DI44A:
Driving the Interior: The Role of Boundary Layers in the Dynamic Evolution of the Earth's Mantle I

Session ID#: 4307

Thursday, 18 December 2014: 4:00 PM-6:00 PM
301 (Moscone_South)
Chairs:  Keely Anne O'Farrell, University College London, London, United Kingdom and Tobias Rolf, University of Oslo, Centre for Earth Evolution and Dynamics (CEED), Oslo, Norway
Primary Convener:  Keely Anne O'Farrell, University College London, London, United Kingdom
Co-conveners:  Shijie Zhong, University of Colorado at Boulder, Department of Physics, Boulder, United States and Tobias Rolf, ETH Zurich, Centre for Earth Evolution and Dynamics, Oslo, Norway
OSPA Liaison:  Keely Anne O'Farrell, University College London, London, United Kingdom
Co-Sponsor(s):
  • GP - Geomagnetism and Paleomagnetism
  • MR - Mineral and Rock Physics
  • S - Seismology
  • T - Tectonophysics
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

5430 Interiors [PLANETARY SCIENCES: SOLID SURFACE PLANETS]
8121 Dynamics: convection currents, and mantle plumes [TECTONOPHYSICS]
8124 Earth's interior: composition and state [TECTONOPHYSICS]
8147 Planetary interiors [TECTONOPHYSICS]
Virtual Option?: No

Abstracts Submitted to this Session:

Lower Mantle Superplume Growth Stimulates Geomagnetic Reversals (12723)
Peter Olson, Johns Hopkins University, Department of Earth & Planetary Sciences, Baltimore, MD, United States and Hagay Amit, University of Nantes, Laboratory of Planetology and Geosciences, Nantes Cedex 03, France
Interaction Between Mantle Plumes, Subducted Oceanic Crust and Primordial Reservoirs at Earth’s Lowermost Mantle (Invited) (2618)
Mingming Li, Arizona State University, Tempe, United States, Allen K McNamara, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States and Edward Garnero, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States
When Boundary Layers Collide: Plumes v. Subduction Zones (Invited) (2727)
Louis Noel Moresi1, Peter G Betts2, M Meghan Miller3, David Willis4 and Leland O'Driscoll3, (1)University of Melbourne, Parkville, VIC, Australia, (2)Monash University, Clayton, Australia, (3)University of Southern California, Los Angeles, CA, United States, (4)Monash University, Melbourne, VIC, Australia
A Dynamical Context for Small-scale Heterogeneity Throughout the Mantle Beneath Subduction (20108)
Daniel Andrew Frost, Arizona State University, Tempe, United States; University of Leeds, Leeds, United Kingdom, Sebastian Rost, University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom and Edward Garnero, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States
Slab Deformation in the Mantle Transition Zone: The Effect of Plate Age and Strength Evolution (Invited) (2875)
Fanny Garel1,2, Saskia D B Goes3, Rhodri Davies4, John Huw Davies5, Stephan C Kramer2 and Cian R Wilson6, (1)CNRS & Univ. Montpellier, Géosciences Montpellier, Montpellier, France, (2)Imperial College, London, United Kingdom, (3)Imperial College London, Department of Earth Science and Engineering, London, United Kingdom, (4)Australian National University, Research School of Earth Sciences, Canberra, Australia, (5)Cardiff University, School of Earth and Ocean Sciences, Cardiff, CF24, United Kingdom, (6)Carnegie Science, Earth & Planets Laboratory, Washington, United States
Attenuation in the Upper Mantle Beneath “Normal” Old Seafloor in the Western Pacific (17694)
Donald W Forsyth, Brown Univ, Providence, United States and Dayanthie S Weeraratne, California State University Northridge, Northridge, CA, United States
Origin of Azimuthal Seismic Anisotropy in Oceanic Plates and Mantle (11125)
Thorsten W Becker1, Clinton P Conrad2, Andrew J Schaeffer3 and Sergei Lebedev3, (1)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, (2)University of Oslo, Centre for Planetary Habitability, Oslo, Norway, (3)Dublin Institute for Advanced Studies, Dublin, Ireland
Mantle Rheology and Plate Tectonics: Damage and Inheritance (Invited) (4857)
Yanick R Ricard, Univ Lyon, ENSL, UCBL, UJM, CNRS, LGL-TPE, Lyon, France, David Bercovici, Yale University, Earth & Planetary Sciences, New Haven, CT, United States and Gerald Schubert, UCLA, Los Angeles, CA, United States