Dynamics of Planetary Interiors (DIP)

Dynamics of Planetary Interiors (DIP)

Leader : Ghylaine Quitté
Deputy : Micha Bystricky

The formation and evolution of silicate bodies in the solar system are at the center of our scientific questions, from asteroids to planets and their satellites, including the Earth and the Moon. Our tools are those of physics and chemistry: thermodynamics and rheology, fluid dynamics, wave propagation and transport, geochemistry and petrology. They include experimental aspects: in laboratory at high temperature, high pressure, but also numerical with the modeling of fluid flows, mineral structure, propagation and diffusion of elastic waves in complex media. Observation is another, through the deployment of seismological sensors and permanent networks. This resolutely trans-disciplinary approach aims at crossing different points of view to take a new look at geophysical and planetary objects.

Research topics

  • Earth, Moon, Mars (InSight) Seismology 
  • Formation and evolution of solar system small bodies
  • High pressure Physics (mineralogy, rheology, elasticity) (InSight)
  • Rocks weathering (Venus, small bodies)

Team members

  • Frédéric Béjina, research scientist (CNRS)
  • Rahul Biswas, postdoctoral fellow (UPS)
  • Sébastien Benahmed, research and development engineer (UPS)
  • Caroline Bollinger, postdoctoral fellow (UPS)
  • Micha Bystricky, assistant professor (UPS)
  • Marie Calvet, assistant professor (CNAP)
  • Sébastien Fabre, associate research scientist (Jean Jaurés University)
  • Alisson Gounon, PhD student (UPS)
  • Frank Grimaud, research and development technician (UPS)
  • Grégoire Heller, PhD student (CEA-EDF)
  • Soumaya Latour, assistant professor (UPS)
  • Jean Letort, assistant professor (CNAP)
  • Ludovic Margerin, research scientist (CNRS)
  • Marc Monnereau, research scientist (CNRS)
  • Pascal Munsch, research and development engineer (CNRS)
  • Alain Pagès, research and development engineer (FSI)
  • Hélène Pauchet, research and development engineer (CNRS)
  • Ghylaine Quitté, research scientist (CNRS)
  • Matthieu Sylvander, assistant professor (CNAP)
  • Mike Toplis, research scientist (CNRS)

PhD research at DIP

  • Alisson Gounon : Modélisation expérimentale de l’initiation et la dynamique des ruptures sismiques des failles complexes
    direction : Soumaya Latour (IRAP) et Jean Letort (IRAP)
  • Grégoire Heller : Estimation de la magnitude des séismes en France à partir de la coda sismique
    direction : Ludovic Margerin (IRAP), Olivier Sèbe (CEA) et Jessie Mayor (EDF)

in collaboration

  • Andres Barajas (ISTERRE) : Surveillance sismique des variations temporelles de la croute terrestre
    direction : Michel Campillo (ISTERRE) et Ludovic Margerin (IRAP)
  • Nicolas Compaire (ISAE) sur la structure interne de Mars à partir des données InSight,
    direction Raphaël Garcia (ISAE) et Marie Calvet (IRAP)
  • Marine Laporte (CEA-Bruyère-Le-Châtel) : Caractérisation l’incertitude de la détermination de la profondeur des séismes
    direction : Laurent Bollinger (CEA) et Jean Letort (IRAP)
  • Sabrina Menina (IPGP) : Structure de l’atténuation sismique comparée Mars-Lune-Terre
    direction : Ludovic Margerin (IRAP) et Taichi Kawamura (IPGP)
  • Neil Meunier-Mili (GET) : Processus de déformation plastique dans les météorites différenciées de type achondrite
    direction : Mary-Alix Kaczmarek (GET) et Micha Bystricky (IRAP)


DIP News


InSight Mission: Mars unveiled

Using information obtained from around a dozen earthquakes detected on Mars by the Very Broad Band SEIS seismometer, developed in France, the international team of NASA’s InSight mission has unveiled […]


A simple way to make the continental crust

The earth’s continental crust is characterized by a composition strongly enriched in Si, Al and alkaline metals (a ‘felsic’ composition). But what is the origin of this crust? This question […]


A new way to understand plate tectonics: olivine glass

The separation between the rigid lithosphere and the ductile asthenosphere is a major mechanical discontinuity of the globe. This boundary is characterized by a five-order drop in viscosity generally associated […]


ExoMars discovers chlorine in the atmosphere of Mars

ExoMars’ European-Russian probe, the Trace Gas Orbiter (TGO), has been orbiting Mars since October 2016. It has been observing the atmosphere continuously since April 2018 in search of trace gases […]


Monitoring the birth of a volcano off the coast of Mayotte

Seismological analyses highlighted the stages of formation of the new submarine volcano off the coast of Mayotte and the drainage of a deep magma reservoir. The birth of a new […]


SEIS, the French seismometer on InSight, will listen to the heartbeat of Mars

On Thursday 19 April 2018, Jean-Yves Le Gall, President of CNES and Antoine Petit, President of CNRS, presented the InSight mission (INterior exploration using Seismic Investigations, Geodesy and Heat Transport), […]