Bleuenn GUÉGUEN

Ingénieure de recherche - Coordinatrice technique du PSO

CNRS

Affectation

UMS 3113

Pôles et plateformes – Pôle de Spectrométrie Océan (PSO).

Responsable analyses ICP-MS à l’IUEM.

Contact

bleuenn.gueguen@univ-brest.fr

02 98 49 87 61

Liens

Liste des publications:

Profil Google Scholar.

Sorensen, J. V., Gueguen, B., Stewart, B. D., Pena, J., Rouxel, O., Toner, B. M., 2020. Large nickel isotope fractionation caused by surface complexation reactions with hexagonal birnessite. Chemical Geology, 537: 119481.
Auerbach Colwyn, D., Sheldon, N. D., Maynard, J. B., Gaines, R., Hofmann, A., Wang X., Gueguen, B., Asael D., Reinhard, C. T., Planavsky, N. J., 2019. A paleosol record of the evolution of Cr redox cycling and evidence for an increase in atmospheric oxygen during the Neoproterozoic. Geobiology, 17(6): 579-593.
Brugier, Y.-A., Barrat, J.-A., Gueguen, B., Agranier, A., Yamaguchi, A., Bischoff, A., 2019. Zinc isotopic variations in ureilites. Geochimica et Cosmochimica Acta, 246: 450-460.
Mahan, B., Moynier, F., Siebert, J., Gueguen, B., Agranier, A., Pringle, E. A., Bollard, J., Connelly, J. N., Bizzarro, M., 2018. Volatile element evolution of chondrules through time. Proceedings of the National Academy of Sciences, 115 (34): 8547-8552.
Bouvier, L. C., Costa, M. M., Connelly, J. N., Jensen, N. K., Wielandt, D., Storey, M., Nemchin, A. A., Whitehouse, M. J., Snape, J. F., Bellucci, J. J., Moynier, F., Agranier, A., Gueguen, B., Schönbächler, Maria, Bizzarro, M., 2018. Evidence for extremely rapid magma ocean crystallization and crust formation on Mars. Nature, 558 (7711): 586-589.
Isson T. T., Love G. D., Dupont C. L., Reinhard C. T., Zumberge A. J., Asael D., Gueguen B., McCrow J., Gill B. C., Owens J., Rainbird R.H., Rooney A. D., Zhao M‐Y, Stueeken E. E., Konhauser K. O., John S. G., Lyons T. W., Planavsky N. J., 2018. Tracking the rise of eukaryotes to ecological dominance with zinc isotopes. Geobiology, 16 (4): 341-352.
Gueguen, B., Sorensen, J. V., Lalonde, S., Pena, J., Toner, B. M., Rouxel, O., 2018. Variable Ni isotope fractionation between Fe-oxyhydroxides and implications for the use of Ni isotopes as geochemical tracers. Chemical Geology, 481: 38-52.
Dekov, V.M., Garbe-Schönberg, D., Kamenov, G. D., Gueguen, B., Bayon, G., Bindi, L., Asael, D., Fouquet, Y., 2018. Redox changes in a seafloor hydrothermal system recorded in hematite-chalcopyrite chimneys. Chemical Geology, 483: 351-371.
Bauer, K. W., Gueguen, B., Cole, D. B., François, R ;, Kallmeyer, J., Planavsky, N. J., Crowe, S. A., 2018. Chromium isotope fractionation in ferruginous sediments. Geochimica et Cosmochimica Acta, 223: 198-215.
S. Hood, A., Planavsky, N. J., Wallace, M. W., Wang, X., Bellefroid, E. J., Gueguen, B., Cole, D. B., 2016. Integrated geochemical-petrographic insights from component-selective δ238U of Cryogenian marine carbonates. Geology, 44 (11): 935-938.
Cole, D. B., Reinhard, C. T., Wang, X., Gueguen, B., Halverson, G. P., Gibson, T., Hodgskiss, M. S.W., McKenzie, N. R., Lyons, T. W. Planavsky, N. J., 2016. A shale-hosted Cr isotope record of low atmospheric oxygen during the Proterozoic. Geology, G37787-1.
Gueguen, B., Rouxel, O., Rouget, M.L., Bollinger, C., Ponzevera, E., Germain, Y., and Fouquet, Y., 2016. Comparative geochemistry of four ferromanganese crusts from the Pacific Ocean and significance for the use of Ni isotopes as paleoceanographic tracers. Geochimica et Cosmochimica Acta, 189: 214-235.
Gueguen, B., Reinhard, C.T., Algeo, T., Peterson, L., Nielsen, S., Wang, X., and Planavsky, N.J., 2016. The chromium isotope composition of reducing and oxic marine sediments. Geochimica et Cosmochimica Acta, 184: 1-19.
Marcus, M. A., Edwards, K. J., Gueguen, B., Fakra, S. C., Horn, G., Jelinski, N. A., Rouxel, O., Sorensen, J., Toner, B. M., 2015. Iron mineral structure, reactivity, and isotopic composition in a South Pacific Gyre ferromanganese nodule over 4 Ma. Geochimica et Cosmochimica Acta,171 (1): 61-79.
Gueguen, B., Rouxel, O., Ponzevera, E., Bekker, A., Fouquet, Y., 2013. Nickel Isotope Variations in Terrestrial Silicate Rocks and Geological Reference Materials Measured by MC-ICP-MS. Geostandards and Geoanalytical Research, 37 (3): 297-317.
Hofmann, A., Bekker, A., Dirks, P., Gueguen, B., Rumble, D., Rouxel, O., 2013. Comparing orthomagmatic and hydrothermal mineralization models for komatiite-hosted nickel deposits in Zimbabwe using multiple-sulfur, iron, and nickel isotope data. Mineralium Deposita, 49 (1): 75-100.