Méderic Amann

Docteur de l'université de Strasbourg, Géologie - Géochimie

Subject

Evolution du magmatisme et du métasomatisme dans une marge passive pauvre en magma durant l’initiation de l’accrétion océanique: Exemple de la marge fossile de la Platta (Alpes suisses) et comparaison avec le système actuel Ibérie-Terre Neuve.

Beginning and end of the thesis

October 2014 - December 2017

PhD supervisors

ULRICH Marc
AUTIN Julia
SAUTER Daniel

Collaboration

MANATSCHAL Gianreto

LEMARCHAND Damien

PELT Eric

BOIRON Marie-Christine (University of Nancy)

MUNTENER Othmar (University of Lausanne)

Research topics

 In magma-poor rifted margins, unravelling the processes of:

  • Fluid-rock interactions : rodingitization, serpentinization
  • Melt-rock interactions : subcontinental mantle inheritance in the magma sources

Scientific contribution (article)

Amann M., Ulrich M., Munoz M., Lemarchand D., Pelt E., Epin M-E., Wiedemann T., Autin J., Manatschal G., Müntener O., & Sauter D. Magmatism and metasomatism leading to rodingitization during exhumation of the subcontinental mantle: example of the Platta ocean-continent transition (SE Switzerland). (in prep., will be submitted to Lithos).


Amann M., Ulrich M., Pelt E., Epin M-E., Manatschal G., Autin J., & Sauter D. Geochemical evolution of basalts related to lithospheric breakup: the example of the Alpine Tethys ophiolites. (in prep., will be submitted to Terra Nova).


Epin M. E., Manatschal G., & Amann M. (2017). Defining diagnostic criteria to describe the role of rift inheritance in collisional orogens: the case of the Err-Platta nappes (Switzerland). Swiss Journal of Geosciences, 110(2), 419-438. DOI: 10.1007/s00015-017-0271-6.


Mortimer N., Patriat M., ... Amann M. & Schipboard participants (2016). VESPA cruise report: Volcanic Evolution of South Pacific Arcs. n/o L’Atalante, 22 May-17 June 2015. SGNC. SGNC – 2016 (02). DOI:
10.17600/15001100.

Mahjoubi M., Chauvet A., Badra L., Sizaret S., Barbanson L., El Maz A., Chen Y., & Amann M. (2016). Structural, mineralogical, and paleoflow velocity constraints on Hercynian tin mineralization: the Achmmach prospect of the Moroccan Central Massif. Mineralium Deposita, 51(3), 431-451. DOI: /10.1007/s00126-015-0613-0.

Scientific cruise

VESPA (Volcanic Evolution of South Pacific Arcs) May-June 2015 : This cruise will test specific hypothesis of the age, polarity and evolution of Cretaceous-Miocene volcanic arcs between New-Caledonia and New-Zealand by sampling (dredging) the Norfolk and Loyalty-Three Kings ridges.

 

Teaching experience

2016-2017

  • Tutorials of crystallography, mineralogy, petrography, Bachelor 2nd year and EOST school, 30 hours.
  • Tutorials of cartography, geometry of the earth, Bachelor 2nd year, 10 hours.
  • Courses of cartography, geometry of the earth, Bachelor 2nd year, 4 hours.
  • Geological material and rock cycles, EOST school, 10 hours.

2015-2016

  • Tutorials of crystallography, mineralogy, petrography, Bachelor 2nd year and EOST school, 24 hours.
  • Tutorials of cartography, geometry of the earth, Bachelor 2nd year, 10 hours.
  • Courses of cartography, geometry of the earth, Bachelor 2nd year, 4 hours.

Master students training

Zielinski J. and Mattioni N., (2017): Magmatic pulses initiating the Liguro-Piemontais ocean : geochemical variations on basalts from the Platta magma-poor margin. Co-supervisors : Ulrich M., Pelt E.

Wiedemann T., (2016) : Geochemical study of contacts between magmatic intrusions and mantle host-rock in the Tethys paleo-ocean (Platta nappe, Swiss Alps). Co-supervisors : Ulrich M., Lemarchand D., Pelt E.

Bachelor students training

Zielinski J., (2016) : Separation of clinopyroxenes by magnetic succeptibility and heavy liquors.

 

Scientific training

2015 : IODP-ECORD Summer School, MARUM - Bremen, 31 august - 11 septemer 2015 : "Ocean crust processes : magma, fault, flux and life" Oral presentation : "How to create an ocean : magmatism and structural evolutions".


Other academic related tasks

2016 : Conference at the Central Prison of Strasbourg: "Energy and geopolitics"

2015 : General teaching activity for out-of-school young people, Strasbourg.

 

Scientific affiliations

European Geosciences Union (EGU)

American Geophysical Union (AGU)