. in Abstract MR31A-2275 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 December (oral). .
    • Martin A., Médard E., Devouard B., Keller L.P., Righter K., Devidal J.L., Rahman Z. (2013). Fayalite oxidation processes at Obsidian Cliffs, Oregon. in Goldschmidt 2013, Florence, 25-30 août (poster). .

    • Collinet M., Médard E., Devouard B., Peslier A. (2012). Constraints on the parental melts of enriched shergottites from image analysis and high pressure experiments. 43nd Lunar and Planetary Science Conference, 19-23 March 2012, The Woodlands, Texas. .
    • Dauphas N., Roskosz M., Alp E.E., Sio C.K., Tissot F.L.H., Neuville D., Hu M., Zhao J., Tissandier L., Cordier C., Médard E. (2012). Redox control on iron isotope variations in magmas determined by nuclear resonant vibrational spectroscopy. European Mineralogical Conference 2012, Frankfurt am Main, 2-6 septembre. .
    • Dauphas N., Roskosz M., Alp E.E., Sio C.K., Tissot F.L.H., Neuville D., Hu M., Zhao J., Tissandier L., Médard E. (2012). Controls on iron isotope variations in planetary magmas. Lunar and Planetary Science 43, Abstract #, Lunar and Planetary Institute, Houston (talk). .
    • Boivin P., Devouard B., Laporte D., Médard E. (2012). The Chaîne des Puys (French Massif Central) volcanic range: A textbook example of magma differentiation. lst International Congress On Management And Awareness In Protected Volcanic Landscapes. 21-25/5/2012 Olot. Spain. .
    • Collinet M., Médard E., Vander Auwera J., Charlier B. (2012). Anhydrous melting of a primitive martian mantle: new experiments at 1-2 GPa. The Mantle of Mars Workshop, Lunar and Planetary Institute, Houston, 10-12 septembre (talk). .
    • Sorbadère F., Médard E., Laporte D., Schiano P. (2012). Melting of heterogeneous hydrous mantle in arc settings: constraints on the genesis of silica-undersaturated arc magmas. Goldschmidt 2012, Montréal, 24-29 juin (talk). .
    • Condamine P., Médard E., Laporte D. (2012). Low-degree partial melting of phlogopite-lherzolite at 1 GPa: implications for potassic magmatism. EMPG XIV, Kiel, March 4-7th (poster). .
    • Dauphas N., Roskosz M., Alp E.E., Sio C.K., Tissot F.L.H., Neuville D., Hu M., Zhao J., Tissandier L., Médard E. (2012). Iron isotope geochemistry with a synchrotron light beam. Goldschmidt 2012, Montréal, 24-29 juin. .
    • Laporte D., Médard E., Devouard B., Boivin P., Condamine P., Hardiagon M., Thiéry R. (2012). Cenozoic volcanism in the french massif central: ongoing research activity on a protected volcanic area of high scientific value. lst International Congress On Management And Awareness In Protected Volcanic Landscapes. 21-25/5/2012 Olot. Spain. .
    • Médard E., Paquette J.L., Devouard B., Ricci J., Boivin P. (2012). Gem sapphires and zircons from Cenozoic volcanism of the French Massif Central. lst International Congress On Management And Awareness In Protected Volcanic Landscapes. 21-25/5/2012 Olot. Spain. .
    • Médard E., Schmidt M.W., Condamine P. (2012). Hydrous felsic magmas as primary mantle melts. EMPG XIV, Kiel, March 4-7th (poster). .

    • Huh M.C., Boyce J., Manning C.E., Médard E. (2011). Experimental determination of hydrogen partitioning in an apatite-haplobasalt andesite melt system at 1200°C and 1 GPa: Abstract V21D-2534 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec. .
    • Martin A.M., Righter K., Keller L.P., Médard E., Devouard B., Rahman Z. (2011). Fayalite oxidation processes: experimental evidence for the stability of pure ferric fayalite?: Lunar and Planetary Science XLII, Abstract #2716, Lunar and Planetary Institute, Houston (poster). .
    • Martin A.M., Righter K., Keller L.P., Médard E., Devouard B., Rahman Z. (2011). Fayalite oxidation processes: Experimental evidence for the stability of pure ferric fayalite?: 42nd Lunar and Planetary Science Conference, 7-11 March 2011, The Woodlands, Texas. LPI contribution no. 1608, p.2716. .

    • Malfait W.J., Sanchez-Valle C., Ardia P., Médard E. (2010). Compositional dependent compressibility of dissolved water in silicate glasses. EMPG XIII, Toulouse, April 11-14. .
    • Médard E., Schmidt M.W., Wälle M., Keller N.S., Günther D. (2010). HSE partitioning and core formation: solving the nanonugget issue. EMPG XIII, Toulouse, April 11-14. .
    • Médard E., Schmidt M.W., Wälle M., Keller N.S., Günther D. (2010). Pt in silicate melts: centrifuging nanonuggets to decipher core formation processes. Lunar and Planetary Science 41, Abstract #2639, Lunar and Planetary Institute, Houston. .
    • Hetényi G., Garel F., Médard E., Taisne B., Mattsson B. H., Bosshard S. (2010). Columnar jointing pattern: characterization and interpretation. EGU General Assembly, Vienne, May 2-7. .
  • Career :

    • since 2008 Associate Professor, Clermont Auvergne University, Clermont-Ferrand, France
    • 2016-2017 Visiting Scientist, Lunar and Planetary Institute, Houston TX, USA
    • 2014-2015 Visiting Scientist, Case Western Reserve University, Cleveland OH, USA
    • 2007-2008 Postdoctoral Associate, Swiss Polytechnic Institute (ETHZ), Zürich, Switzerland
    • 2004-2007 Postdoctoral Associate, Massachusetts Institute of Technology, Cambridge MA, USA
    • 2000-2004 PhD student, Blaise Pascal University, Clermont-Ferrand, France

 

Print Friendly, PDF & Email
Top