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Béatrice

LUAIS

Profile

Chargée de recherche CNRS

Tel : (33) 3 83 59 42 24 ; Fax : (33) 3 83 51 17 98

e-mail Béatrice Luais


Recherche/Research interests

  • Plasma source mass spectrometry (Isoprobe-GV Instruments ; Neptune Plus, ThermoScientific) : analytical developments of Ge, Fe and Hf isotopic measurements
  • Cosmochemistry : processes of core formation ; isotopic variations of Ge in meteorites ; experimental fractionation of Fe, Ge isotopes with fO2 at high temperature between metal and silicate phases
  • The Early Archaean : environments of early life by tracing Fe and Ge isotopic variations
  • Chemical and isotopic variations during fluid-rock interaction
  • Isotopic tracing of ore deposits

CV

  • 1986 : PhD in Petrology-Geochemistry (University of Montpellier II) Thesis title : Pétrologie et Géochimie (Elements Traces et rapports isotopiques du Sr) du magmatisme associé aux zones de subduction : exemples du Bassin Méditerranéen (Santorin, Arc Egéen ; Stromboli, Arc Eolien) et des Iles de la Sonde (Mérapi, Java)
  • November 1988 - February 1989 : Visitor position at the Open University, UK (Prof C.J. Hawkesworth).
  • February 1989 - Juillet 1991 : Post-Doctoral research position at the Departement of Earth Sciences, Open University, UK (Prof C.J. Hawkesworth). EEC financial support. Genesis of continental crust during the Archaean : study from trace element modeling of 3.5-2.9 Ga granitoids of South Zimbabwe
  • 1991-1999 : CNRS position at the Ecole Normale Supérieure de Lyon (France)
  • 1999 - present : CNRS researcher at CRPG Nancy (France)

Publications

Publications CRPG

2017

El Korh, A., Luais, B., Boiron, M. C., Deloule, E., & Cividini, D. (2017). Investigation of Ge and Ga exchange behaviour and Ge isotopic fractionation during subduction zone metamorphism. Chemical Geology, 449, 165–181.
Rouxel, O., & Luais, B. (2017). Germanium isotope geochemistry. Reviews in Mineralogy and Geochemistry, 82, 601–656.

2016

Belissont, R., Munoz, M., Boiron, M. C., Luais, B., & Mathon, O. (2016). 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, 298–314.
Fritz, J., Tagle, R., Ashworth, L., Schmitt, R. T., Hofmann, A., Luais, B., et al. (2016). Nondestructive spectroscopic and petrochemical investigations of Paleoarchean spherule layers from the ICDP drill core BARB5, Barberton Mountain Land, South Africa. Meteoritics & Planetary Science, 51(12), 2441–2458.

2014

Belissont, R., Boiron, M. C., Luais, B., & Cathelineau, M. (2014). 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, 518–540.
Liu, P. P., Zhou, M. F., Luais, B., Cividini, D., & Rollion-Bard, C. (2014). Disequilibrium iron isotopic fractionation during the high-temperature magmatic differentiation of the Baima Fe–Ti oxide-bearing mafic intrusion, SW China. Earth and Planetary Science Letters, 399, 21–29.

2012

Escoube, R., Rouxel, O., Luais, B., Ponzevera, E., & Donard, O. F. X. (2012). An intercomparison study of the germanium isotope composition of geological reference materials. Geostandards and Geoanalytical Research, 36(2), 149–159.
Luais, B. (2012). Germanium chemistry and MC-ICPMS isotopic measurements of Fe–Ni, Zn alloys and silicate matrices: Insights into deep Earth processes. Chemical Geology, 334, 295–311.

2011

Marin-Carbonne, J., Rollion-Bard, C., & Luais, B. (2011). In-situ measurements of iron isotopes by SIMS: MC-ICP-MS intercalibration and application to a magnetite crystal from the Gunflint chert. Chemical Geology, 285, 50–61.
Martin, C., Brunet, F., Duchêne, S., Luais, B., & Deloule, E. (2011). REE and Hf distribution between pyrope and NaCl-bearing water at eclogitic-facies conditions. European Journal of Mineralogy, 23, 343–353.
Pack, A., Vogel, I., Rollion-Bard, C., Luais, B., & Palme, H. (2011). Silicon in iron meteorite metal. Meteoritics & Planetary Science, 46(10), 1470–1483.

2010

Martin, C., Duchene, S., Luais, B., Goncalves, P., Deloule, E., & Fournier, C. (2010). Behavior of trace elements in relation to Lu-Hf and Sm-Nd geochronometers during metamorphic dehydration-hydration in the HP domain of VAyenrdalsneset, Western Gneiss Region, Norway. Contributions to Mineralogy and Petrology, 159(4), 437–458.

2009

Luais, B., Le Carlier de Veslud, C., Géraud, Y., & Gauthier-Lafaye, F. (2009). Comparative behavior of Sr, Nd and Hf isotopic systems during fluid-related deformation at middle crust levels. Geochimica et Cosmochimica Acta, 73, 2961–2977.

2007

Luais, B. (2007). Isotopic fractionation of germanium in iron meteorites: Significance for nebular condensation, core formation and impact processes. Earth and Planetary Science Letters, 262(1-2), 21–36.

2006

Roskosz, M., Luais, B., Watson, H. C., Toplis, M., Alexander, C., & Mysen, B. O. (2006). Experimental quantification of the fractionation of Fe isotopes during metal segregation from a silicate melt. Earth and Planetary Science Letters, 248(3-4), 851–867.

