[Geodynamics] AGU session: DI004: Deep and Dynamic: the lower boundary layer, mantle plumes and their role in Earth’s mantle dynamics

[O'Farrell, Keely]

Dear all,

The abstract submission site for the AGU Fall Meeting (12–16 December 2016, San Francisco, USA) is open<https://fallmeeting.agu.org/2016/abstract-submissions/>! We invite you to submit an abstract to our SEDI session on boundary layers and mantle plumes. Abstract submission closes August 3rd, 11:59pm EDT.

DI004: Deep and Dynamic: the lower boundary layer, mantle plumes and their role in Earth’s mantle dynamics

Abstract:
Mantle dynamics at many scales is influenced by boundary layer processes. The bottom boundary layer controls plume generation and is dynamically linked to deep thermochemical features, such as LLSVPs and ULVZs, as well as to the outer core. Plumes rising from the bottom boundary layer sample the whole mantle and place their signature on Earth’s surface, providing insight into mixing of chemical heterogeneities and the state of the deep mantle.

This session aims to explore the structure, mechanisms and dynamics of the deep mantle boundary layer including (but not limited to) the generation of mantle plumes, interactions with deep thermochemical structures, the dynamics of the outer core, and the resultant surface observations that might provide useful constraints on this region. We welcome theoretical, experimental, and observational contributions from geodynamics, seismology, geomagnetism, mineral physics, petrology, and other disciplines.


Invited Authors:
Maureen Long
Rakib Hassan

Convenors:
Tobias Rolf (U Oslo)
Keely O’Farrell (UCL/U. Kentucky)
Scott King (Virginia Tech)
Robert Moucha (Syracuse University)



Apologies for cross postings.



Keely A. O'Farrell
Research Associate
Dept. of Earth Sciences
University College London
Email: k.ofarrell at ucl.ac.uk
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