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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

Belley, P. M., T. J. Dzikowski, A. Fagan, J. Cempirek, L. Groat, J. K. Mortensen, M. Fayek, G. Giuliani, A. E. Fallick, and P. Gertzbein. "Origin of scapolite-hosted saphire (corundum) near Kimmirut, Baffin Island, Nunavut, Canada." The Canadian Mineralogist 55 (2017): 669–699.
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D'Eyrames, E., E. Thomassot, Y. Kitayama, A. Golovin, A. Korsakov, and D. Ionov. "A mantle origin for sulfates in the unusual “salty” Udachnaya-East kimberlite from sulfur abundances, speciation and their relationship with groundmass carbonates." Bulletin de la Société Géologique de France (2017).
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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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Fabrega, C., D. Parcerisa, J. M. Rossell, A. Gurenko, and C. Franke. "Predicting instrumental mass fractionation (IMF) of stable isotope SIMS analyses by response surface methodology (RSM)." Journal of Analytical Atomic Spectrometry (2017).
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Feynerol, J., G. Giuliani, D. Ohnenstetter, A. E. Fallick, J. Dubessy, J. E. Martelat, A. F. M. Rakotondrazafy, E. Omito, D. Ichang'I, C. Nyamai et al. "Age and origin of the tsavorite and tanzanite mineralizing fluids in the Neoproterozoic Mozambique Metamorphic Belt." The Canadian Mineralogist 55 (2017): 763–786.
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Giuliani, G., J. Dubessy, D. Ohnenstetter, D. Banks, Y. Branquet, J. Feneyrol, A. E. Fallick, and J. E. Martelat. "The role of evaporites in the formation of gems during metamorphism of carbonate platforms: a review." Mineralium Deposita (2017).
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Giuliani, G., A. E. Fallick, A. Boyce, V. Pardieu, and Pham V.L. "Pink and red spinels in marble : Trace elements, oxygen isotopes, and sources." The Canadian Mineralogist 55 (2017): 743–761.
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Giuliani, G., I. Pignatelli, A. Fallick, A. Boyce, A. Andriamamonjy, S. Razafindratsimba, and T. Khan. "Gem andradite garnet deposits demantoid variety." Incolor, no. 36 (2017).
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Golowin, R., M. Portnyagin, K. Hoernle, F. Hauff, A. Gurenko, D. Garbe-Schönberg, R. Werner, and S. Turner. "Boninite-like intraplate magmas from Manihiki Plateau require ultra-depleted and enriched source components." Nature Communications (2017).
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Kitayama, Y., E. Thomassot, A. Galy, A. Golovin, A. Korsakov, E. D'Eyrames, N. Assayag, N. Bouden, and D. Ionov. "Co-magmatic sulfides and sulfates in the Udachnaya-East pipe (Siberia): A record of the redox state and isotopic composition of sulfur in kimberlites and their mantle sources." Chemical Geology 455 (2017): 315–330.
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Lake, D. J., L. A. Groat, H. Falck, T. Mulja, J. Cempirek, D. Kontak, D. Marshall, G. Giuliani, and M. Fayek. "Genesis of emerald-bearing quartz veins assocated with the Lened w-skarn mineralization, Northwest territories, Canada." The Canadian Mineralogist 55 (2017): 561–593.
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Le Mignot, E., L. Reisberg, A. S. André-Mayer, Y. Bourassa, A. Fontaine, and J. Miller. "Re-Os Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton." Economic Geology Geology 112 (2017): 145–168.
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Le Mignot, E., L. Siebenaller, D. Béziat, A. S. André-Mayer, L. Reisberg, S. Salvi, G. Vélasquez, C. Zimmermann, A. Naré, and G. Franceschi. "The Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry Copper Occurrence?" Economic Geology, 100th Anniversary Volume 112 (2017): 99–122.
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Martelat, J. E., J. L. Paquette, V. Bosse, G. Giuliani, P. Monié, E. Omito, C. Simonet, D. Ohnenstetter, D. Ichang'I, C. Nyamai et al. "Chronological constraints on tsavorite mineralizations and related metamorphic episodes in Southeast Kenya." The Canadian Mineralogist 55 (2017): 845–865.
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Morino, P., G. Caro, L. Reisberg, and A. Schumacher. "Chemical stratification in the post-magma ocean Earth inferred from coupled 146,147Sm–142,143Nd systematics in ultramafic rocks of the Saglek block (3.25–3.9 Ga; northern Labrador, Canada." Earth and Planetary Science Letters 463 (2017): 136–150.
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Nicolas, A., A. Meshi, F. Boudier, D. Jousselin, and B. Muceku. "Mylonites in ophiolite of Mirdita (Albania): Oceanic detachment shear zone." Geosphere 13, no. 1 (2017): 136–154.
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Pignatelli, I., G. Giuliani, C. Morlot, O. Rouer, N. Claiser, P. Y. Chatagnier, and D. Goubert. "Recent advances in understanding the similarities and differences of Colombian euclases." The Canadian Mineralogist 55 (2017): 799–820.
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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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