Koga Kenneth

 

Version 3

Maître de conférences, UCA-OPGC
Équipe de Pétrologie
Maître de conférences. Responsable Pétrologie
Bureau: 1.01 - LMV Cezeaux
Téléphone: 04.73.34.67.01
Courriel : ken.koga@uca.fr

  • Thèmes de Recherche :

    Spécialisée dans la géochimie expérimentale à haute température.

    • Intéressé à déterminer fractionnements géochimiques cours de genèse de magma, métamorphisme et métasomatose dans le manteau de la Terre. Mon objectif actuel est de comprendre les cycles géochimiques des éléments volatils magmatiques.
    • Equilibre géochimique et processus cinétique des interactions liquide-minéral pendant la migration des fluides au niveau des zones de subduction: étude par une approche expérimentale hautes pressions -hautes temperatures.
    • Fractionnement des isotopes légers sous conditions de hautes pressions et hautes températures en utilisant des mesures minéralogiques et empiriques.
    • Processus cinétiques géochimiques généraux associés aux Sciences de la Terre (processus de diffusion dans les diamants, dans les minéraux; réactions cinétiques dans les systèmes silicatés).
    • Observations géochimiques à l’échelle du micron et leurs relations aux cinétiques géochimiques.

    Voir un AudioSlides de une publication récente dans GCA!!

    Van den Bleeken and Koga, 2015

  • Curriculum Vitae :

    Diplômes

    2011     Habilitation à diliger recherches (HDR), Université Blaise Pascal, Clermont-Ferrand, France

    2000     Ph.D. in marine geology and geophysics, MIT/WHOI Joint Program in Oceanography, Woods Hole, MA, USA

    1993     Bachelor of Science in Geology, Rensselaer Polytechnic Institute, Troy, NY, USA

    Responsabilités scientifiques et administratives

    2016 –            Animateur de thème “Elements Volatils et Leur Roles Dans Les Processus Géodynamiques”

    2011 – 2014   Responsable de programme 3 “Volatile elements: the driving force behind volcanic activity” LABEX ClerVolc

    2011 – 2014   Responsable de l’equipe Petrologie Experimental, LMV

  • Activités d’enseignement :

    L1 Excursions de géologie régionales
    L2 Geo Minéralogie et Pétrologie de base [actuellement]

    Minéralogie descriptive et determinative [jusqu’en 2017]
    Initiation au travail de terrain (terrain) [jusqu’en 2017]
    Pétrologie magmatique et métamorphique [jusqu’en 2017]
    Physique de la Terre [jusqu’en 2017]

    L3 Geo Tectonique des plaques et synthèse géodynamique [actuellement] Fusion crustale (terrain) [jusqu’en 2017]
    M1 Geo Anglais et communication scientifique
    Magmatologie Physique et Expérimentale
    M2 Geo Terrain Alpes
    Subduction
    Physique des magmas
    Anglais et communication scientifique
  • Publications depuis 2010 :

    Rang A :
    • Dalou C., Boulon J., Koga K., Dalou R., Dennen R. (2018). DOUBLE FIT: Optimization procedure applied to lattice strain model. Computers and Geosciences doi:10.1016/j.cageo.2018.04.013.
    • Hanley J.J., Koga K. (2018). Halogens in Terrestrial and Cosmic Geochemical Systems: Abundances, Geochemical Behaviors, and Analytical Methods. The Role of Halogens in Terrestrial and Extraterrestrial Geochemical Processes, D.E. Harlov and L. Aranovich (eds.), Springer Geochemistry, doi:10.1007/978-3-319-61667-4_2.
    • Koga K., Rose-Koga E. (2018). Fluorine in the Earth and the solar system, where does it come from and can it be found? - Le fluor dans la Terre et le systèeme solaire, d'où vient-il et où peut-on le trouver ?. Comptes Rendus de l'Académie des Sciences doi:10.1016/j.crci.2018.02.002.

