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Magmas and deep fluids

Animators : François Faure, David Jousselin

Permanent investigators : Pierre Barbey, Françoise Chalot-Prat, Etienne Deloule, François Faure, Lydéric France, Gaston Giuliani, Andrey Gurenko, David Jousselin, Béatrice Luais, Raphaël Pik, Laurie Reisberg, Laurent Tissandier, Emilie Thomassot

Invited researchers / visitors : Antonio Caracausi

Post-docs / ATER : Aurélien Beaumais

PhD students : Rémi Belissont, Rémi Delon, Xiaoyan Gu, Yumi Kitayama, Shaochen Liu, Gaelle Mollex

Master & undergraduate students : Claire Aupart, Robin Bonnet, Valentin Casola, Lise Deiller, Thomas Dehais, Mickael Demacon, David Madre, Adrien Mourey

former PhD students (since 2010) : Julien Amalberti (2015), Aurélia Colin (2010), Julien Feneyrol (2012), Elodie Le Mignot (2014), Sarah Medynski (2013), Marie Nicolle (2014), Benoit Welsch (2010)


Animation - Seminars


Exchanges between the deep envelopes of our planet and the surface are largely associated with the formation and movement of magma or deep fluids. The movement of these liquid phases is closely related to the internal dynamics of the Earth (plate tectonics, convection, and growth and recycling of the crust), to its differentiation, and to the creation of heterogeneities. The programme "Magma and deep fluids" is intended to contribute to the understanding and quantification of the processes involved in these exchanges, focusing on three points : the processes of magmatic evolution and their kinetics ; the modes of magma transfer between the mantle and crust ; and finally the origin, distribution, and role of deep silicate and non-silicate fluids. The approach is multidisciplinary, closely combining experimental petrology, field observation, and elemental and isotopic geochemical measurements at different scales.


Deep fluids, evolved magmatic fluids, and non-silicate magmas
Magmatic accretion
Kinetics of magmatic processes





These studies are based on the development of innovative isotopic tools that rely on the CRPG analytical facilities (ion probes, noble gas mass spectrometers, TIMS, and next-generation ICP-MS), and on the CRPG experimental petrology lab.




Magmas & deep fluids group working sites (under construction)


20 recent publications

2017

El Korh, A., B. Luais, M. C. Boiron, E. Deloule, and D. Cividini. "Investigation of Ge and Ga exchange behaviour and Ge isotopic fractionation during subduction zone metamorphism." Chemical Geology 449 (2017): 165–181.
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El Korh, A., B. Luais, E. Deloule, and D. Cividini. "Iron isotope fractionation in subduction‑related high‑pressure metabasites (Ile de Groix, France)." Contributions to Mineralogy and Petrology 172 (2017): 41.
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Erdmann, M., L. France, L. A. Fischer, E. Deloule, and J. Koepke. "Trace elements in anatectic products at the roof of mid-ocean ridge magma chambers: An experimental study." Chemical Geology 456 (2017): 43–57.
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Rouxel, O., and B. Luais. "Germanium isotope geochemistry." Reviews in Mineralogy and Geochemistry 82 (2017): 601–656.
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2016

Belissont, R., M. Munoz, M. C. Boiron, B. Luais, and O. Mathon. "Distribution and oxidation state of Ge, Cu and Fe in sphalerite by l-XRF and K-edge l-XANES: insights into Ge incorporation, partitioning and isotopic fractionation." Geochimica et Cosmochimica Acta 177 (2016): 298–314.
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2015

Fischer, T. P., C. Ramirez, R. A. Mora Amador, D. R. Hilton, J. D. Barnes, Z. D. Sharp, M. Le Brun, J. M. de Moor, P. H. Barry, E. Füri et al. "Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica." Journal of Volcanology and Geothermal Research 294 (2015): 56–70.
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Pezzali, I., L. France, G. Chazot, and R. Vannucci. "Analogues of exhumed pyroxenite layers in the Alboran domain sampled as xenoliths by Middle Atlas Cenozoic volcanism." Lithos 230 (2015): 184–188.
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Pieter Vermeesch, P., G. Balco, P. H. Blard, T. J. Dunai, F. Kober, S. Niedermann, D. L. Shuster, S. Strasky, F. M. Stuart, R. Wieler et al. "Interlaboratory comparison of cosmogenic 21 Ne in quartz." Quaternary Geochronology 26 (2015): 20–28.
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2014

