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Accueil > Documents > Pages personnelles > OLIOT Emilien

Emilien OLIOT

Equipe : Dynamique de la lithosphère
Catégorie : Enseignant Chercheur
Localisation : Bt22 401

tel : (33) 4 67 14 36 06
email : emilien.oliot@umontpellier.fr

ResearcherID ; Google Scholar ; ResearchGate



Keywords

  • Tectonic - Structural geology
  • Metamorphic petrology - Metasomatism - Thermodynamic modeling
  • Rheology - Ductile shear zones - Deformation mechanisms


Research interests

- Interplays between deformation and metamorphism in low to high-grade metamorphic rocks
- Tectonic, geodynamic and rheology of the lithosphere during orogenic cycles.
- Strain localization and multi-scale shear zones formation
- Thermodynamic modelling of phase relations in systems subjected to fluid circulations and chemical mass transfers
- Microstructures and deformation mechanisms in deformed rocks


Current personal researches and collaborations

- Shear zone formation in granitoids at eclogite facies conditions
- Structural mapping, microstructures, petrology and rheological behaviours of (U)HP metamorphic rocks
- (U)HT transformation of rocks : macro- and microscopic characterization of structural, petrographic and geochemical evolutions along granulite facies strain gradients


Tools

field mapping, mineralogical analyses, major and trace element geochemistry, thermodynamic modelling (Perple_X), electron backscattered diffraction (EBSD), quantitative textural analysis (PolyLX), mass balance calculations, CL, SEM, EPMA, U-(Th-)Pb, 40Ar/39Ar and Lu-Hf geochronology, anisotropy of magnetic susceptibility (AMS), principal component analysis (PCA).


Fieldworks

- Alpine orogenic belt : External Crystalline Massifs, Sesia zone, Suretta nappe, Tauern window, Austro-Alpine nappes, Corsica
- Variscan belt : Vosges Mountains, Maures-Tanneron massif, Bohemian massif
- Tianshan belt (north-western China)
- Eastern Tibet (central China)
- Oman ophiolite



Publications

13- Soldner J., Oliot E., Schulmann K., Štípská P., Kusbach V. and Anczkiewicz R. 2017. Metamorphic P-T-t-d evolution of (U)HP metabasites from the South Tianshan accretionary complex (NW China) – Implications for rock deformation during exhumation in a subduction channel. Gondwana Research (47), 161–187.

12- Goncalves P., Poilvet J.-C., Oliot E., Trap P. and Marquer D. 2016. How does shear zone nucleate ? An example from the Suretta nappe (Swiss Eastern Alps). Journal of Structural Geology, 86, 166–180.

11- Durand C., Oliot E., Marquer D. and Sizun J.-P. 2015. Chemical mass transfers in shear zone and metacarbonate xenoliths : Comparison of four mass balance approaches. European Journal of Mineralogy, 27(6), 731-754. doi : 10.1127/ejm/2015/0027-2475.

10- Lacroix B., Tesei T., Oliot E., Lahfid A. and Collettini C. 2015. Early weakening processes inside thrust fault. Tectonics, 34(7), 1396–1411. doi : 10.1002/2014TC003716.

9- Oliot E., Melleton J., Schneider J., Corsini M., Gardien V. and Rolland Y. 2015. Variscan crustal thickening in the Maures - Tanneron Massif (South Variscan belt, France) : new in situ monazite U-Th-Pb chemical dating of high-grade rocks. Bulletin de la Société géologique de France, 186 (2-3), 145-169.

8- Hasalová P., Schulmann K., Tabaud A.-S. and Oliot E. 2015. Microstructural evidences for mineralogical inheritance in partially molten rocks : example from Vosges Mts. Bulletin de la Société géologique de France, 186 (2-3), 131-143.

7- Schulmann K., Oliot E., Kosulicova M., Montigny R. and Štípská P. 2014. Variscan thermal overprints exemplified by U-Th-Pb monazite and K-Ar muscovite and biotite dating at the eastern margin of the Bohemian Massif (East Sudetes, Czech Republic). Journal of GEOsciences, 59 (4), 389-413.

6- Oliot E., Goncalves P., Schulmann K., Marquer D. and Lexa O. 2014. Mid-crustal shear zone formation in granitic rocks : Constraints from quantitative textural and crystallographic preferred orientations analyses. Tectonophysics, 612-613, 63-80.

5- Goncalves P., Marquer D., Oliot E. and Durand C. 2013. Thermodynamic modeling and thermobarometry of metasomatized rocks. In Metasomatism and the Chemical Transformation of Rock : The Role of Fluids in Terrestrial and Extraterrestrial Processes, D. E. Harlov and A. Austrheim (Ed.) Lecture Notes in Earth System Sciences, VI, 53-91, Springer.