    • Bénard A., Koga K., Shimizu N., Kendrick M.A., Ionov D., Nebel O., Arculus R.J. (2017). Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones. Geochimica et Cosmochimica Acta vol.199, p.324-350, doi:10.1016/j.gca.2016.10.035.
    • Harris A., Belousov A., Calvari S., Delgado-Granados H., Hort M., Koga K., Tyas Wulan Mei E., Harijoko, Pacheco J., Prival J.M., Solana C., Þórðarson P., Thouret J.C., Van Wyk De Vries B. (2017). Translations of volcanological terms: cross-cultural standards for teaching, communication, and reporting. Bulletin of Volcanology vol.79, p.57, doi:10.1007/s00445-017-1141-9.
    • Rose-Koga E., Koga K., Moreira M., Vlastélic I., Jackson M.G., Whitehouse M.J., Shimizu N., Habib N. (2017). Geochemical systematics of Pb isotopes, fluorine, and sulfur in melt inclusions from São Miguel, Azores. Chemical Geology vol.458, p.22-37, doi:10.1016/j.chemgeo.2017.03.024.


    • Jackson M.G., Cabral R.A., Rose-Koga E., Koga K., Price A., Hauri E.H., Michael P. (2015). Ultra-depleted melts in olivine-hosted melt inclusions from the Ontong Java Plateau. Chemical Geology vol.414, p.124-137, doi:10.1016/j.chemgeo.2015.08.014.
    • Jackson M.G., Koga K., Price A., Konter J.G., Koppers A.A.P., Finlayson V.A., Konrad K., Hauri E.H., Kylander-Clark A., Kelley K.A., Kendrick M.A. (2015). Deeply dredged submarine HIMU glasses from the Tuvalu Islands, Polynesia: Implications for volatile budgets of recycled oceanic crust. Geochemistry, Geophysics, Geosystems vol.16, p.3210-3234, doi:10.1002/2015GC005966.
    • Van De Bleeken G., Koga K. (2015). Experimentally determined distribution of fluorine and chlorine upon hydrous slab melting, and implications for F–Cl cycling through subduction zones. Geochimica et Cosmochimica Acta vol.171, p.353-373, doi:10.1016/j.gca.2015.09.030.

    • Bennett N.R., Brenan J.M., Koga K. (2014). The solubility of platinum in silicate melt under reducing conditions: Results from experiments without metal inclusions. Geochimica et Cosmochimica Acta 133, 422-442. doi:10.1016/j.gca.2014.02.046.
    • Cabral R.A., Jackson M.G., Koga K., Rose-Koga E., Hauri E.H., Whitehouse M.J., Price A.A., Day J.M.D., Shimizu N., Kelley K.A. (2014). Volatile cycling of H 2O, CO 2, F, and Cl in the HIMU mantle: A new window provided by melt inclusions from oceanic hot spot lavas at Mangaia, Cook Islands. Geochemistry, Geophysics, Geosystems vol.15, p.4445-4467, doi:10.1002/2014GC005473.
    • Dalou C.L., Koga K., Le Voyer M., Shimizu N. (2014). Contrasting partition behavior of F and Cl during hydrous mantle melting: implications for Cl/F signature in arc magmas. Progress in Earth and Planetary Science vol.1, p.26, doi:10.1186/s40645-014-0026-1.
    • Debret B., Koga K., Nicollet C., Andreani M., Schwartz S. (2014). F, Cl and S input via serpentinite in subduction zones: implications for the nature of the fluid released at depth. Terra Nova 26, 96-101. 106p.. doi:10.1111/ter.12074.
    • Gaetani G.A., O’Leary J.A., Koga K., Hauri E.H., Rose-Koga E., Monteleone B.D. (2014). Hydration of mantle olivine under variable water and oxygen fugacity conditions. Contributions to Mineralogy and Petrology 167, 965-914. doi:10.1007/s00410-014-0965-y.
    • Koga K., Garrido C.J., Padrón-Navarta J.A. (2014). FTIR and Raman spectroscopy characterization of fluorine-bearing titanian clinohumite in antigorite serpentinite and chlorite harzburgite. Earth Planet Space 66, 60. .
    • Rose-Koga E., Koga K., Hamada M., Helouis T., Whitehouse M.J., Shimizu N. (2014). Volatile (F and Cl) concentrations in Iwate olivine-hosted melt inclusions indicating low-temperature subduction. Earth Planets Space 66, 81. doi:10.1186/1880-5981-66-81.

