Wagner-Raffin Christiane

Equipe : Pétrologie, Géochimie, Minéralogie, Magmatisme

Professeur Émérite

UPMC - Campus Jussieu, Tour 46-00, 4e étage, Bureau 411 - Case courrier 110

Tél : 01 44 27 51 98 - christiane.wagner_raffin@upmc.fr

Thèmes de recherche

- Manteau terrestre: processus magmatiques et métasomatiques.
- Minéraux et processus biogéniques, caractérisation des environnements anciens.
- Développements méthodologiques: détermination de l’état d'oxydation des minéraux et des verres à la microsonde électronique.
- Spectrométrie Raman sur les minéraux et les verres.

Recherches actuelles

- Lithosphère continentale: Xénolithes mafiques/ultramafiques de la croute/manteau supérieur
- Etat redox et comportement du fer dans les verres
- Oxydes (hydroxydes ) de fer dans les BIFs.

Bibliographie récente

2017

- B Orberger, A Salaun, C Sthemer, S Lafont, M Rousseau, V Delarue, C Wagner. Rapid particle size and shape charcaterisation of fine grained iron ores: optimising comminution parameters. Congrès AMAM-ICAM, Bari, Italie
- B. Orberger,C. Wagner, A. Tudryn, B. Baptiste, R. Wirth, R. Morgan and S. Miska (2017). Iron (oxy)hydroxide and hematite micro-to nano- inclusions in diagenetic dolomite from a 2.4 Ga banded iron formation (Minas Gerais, Brazil). European Journal of mineralogy, 6, DOI:10.1127/ejm/2017/0029-2679.
- B. Orberger, C. Wagner, M. Fialin, O. Boudouma, S. Miska,A. Tudryn, C. Derré, G. Nabatian, M. Honarmand, I. Monsef and A. Ghods (2017). Iron-oxide mineralogy of banded iron formations in the Takab region, North Western Iran.  14^th SGA Biennal Meeting, Proceedings, V2, 809-812, Québec.
- C. Wagner Subduction-related metasomatim in French Massif Central: Evidence from secondary orthopyroxene in mantle xenoliths. Geophysical Research Abstract, V. 19, EGU2017-3214, Vienne.

2016

- B. Orberger,C. Wagner, A. Tudryn, B. Baptiste, R. Wirth, R. Morganand S. Miska (2016) HEMATITE AND GOETHITE INCLUSIONS IN LOW-GRADE DOLOMITIC BANDED IRON FORMATIONS:  PHYSICAL PARAMETER EVALUATION TO OPTIMIZE ORE BENEFICIATION, IMPC 2016 : XXVIII International Mineral Processing Congress Proceedings – ISBN :  378-1-926872-29-2, 11 pages.
- Christiane Wagner and Etienne Deloule. “Carbonates in mantle xenoliths from French Massif Central: inference for carbonatite-related metasomatism.” Geophysical Research Abstracts, EGU 2016, Vol. 18, EGU2016-6187,Vienne.
- Christiane Wagner, Beate Orberger, Alina Tudryn, Benoît Baptiste, Richard Wirth, Rachel Morgan, and Serge Miska. “Key parameters for low-grade fine-grained iron ore valorization: lower environmental impact through reduced waste.” Geophysical Research Abstracts, Vol. 18, EGU2016-1395, Vienne.

2015

- Michel Fialin and Christiane Wagner (2015) Aluminum and iron behavior in glasses from destabilized spinels: A record of fluid/melt-mineral interaction in mantle xenoliths from Massif Central, France. Special Collection: Glasses, Melts and Fluids, as tools for understanding volcanic processes and hazards, American mineralogist, Volume 100, 1411-1423.
- Michel Fialin and Christiane Wagner. Aluminum and iron behavior in glasses from destabilized spinels: A record of fluid/melt-mineral interaction in mantle xenoliths from Massif Central, France. 25th Goldschmidt Conference, Prague.
- Alina Tudryn, Christiane Wagner, Beate Orberger, Benoit Baptiste, Richard Wirth and Rachael Morgan. Iron oxyhydroxides inclusions in dolomitic banded iron formations (exemple from the Cauê Formation, Quadrilátero Ferrífero, Brazil). 25th Goldschmidt Conference, Prague.
- Christiane Wagner. Silicated and carbonated infiltrations in xenoliths from the French Massif Central. 25th Goldschmidt Conference, Prague.

2014

- Orberger, B, Wagner, C., Tudryn, A., Wirth, R., Morgan, R., Fabris, J.D., Greneche, JM.,Rosière, C. (2014):Micro- to nano-scale characterization of martite from a banded iron formation in India and in a lateritic soil in Brazil. Physics and Chemistry of minerals, 41, 651-667.

2013

- Orberger, B. Tudryn, A., Wagner, C., Wirth, R., Fabris, J.D., Greneche, JM., Morgan, R. (2013): Martitisation of hematite in banded iron formations: implications for beneficiation by magnetic separation. Proceedings, Mineral deposit Research for a high-tech world, 12th biennal SGA meeting, 2013, Proceedings, Volume 1, 283-286.

Enseignement

- Licence: Structure et comportement des minéraux; Pétrologie;
- Master: Pétrologie métamorphique
- Encadrement de stages de recherches étudiant en Licence et Master

Responsabilités

- Service de microanalyse CAMPARIS, Jussieu. Responsable du comité technique. Membre du comité de gestion.
- Service du MEB. membre du bureau technique.