4- Goncalves P., Oliot E., Marquer D. and Connolly J.A.D. 2012. Role of chemical processes on shear zone formation : an example from the Grimsel metagranodiorite (Aar massif, Central Alps). Journal of Metamorphic Geology, 30 (7), 703–722.

3- Sanchez G., Rolland Y., Schneider J., Corsini M., Oliot E., Goncalves P., Verati C., Lardeaux J.-M. and Marquer D. 2011. Dating Low-Temperature deformation by 40Ar/39Ar on white mica, insights from the Argentera-Mercantour Massif (SW Alps). Lithos, 125 (1-2), 521-536.

2- Cenki-Tok B., Oliot E., Rubatto D., Berger A., Engi M., Janots E., Thomsen T., Manzotti P., Regis D., Spandler C., Robyr M. and Goncalves P. 2011. Preservation of Permian allanite within an Alpine eclogite facies shear zone at Mt Mucrone, Italy : Mechanical and chemical behaviour of allanite during mylonitization. Lithos, 125 (1-2), 40-50.

1- Oliot E., Goncalves P. and Marquer D. 2010. Role of plagioclase and reaction softening in a metagranite shear zone at mid-crustal conditions (Gotthard Massif, Swiss Central Alps). Journal of Metamorphic Geology, 28 (8), 849-871.

Others :
Marquer D., Goncalves P., Gapais D. and Oliot E.. 2011. La déformation des granites : zones de cisaillement ductiles. Geochronique, 120, 28-31.

Peer reviews : 7. J. Geodyn., Int. J. Earth Sc., J. Struc. Geol., Tectonophysics



Communications :

- Oliot E. et al. (2014). Strain localization processes in shear zones : mass-balance calculations, phase diagrams and microstructural integrated studies. 24ème Réunion des Sciences de la Terre, Pau, France.
- Oliot E. et al. (2014). Petrological, metamorphic and microstructural characterization of the Eita shear zone and Campo-Grosina units (Austroalpine Nappes) : new constrains on crustal thinning processes. 24ème Réunion des Sciences de la Terre, Pau, France.
- Oliot E. et al. (2012). Mid-crustal shear zone formation in granitic rocks : constraints from quantitative textural and crystallographic preferred orientations analyses. EGU General Assembly, Wien, Austria.
- Oliot E. et al. (2011). Strain localization in mid-crustal granitic rocks : the important role of plagioclase combined with softening reactions and active deformation mechanisms. Penrose Conference, Deformation Localization in Rocks : New Advances
- Oliot E. et al. (2009). Influence of deformation mechanisms and metamorphic reactions during strain localization in the continental crust under lower amphibolite facies conditions : an example from the Gotthard massif (Central Alps). 17th Deformation Mechanisms, Rheology and Tectonics (DRT Conference), Liverpool, United-Kingdom.
- Oliot E. et al. (2009). Influence of deformation mechanisms and metamorphic reactions during strain localization in the continental crust under lower amphibolite facies conditions : an example from the Gotthard massif. EGU General Assembly, Wien, Austria.
- Oliot E. et al. (2008). Localisation de la déformation dans un métagranite en faciès amphibolite : exemple du massif du Gotthard. 22ème Réunion des Sciences de la Terre, Nancy, France.
- Oliot E. et al. (2007). Metamorphic evolution during strain localization in a metagranite : an example from the Gotthard massif. 5th Swiss Geoscience Meeting, Geneva, Switzerland.
- Oliot E. et al. (2007). Strain localization in a metagranite under amphibolite-facies conditions : an example from the Gotthard massif. 16th Deformation Mechanisms, Rheology and Tectonics (DRT Conference), Oropa-Milano, Italia.



Ph.D. Thesis

Strain localization in the ductile continental crust : chemical mass transfers, metamorphic reactions and deformation mechanisms (Aar and Gotthard Massifs, Swiss Central Alps). Thesis advisors : D. Marquer and P. Goncalves (UMR Chrono-environnement, University of Franche-Comté, Besançon)


Master Thesis

Characterization and chronology of the high-grade tectono-metamorphic events in the Maures Massif (French Variscan belt). Master thesis advisors : M. Corsini and Y. Rolland (UMR Géoazur, University of Nice - Sophia Antipolis)



Teaching activities

- Licence 1 : Introduction to Geology - Field Cartography (Methodology) - Nature of terrestrial envelopes - Optical microscopy - Structural geology.
- Licence 2 : Tectonic - Metamorphism - Magmatism & metamorphism - Structural geology - Optical microscopy - Structural analyses, Cartography and Field cartography.
-  Licence 3 : Tectonic - Metamorphism & Geodynamic - Metamorphic petrology - Magmatic petrology - Field geology.
- Master 1 : Interplays between deformation, metamorphism and chemical mass transfers - Structural geology (stress and strain, fold, fractures and fluid flow) - Microstructural and textural analyses of plastically deformed rocks.
- Master 2 : Metamorphic petrology and geodynamic - Thermodynamic modeling - Field geology.



