[Geodynamics] EGU 2022 session - Multi-disciplinary perspectives on plume-plate interactions

ARNOULD MAELIS maelis.arnould at univ-lyon1.fr
Fri Jan 7 03:15:28 AEDT 2022

** Apologies for multiple posting **

Dear all,

Yes, this is another email about an EGU2022 session, but we will keep it short!
For the second year, we will be discussing "Multidisciplinary perspectives on plume-plate interactions". Please consider joining us by submitting an abstract (by January 12th, 1pm CET!), or simply by putting the session in your calendar and joining the conversation. The session description can be found below, we hope to see many of you there!

Multi-disciplinary perspectives on plume-plate interactions
Conveners: L. Perez-Diaz, M. Arnould & M. Seton
Over fifty years since the acceptance of plate tectonic theory, the driving forces behind plate motion and plate boundary formation and evolution remain incompletely understood. In addition to plate boundary forces, mantle plumes are often invoked as a trigger for processes such as continental rifting and break-up, subduction initiation, microcontinent formation and readjustments of the world-encircling mid-ocean ridge system. Moreover, the arrival of mantle plume heads at the base of the lithosphere has been invoked as the mechanism behind abrupt, short-lived changes in plate speeds and azimuths, by means of the introduction of “plume-push” forces. However, the validity of this hypothesis has recently been put into question.

In this session, we aim to bring together researchers interested in the forces driving plate tectonics, with particular emphasis on plate-plume interactions. We welcome studies that cover a range of techniques from data-driven approaches to numerical modelling or laboratory experiments, and addressing the role of mantle plumes on both modern-style plate tectonics and lithosphere behaviour in the Archean.

We expect this session to include a diverse range of multi-disciplinary studies united by a common goal of understanding the dynamics of plate motions, mantle plumes and the plate-mantle system.

On behalf of the conveners,

Maëlis Arnould
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