    • Cabral R.A., Jackson M.G., Rose-Koga E., Koga K., Whitehouse M.J., Antonelli M.A., Farquhar J., Day J.M.D., Hauri E.H. (2013). Anomalous sulphur isotopes in plume lavas reveal deep mantle storage of Archaean crust: Nature, v. 496, p. 490-494. doi:10.1038/nature12020.
    • Wu J., Koga K. (2013). Fluorine partitioning between hydrous minerals and aqueous fluid at 1 GPa and 770–947°C: A new constraint on slab flux: Geochimica et Cosmochimica Acta, v. 119, p. 77-92. doi:10.1016/j.gca.2013.05.025.

    • Dalou C., Koga K., Shimizu N., Boulon J., Devidal J.L. (2012). Experimental determination of F and Cl partitioning between lherzolite and basaltic melt. Contributions to Mineralogy and Petrology 163, 591-609. doi:10.1007/s00410-011-0688-2.
    • Martin A.M., Laporte D., Koga K., Kawamoto T., Hammouda T. (2012). Experimental Sudy of the Stability of a Dolomite + Coesite Assemblage in Contact With Peridotite: Implications for Sediment-Mantle Interaction and Diamond Formation During Subduction. Journal of Petrology vol.53, p.391-417, doi:10.1093/petrology/egr066.
    • Rose-Koga E., Koga K., Schiano P., Le Voyer M., Shimizu N., Whitehouse M.J., Clocchiatti R. (2012). Mantle source heterogeneity for South Tyrrhenian magmas revealed by Pb isotopes and halogen contents of olivine-hosted melt inclusions. Chemical Geology 334, 266-279. doi:10.1016/j.chemgeo.2012.10.033.

    • Chollet M., Daniel I., Koga K., Morard G., van der Moortèle B.J. (2011). Kinetics and mechanism of antigorite dehydration: Implications for subduction zone seismicity: Journal of Geophysical Research, v. 116, p. B04203. doi:10.1029/2010JB007739.
    • Dalou C., Koga K., Shimizu N., Boulon J., Devidal J.L. (2011). Expermintal determination of F and CI partitioning between lherzolite and basaltic melt : Contributions to Mineralogy and Petrology, v.163, p. 591-609. doi:10.1007/s00410-011-0688-2.
    • Hammouda T., Andrault D., Koga K., Katsura T., Martin A.M. (2011). Ordering in double carbonates and implications for processes at subduction zones: Contributions to Mineralogy and Petrology, v. 161, p. 439-450. doi:10.1007/s00410-010-0541-z.

    Rang B et C :
    • Koga K. (2017). Le fluor dans la Terre et le système solaire, d’où vient-il et où peut-on le trouver?. Colloque Français de Chimie du Fluor, Murol, France, 15-18 mai 2017.
    • Koga K., Rose-Koga E., Nicollet C., Bruand E. (2017). Evolution of F and Cl Relative to Lithophile Trace Elements in Oceanic Crust, from Oceanic to Subduction Metamorphisms in Western Alps. Goldschmidt conference.
    • Narvaez D., Rose-Koga E., Samaniego P., Koga K., Hidalgo S. (2017). Estudio de las Inclusiones Magmáticas contenidas en olivinos del Volcán Sangay y Puñalica para la determinación de la fuente mantélica y del agente metasomático. VIII Jornadas en Ciencias de la Tierra, Escuela Politécnica Nacional, Quito. pp. 427-432.

    • Wu J., Koga K. (2015). DF(Hbl/Flu) at Lower Crust P−T Conditions Determined by Direct Measurements on Extracted Fluids. Goldschmidt Abstracts 2015, 3457.