Supervisions of students

  • Negre L., 2017. Cyclicité des glissements lents lors de la déformation ductile : évidences microstructurales et modélisations numériques de la rhéologie d’orthogneiss en Corse Alpine (Marine de Giottani et massif du Tende). Master thesis. Co-supervision with M. Bernaudin.
  • Allard M., 2017. Étude tectono-métamorphique et géochronologique 40Ar/39Ar des roches du Cap de Creus (Espagne). Master 1. Co-supervision with P. Monié.
  • Faucher A., 2016. Processus de nucléation et de développement de zones de déformation hétérogène et localisée dans la croûte moyenne : exemple des zones de cisaillement de la granodiorite de Roses (Espagne). Master 1.
  • Leydier T., 2016. Fluid-rocks interactions and deformation mechanisms during shear zone formation : an example from the East Tenda Shear Zone (Corsica). Master thesis. Co-supervision with F. Gueydan.
  • Goubet M., 2015. Microstructural analyses of eclogites : rheology of a Palaeozoic subduction zone. Master 1.
  • Litschgy L., 2015. Causes and consequences of crustal anatexis in partial-melted gneiss in the Vosges Mountains. Master thesis. Co-supervision with P. Hasalova.
  • Soldner J., 2014. Structural mapping, metamorphic petrology and microstructural analyses of (U)HP metamorphic rocks in the Central Tianshan (western China). Master thesis.
  • Litschgy L., 2014. Microstructural and chemical reappraisal of mineralogical inheritance in partially molten rocks : example of the granitoids in central Vosges. Master 1. Co-supervision with P. Hasalova, K. Schulmann and A.-S. Tabaud.
  • Juliani C., 2013. Caractérisation pétrométamorphique, pétrostructurale et microstructurale de la zone de cisaillement d’Eita et des unités de Campo-Grosina (Alpes centrales) : implications sur les processus d’amincissement crustal. Master Thesis.
  • Giroud M. 2013. Etude pétro-métamorphique des roches de l’unité de Grosina (Alpes centrales). Master 2 SVT.
  • Soldner J., 2013. Petrology and microstructural analyses of high-pressure rocks from the Southern Tianshan (Central Asia). Master 1.
  • Schohn A., 2013. Fluid-rock interactions in faults from Pyrenean fossil margins. Master 1. Co-supervision with V.H. Pinto and G. Manatschal.
  • Mezri L., 2012. Caractérisation pétro-métamorphique de la zone de cisaillement d’Eita (Alpes centrales), implications pour les processus d’amincissement crustal. Master Thesis. Co-supervision with G. Mohn and G. Manatschal.
  • Peillod A., 2012. Caractérisation structurale et microstructurale de la zone de cisaillement d’Eita (Alpes centrales), implications pour les processus d’amincissement crustal. Master Thesis. Co-supervision with G. Mohn and G. Manatschal.
  • Walter B. 2012. Mise en place des granites de l’ile d’Elbe en contexte extensif : apports des données structurales et pétrophysiques. Master Thesis. Co-supervision with Y. Géraud and M. Diraison.
  • Jory M., 2012. Chemical mass transfers and metamorphic reactions associated with a major discontinuity in the Variscan chain : example of the Lalaye - Lubine shear zone (Vosges). Master 1.
  • Juliani C., 2012. Electron Backscaterred Diffraction study of quartz and albite related to the development of greenschist facies shear zones : example from the Aar granitoids (Aar Massif, Central Alps, Switzerland). Master 1.
  • Mazeau A., 2012. Electron Backscaterred Diffraction study of quartz related to the development of eclogitic facies shear zone : example from the Monte Mucrone quartz-diorite (Sesia zone, Italy). Master 1.
  • Deparis P., 2012. Fluid-rock interactions and chemical mass transfers related with a faulted contact between a granite and a surrounding paragneiss (Vosges). Master 2 SVT. Co-supervision with Y. Géraud.
  • Belle P., 2008. Structural cartography, petrography and metamorphism of the Monte Mucrone area, Sesia Zone, Italia. Master 1. Co-supervision with P. Goncalves and D. Marquer.
  • Issautier B., 2006. Petrographic and thermobarometric studies of metamorphic rocks of the Maures massif, French variscides. Co-supervision with Y. Rolland and M. Corsini.