André-Mayer, A. S., N. Ramiandrisoa, O. Vanderhaeghe, L. Reisberg, S. Rabeandrasana, and C. Zimmermann. "Re–Os geochronological constraints on the Dabolava mesothermal gold occurence, Madagascar: Implications for the Ikalamavony sub-domain deposition age." Journal of African Earth Sciences 94 (2014): 119–127.
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Barry, P. H., E. Füri, S. A. Halldorsson, and K. Grönvold. "Carbon isotope and abundance systematic of Icelandic geothermal gases, fluids and subglacial basalts with implications for mantle plume-related CO2 fluxes." Geochimica et Cosmochimica Acta 134 (2014): 74–99.
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Belissont, R., M. C. Boiron, B. Luais, and M. Cathelineau. "LA-ICP-MS analyses of minor and trace elements and bulk Ge isotopes in zoned Ge-rich sphalerites from the Noailhac – Saint-Salvy deposit (France): Insights into incorporation mechanisms and ore deposition processes." Geochimica et Cosmochimica Acta 126 (2014): 518–540.
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Borisova, A. Y., F. Faure, E. Deloule, M. Grégoire, F. Béjina, P. de Parseval, and J. L. Devidal. "Lead isotope signatures of Kerguelen plume-derived olivine-hosted melt inclusions: Constraints on the ocean island basalt petrogenesis." Lithos 198-199 (2014): 153–171.
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Burnard, P., L. Reisberg, and A. Colin. "An observed link between lithophile compositions and degassing of volatiles (He, Ar, CO2) in MORBs with implications for Revolatility and the mantle C/Nb ratio." Earth and Planetary Science Letters 395 (2014): 159–167.
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Callegaro, S., C. Rapaille, A. Marzoli, H. Bertrand, M. Chiaradia, L. Reisberg, G. Bellieni, L. Martins, J. Madeira, J. Mata et al. "Enriched mantle source for the Central Atlantic magmatic province: New supporting evidence from southwestern Europe." Lithos 188, no. 2 (2014): 15–32.
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Cartigny, P., M. Palot, E. Thomassot, and J. W. Harris. "Diamond formation: A stable isotope perspective." Annual Review of Earth and Planetary Science 42 (2014): 699–732.
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Decree, S., E. Deloule, T. De Putter, S. Dewaele, F. Mees, J. M. Baele, and C. Marignac. "Dating of U-rich heterogenite: New insights into U deposit genesis and U cycling in the Katanga Copperbelt." Precambrian Research 241 (2014): 17–28.
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Di Muro, A., N. Métrich, D. Vergani, M. Rosi, P. Armienti, T. Fougeroux, E. Deloule, I. Arienzo, and L. Civetta. "The Shallow Plumbing System of Piton de la FournaiseVolcano (La Re¤union Island, Indian Ocean) Revealed by the Major 2007 Caldera-Forming Eruption." Journal of Petrology 55, no. 7 (2014): 1287–1315.
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Dzikowski, T. J., J. Cempirek, L. A. Groat, G. M. Dipple, and G. Giuliani. "Origin of gem corundum in calcite marble: The Revelstoke occurrence in the Canadian Cordillera of British Columbia." Lithos 198-199 (2014): 281–297.
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Faure, F., and L. Tissandier. "Contrasted liquid lines of descent revealed by olivine-hosted melt inclusions and the external magma." Journal of Petrology 55, no. 9 (2014): 1779–1798.
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Feneyrol, J., G. Giuliani, D. Ohnenstetter, B. Rondeau, E. Fritsch, A. E. Fallick, D. Ichang'i, and E. Omito. "New typology and origin of tsavorite." Incolor 26 (2014): 28–34.
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