    • Jackson M.G., Cabral R.A., Rose-Koga E., Koga K., Price A., Hauri E.H., Michael P. (2014). An ultra-depleted mantle component in the Ontong Java Plateau revealed by major, trace and volatile element abundances in olivine-hosted melt inclusions. Fall AGU, San Francisco 15th-19th december. .
    • Koga K., Cattani F., Nicollet C., Debret B. (2014). Assessment of tracer volatile element transfer in a mafic crust of a subduction zone from alpine ophiolites. Abstract 3.7.21 at Réunion des Sciences de la Terre, Pau, France, 27-31 Oct. 2014. .
    • Koga K., Laporte D., Rose-Koga E., Cluzel N. (2014). Experimental and numerical simulations of Li isotope fractionation during H2O degassing of rhyolitic magma. AGU Fall meeting, Sacramento. .
    • Koga K., Laporte D., Rose-Koga E., Cluzel N. (2014). Experimental and numerical simulations of Li isotope fractionation during degassing of rhyolitic magma. Goldschmidt 2014, San Francisco.
    • Koga K., Rose-Koga E., Le Voyer M., Dalou C., Wu J., Debret B., Van den Bleeken G. (2014). Fluorine and Chlorine in mantle: are they useful volatile tracers? Abstract V51E-05 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec. 2014. .
    • Rose-Koga E., Koga K., Hamada M., Helouis T., Whitehouse M.J., Shimizu N. (2014). Volatile (F and Cl) concentrations in Iwate olivine-hosted melt inclusions indicating low temperature subduction. Goldschmidt Sacramento, June 6-12th. .

    • Cabral R., Jackson M., Rose-Koga E., Koga K., Whithhouse M., Antonelli M., Farquhar J., Day J., Hauri E. (2013). Mass Independently Fractionated Sulfur Isotopes in HIMU Lavas Reveal Archean Crust in their Mantle Source. in Goldschmidt conference, Mineralogical Magazine. .
    • Debret B., Koga K., Nicollet C., Andreani M., Schwartz S. (2013). Comportement du F, Cl et S dans les serpentines en subduction: exemple dans les Alpes occidentales. Journées Petrologie-Endogène, Jan. 2013, CRPG, Nancy. in Journées Petrologie-Endogène, Jan. 2013, CRPG, Nancy. .
    • Gaetani G., Bucholz C., Rose-Koga E., Shimizu N., Koga K., Monteleone B. (2013). Reading the Melt Inclusion Record of Pre-Eruptive Magmatic Volatiles. in Goldschmidt conference, Mineralogical Magazine. .
    • Jackson M., Cabral R., Rose-Koga E., Koga K., Whitehouse M., Antonelli M., Farquhar J., Day J., Hauri E. (2013). Returning from the deep: Archean atmospheric fingerprints in modern hotspot lavas. in Abstract DI13A-08 presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec. 2013. .
    • Jackson M.G., Cabral R.A., Rose-Koga E., Koga K., Whitehouse M.J., Antonelli M.A., Farquhar J., Day J.M.D., Hauri E.H. (2013). Mass independently fractionated sulfur isotopes reveal recycling of Archean lithosphere in oceanic hotspot lavas. in EGU in Vienna (April). .
    • Jackson M.G., Cabral R.A., Rose-Koga E., Koga K., Whitehouse M.J., Antonelli M.A., Farquhar J., Day J.M.D., Hauri E.H. (2013). Mass independently fractionated sulfur isotopes reveal recycling of Archean lithosphere in oceanic hotspot lavas. in Gordon Research Conference at Mt. Holyoke (June). .
    • Koga K., Rose-Koga E., Le Voyer M., Dalou C., Wu J., Van den Bleeken G., Kovalcikova K. (2013). Do fluorine and chlorine follow water and carbon dioxide fluid in magma? in IAVCEI 2013 Scientific Assembly - July 20 - 24, Kagoshima, Japan, 1W_1A-O17, 20-24 July. .
    • 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. .
    • Rose-Koga E., Koga K., Schiano P., Le Voyer M., Shimizu N., Whitehouse M. (2013). Halogen contents and Pb isotopes of olivine-hosted melt inclusions: mantle source heterogeneity for South Tyrrhenian magmas revealed. in IAVCEI 2013 Scientific Assembly - July 20 - 24, Kagoshima, Japan, 1W_1A-P26. .
    • Van den Bleeken G., Koga K. (2013). F and Cl release by hydrous melting of subducted oceanic crust. in IAVCEI 2013 Scientific Assembly - July 20 - 24, Kagoshima, Japan, 1W_1A-P30. .
    • Wu J., Koga K. (2013). Fluorine partitioning between hydrous minerals and aqueous fluid at 1 GPa and 770-947°C: A new constraint on slab flux. in IAVCEI 2013 Scientific Assembly - July 20 - 24, Kagoshima, Japan, 1W_1A-P27. .

