[Geodynamics] EGU Fall Meeting 2023 -- GD 1.1 (EDI) -- Inter-disciplinary constraints on the dynamics underpinning intra-plate volcanism

[Rhodri Davies]

Hi all,

We would like to draw your attention to our EGU 2023 session, entitled - Inter-disciplinary constraints on the dynamics underpinning intra-plate volcanism. This session is being organised by Marthe Klocking, Juliane Dannberg, Thomas Duvernay and myself.  Further info can be found here: https://protect-au.mimecast.com/s/-323Ck81N9tn0G7MRI2TUz-?domain=meetingorganizer.copernicus.org, with the abstract appended below.

Our amazing invited speakers are:

1. Chiara Civerio (Dublin Institute for Advanced Studies).
2. Ben Mather (University of Sydney).

Please consider submitting an abstract (deadline January 10th, 2023) for what will, without doubt, be the finest session at the EGU General Assembly (23-28 April - Vienna).

Best wishes,

Rhodri (on behalf of all convenors).



Abstract:
Most of Earth's volcanism occurs at tectonic plate boundaries, in response to dynamical mechanisms that are now reasonably well understood. The rest of our planet's volcanic activity, so-called intra-plate volcanism that manifests irrespective of plate boundaries, includes volcanic fields with diverse characteristics and uncertain dynamical origin. Historically, studies have focused on voluminous lava fields and ocean-island tracks, with many of these now believed to mark the surface expression of mantle plumes. More recently, alternative driving mechanisms, such as edge-driven convection and shear-driven upwelling, have been explored to explain the generation of smaller intra-plate volcanic fields, recognising that melt generation is controlled by an interplay of temperature, pressure, flow, and source composition. Low-volume volcanic fields are common within Earth's continents, where the lithospheric structure is often complex and capable of promoting intricate interactions with the asthenospheric flow field. To further improve our comprehension of intra-plate volcanism, it is critical to determine the applicability of these dynamical mechanisms, how they vary across different geological settings, and to understand how they interact and evolve through time.
For this session, we invite contributions that further document the dynamical mechanisms underpinning intra-plate volcanism on Earth. We welcome recent advances in understanding deep-rooted mantle plumes and their magmatic expression, as well as progress in our comprehension of shallower melt-generation mechanisms such as edge-driven convection and shear-driven upwelling. We are interested in both regional- and global-scale contributions, leveraging theoretical, computational, and observational approaches across geochemistry, geology, and geophysics.
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