2005

Chazot, G., Charpentier, S., Kornprost, J., Vanucci, R., & Luais, B. (2005). Lithospheric mantle evolution during continental break-up: the West Iberia non volcanic passive margin. Journal of Petrology, 46(12), 2527–2568.
Meyzen, C., Ludden, J., Humler, E., Luais, B., Toplis, M., Mével, C., et al. (2005). New insights into the origin and distribution of the DUPAL isotope anomaly in the Indian Ocean mantle from MORB of the Southwest Indian Ridge. Geochemistry Geophysics Geosystems G3, 6(11), 1–34.

2004

Luais, B. (2004). Temporal changes in Nd isotopic composition of Piton de la Fournaise magmatism (Réunion Island, Indian Ocean). Geochemistry, Geophysics, Geosystems G3, 5, Q01008.

2002

Luais, B., & Hawkesworth, C. J. (2002). Pb isotope variations in the Archean and possible links to the sources of certain Mesozoic-Recent basalts. From CMR. In G. J. E. &. H. C. J. Fowler (Ed.), The early Earth: physical, chemical and biological development (Vol. 199, pp. 105–124). Geological Society of London Special Publications.

2001

De Sigoyer, J., Chavagnac, V., Blichert-Toft, J., Villa, I. M., Luais, B., Guillot, S., et al. (2001). Dating Indian continental subduction and collisional thickening in NW Himalaya: Multichronometry of the Tso Morari eclogites: Reply. Geology, 29(2), 192.
Luais, B., Duchêne, S., & De Sigoyer, J. (2001). Sm-Nd disequilibrium in high-pressure low Temperature Himalayan and Alpine rocks. Tectonophysics Special issue “Exhumation of high-pressure rocks: kinetic, thermal and mechanical constraints ”, 342(1-2), 1–22.

2000

De Sigoyer, J., Chavagnac, V., Blichert-Toft, J., Villa, I. M., Luais, B., Guillot, S., et al. (2000). Dating Indian continental subduction and collisional thickening in northwest Himalaya : multichronology of the Tso Morari eclogites. Geology, 28(6), 487–490.

(non spécifié)

Rouxel, O., & Luais, B. The isotope geochemistry of germanium. Reviews in Mineralogy and Geochemistry, .

Autres publications / Other Publications

1997

Albarède, F., Luais, B., Fitton, G., Semet, M., Kaminski, E., Upton, B. G. J., et al. (1997). The geochemical regimes of Piton de la Fournaise volcano (Reunion) during the last 530,000 years. Journal of Petrology, 38(2), 171–201.

Duchêne, S., BlichertToft, J., Luais, B., Telouk, P., Lardeaux, J. M., & Albarède, F. (1997). The Lu-Hf dating of garnets and the ages of the Alpine high-pressure metamorphism. Nature, 387(6633), 586–589.

Luais, B., Telouk, P., & Albarède, F. (1997). Precise and accurate neodymium isotopic measurements by plasma-source mass spectrometry. Geochimica et Cosmochimica Acta, 61(22), 4847–4854.

1994

Luais, B., & Hawkesworth, C. J. (1994). The generation of continental-crust – an integrated study of crust-forming processes in the Archean of Zimbabwe. Journal of Petrology, 35(1), 43–93.

1989

Luais, B. (1989). Mantle Mixing and Crustal Contamination as the Origin of the High-Sr Radiogenic Magmatism of Stromboli (Aeolian Arc) – Reply to a Comment by Ellam,R.M. And Rogers,N.W. Earth and Planetary Science Letters, 95(3-4), 411–416.

1988

Luais, B. (1988). Mantle Mixing and Crustal Contamination as the Origin of the High-Sr Radiogenic Magmatism of Stromboli (Aeolian Arc). Earth and Planetary Science Letters, 88(1-2), 93–106.

1987

Luais, B. (1987). Immiscibilité entre liquides silicatés dans les mésostases et inclusions vitreuses des andésites basiques de Santorin, Arc Egéen. Bulletin de MInéralogie, 110(1), 93–109.

1983

Dautria, J. M., Girod, M., & Luais, B. (1983). Mise en évidence de dépôts hydrovolcaniques dans le cycle ancien du Stomboli. Comptes Rendus de l’Académie des Sciences – Series IIA – Earth and Planetary Science, 297, 373–378.

Enseignement / Teaching

  • Thesis supervision
    • Céline Martin : Mobilité des REE, de l’hafnium et signification des âges Lu-Hf en domaine métamorphique (E. Deloule and S. Duchêne, co-directors)
    • Rémi Belissont : Cycle du Germanium et métaux stratégiques associés dans les concentrations métalliques : traçage élémentaire, isotopique, et approche expérimentale (M. Cathelineau and M-C. Boiron, director and co-director)
    • Guillaume Florin :
  • Post-doc supervision
    • Afifé El Korh : PhD Université de Genève
      - "Li, B and Ge distribution and isotope fractionation in metamorphic rocks : implication for fluid-rock interactions signatures in convergent margin settings"
    • Rémi Belissont : PhD Université de Lorraine
      - ""
  • Teaching
    - Cours Master 2, parcours "Terre et Planètes" Université de Lorraine - Ecole Nationale Supérieure de Géologie Nancy - Université Nantes
  • U.E. "Exploration cosmochimique du Système Solaire" : "Les météorites de Fer"
  • U.E. "Altération, climat et grands cycles géochimiques externes" : Environnements de la Terre Primitive et mise en place des premiers cycles bio-géochimiques.
  • U.E. "RM6 - Ressources minérales " : Traçage isotopique et datations

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