    • Cabral R.A., Jackson M.G., Rose-Koga E., Day J.M.D., Koga K., Shimizu N., Whitehouse M., Price A. (2012). Oceanic gabbro signature in Mangaia melt inclusions. Annual V. M. Goldschmidt Conference, Mineralogical Magazine, 75, 1535, 2012. .
    • Dalou C., Koga K. (2012). Fluorine and chlorine incorporation mechanisms in nomenally halogen-free mantle minerals, In Petrology and Geochemistry. EMPG XIV - International Conference. March 4-7, 2012, Kiel, Germany. .
    • Debret B., Koga K., Nicollet C., Andreani M., Schwartz S. (2012). Quantitative assessment of subduction input of F, Cl, and S via serpentinites: Preliminary report. Eos Trans. AGU, 93, Fall Meet. Suppl., Abstract 1488067. .
    • Gaetani G.A., O'Leary J.A., Koga K., Hauri E.H., Rose-Koga E. (2012). Hydration of mantle olivine under variable water and oxygen fugacity conditions: a combined SIMS and FTIR study. Eos Trans. AGU, 93, Fall Meet. Suppl., Abstract 1497525. .
    • Van den Bleeken G., Koga K. (2012). F-Cl release by melting of subducting oceanic crust, Experimental Mineralogy, In Petrology and Geochemistry. EMPG XIV - International Conference. March 4-7, 2012, Kiel, Germany. .
    • Wu J., Koga K. (2012). Fluorine partitioning between hydrous minerals and aqueous fluid at 1 GPa and 770-947 ˚C, In Petrology and Geochemistry. EMPG XIV - International Conference. March 4-7, 2012, Kiel, Germany. .

    • Koga K., Rose-Koga E., Laporte D., Cluzel N., Shimizu N., Deloule E. (2011). Lithium-boron isotope fractionation during degassing of rhyolitic magma: Goldschmidt 2011, 14-19 August, Prague. .
    • Laporte D., Hardiagon M., Provost A., Koga K. (2011). Quantifying the behaviour of carbon dioxide during basalt ascent and degassing: Deep Carbon Observatory Workshop, IPG Paris, 15-16 juin 2011. .
    • Rose-Koga E., Koga K., Hamada M., Helouis T., Whitehouse M.J., Shimizu N. (2011). Volatile abundances and Pb isotopes in melt inclusions from Iwate volcano, Japan: Prague (Czech Republic), 14-19 August 2011. .

    • Dalou C., Koga K., Shimizu N. (2010). Experimental determination of F and Cl partitioning between lherzolite minerals and basaltic melt: an investigation of anion incorporation in minerals and melts. in Experimental Mineralogy Petrology Geochemistry XIII, Toulouse. .
    • Koga K., Rose-Koga E., Laporte D., Cluzel N. (2010). Lithium-boron depletion during degassing of rhyolitic magma. Experimental Mineralogy, Petrology and Geochemistry. EMPG XIII - International Conference. April 12-14, 2010, Toulouse, France. .
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