DI003
Mantle Evolution, Dynamics, Chemistry, and the Role of the Transition Zone I

Monday, 7 December 2020: 17:30-18:30
Virtual
Primary Convener:  Diogo José Louro Lourenço, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States
Conveners:  Kiran Chotalia, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany and Lauren Waszek, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia; New Mexico State University Main Campus, Las Cruces, NM, United States
Primary Liaison:  Diogo José Louro Lourenço, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States
Chairs:  Diogo José Louro Lourenço, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, Kiran Chotalia, University College London, London, United Kingdom, Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany and Lauren Waszek, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom
OSPA Liaison:  Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany
17:30
DI003-01
Decoupled He-W isotope systematics in the East African Rift System (Invited) (668048)
Andrea Mundl-Petermeier, University of Vienna, Department of Lithospheric Research, Vienna, Austria, Saemundur A Halldorsson, University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland, Paterno Castillo, UCSD-SIO, La Jolla, CA, United States, Richard J Walker, University of Maryland College Park, Department of Geology, College Park, MD, United States, Lukáš Ackerman, Academy of Sciences of the Czech Republic, Institute of Geology, Prague, Czech Republic, Nathalie Tepe, Centre for Microbiology and Environmental Systems Science, Department of Environmental Geoscience, Vienna, Austria and Christian Koeberl, University of Vienna, Vienna, Austria
17:34
DI003-02
K-Ar in the context of whole mantle convection (681826)
Jonathan Tucker and Peter E van Keken, Carnegie Institution for Science, Earth and Planets Laboratory, Washington, DC, United States
17:38
DI003-03
Revisiting the Effect of Phase Transitions on Layering of Mantle Convection (751349)
Juliane Dannberg, University of Florida, Department of Geological Sciences, Gainesville, FL, United States, Rene Gassmoeller, University of Florida, Department of Geological Sciences, Gainesville, United States, Carolina R Lithgow-Bertelloni, University of California Los Angeles, Los Angeles, CA, United States and Lars P Stixrude, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
17:42
DI003-04
X Marks the Spot: Seismic Signals of Silica and Hidden Hawaiian Heterogeneities (Invited) (680232)
Matthew Kemp1, Stephen Pugh2, Jennifer Jenkins2, John Maclennan2 and Sanne Cottaar2, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom
17:46
DI003-05
Origin of Low-Velocity Zones in the Bottom Mantle Transition Zone (774301)
Wei Wei1, Zhu Mao1, Ningyu Sun1, Daoyuan Sun1 and Sergey N Tkachev2, (1)University of Science and Technology of China, Hefei, China, (2)University of Chicago, Center for Advanced Radiation Sources, Chicago, IL, United States
17:50
DI003-06
Spatial Distribution of Deep Earthquakes Tied to Strain-rate Variations in Slabs (Invited) (684432)
Magali I Billen, UC Davis, Davis, CA, United States, Rebecca A Fildes, University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States and Marcel Thielmann, Universität Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany
17:54
DI003-07
Is the Earth’s transition zone deforming like the upper mantle? (719202)
Sebastian Ritterbex, Ehime University, Matsuyama, Japan, Philippe Carrez, University of Lille 1, Villeneuve d'Ascq, France and Patrick Cordier, University of Lille, Villeneuve d'Ascq, France
17:58
DI003-08
The 3D Reference Earth Model Project: Reconciled Data, Full-spectrum Tomography and Community Tools (Invited) (738129)
Pritwiraj Moulik, University of Maryland College Park, Department of Geology, College Park, MD, United States, Vedran Lekic, University of Maryland, Department of Geology, College Park, MD, United States and Barbara A Romanowicz, Univ California Berkeley, Berkeley, CA, United States
18:02
Discussion
See more of: Study of Earth's Deep Interior
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