DI23A:
Mantle Flow: Constraints from Mineral Physics, Seismology, and Modeling Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Hauke Marquardt, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany and Lowell M Miyagi, University of Utah, Salt Lake City, UT, United States
Primary Conveners:  Hauke Marquardt, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany
Co-conveners:  Lowell M Miyagi, University of Utah, Salt Lake City, UT, United States and Andy Nowacki, University of Bristol, Bristol, BS8, United Kingdom
OSPA Liaisons:  Hauke Marquardt, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany

Abstracts Submitted to this Session:

 
In Situ Monitoring of Microstructures during Subsequent Phase Transitions in the Olivine System up to 30 GPa and 1100 K Using 3D-XRD Single-Grain Analysis. Effects of Grain Size Evolution on the Stagnation of Slab.
Angelika Dorothea Rosa1, Nadege Hilairet1, Sujoy Ghosh2, Jeroen Jacobs3, Jean-Philippe Perrillat4, Gavin B.M, Vaughan3, Gaston Garbarino3, Nohamed Mezouar3 and Sebastien Merkel5, (1)University of Lille 1, Villeneuve d'Ascq, France, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)ESRF European Synchrotron Radiation Facility, Grenoble, France, (4)Laboratoire de Geologie, Villeurbanne, France, (5)Université de Lille, Villeneuve d'Ascq, France
 
Melt Connectivity and Its Effect on Grain Growth in Natural Olivine Aggregates: An Experimental Study
Leila Hashim1, David Sifre1, Jacques Précigout1, Emmanuel Gardés2, Emmanuel Le Trong1 and Fabrice Gaillard1, (1)ISTO Institut des Sciences de la Terre d'Orléans, Orléans Cedex 2, France, (2)Commissariat à l’Énergie Atomique-CNRS-Ganil, Caen, France
 
Viscoplastic Modeling of MgSiO3 Perovskite and Periclase Aggregates
Eloisa Zepeda-Alarcon1, Ricardo Lebensohn2, Pamela M Kaercher1 and Hans-Rudolf Wenk3, (1)University of California Berkeley, Berkeley, CA, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States, (3)Univ California Berkeley, Berkeley, CA, United States
 
Modeling Creep in the Lower Mantle: Insights from the Atomic Scale
Pierre Hirel, Philippe Carrez and Patrick Cordier, University of Lille 1, Villeneuve d'Ascq, France
 
Sound Velocities and Equations of State for Lower Mantle Phases: Implications for Deep Mantle Structures
Jennifer M Jackson1, Aaron S Wolf1,2, June K Wicks1,3, Natalia V Solomatova1, Daniel J Bower1, Daoyuan Sun4, Wolfgang Sturhahn1, Przemyslaw Dera5,6 and Vitali Prakapenka5, (1)California Institute of Technology, Pasadena, CA, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Princeton University, Princeton, NJ, United States, (4)University of Science and Technology of China, Hefei, China, (5)University of Chicago, GeoSoilEnviroCARS, Chicago, IL, United States, (6)University of Hawai'i at Manoa, Hawai'i Institute of Geophysics and Planetology, Honolulu, HI, United States
 
Grain size evolution in the mantle and its effect on geodynamics and seismic observables
Robert Myhill1, Juliane Dannberg2, Zach Eilon3, Rene Gassmoeller2, Pritwiraj Moulik3, Ulrich Faul4 and Paul D Asimow5, (1)Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany, (2)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (4)Massachusetts Institute of Technology, Cambridge, MA, United States, (5)California Institute of Technology, Pasadena, CA, United States
 
Constraining Mantle Heterogeneities with Joint Inversions of Seismic, Geodynamic, and Mineral Physics Data
Chang Lu1, Stephen P Grand1, Alessandro M Forte2 and Nathan A Simmons3, (1)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, (2)Université du Québec à Montréal, GEOTOP, Montreal, QC, Canada, (3)Lawrence Livermore National Laboratory, Atmospheric, Earth and Energy Division, Livermore, CA, United States
 
Modeling Mantle Heterogeneity Development in Earth’s Mantle Using Multidisciplinary Approaches
Susini M S de Silva1, Valerie Finlayson2, Tingting Gu3, Mingming Li4, Carolina R Lithgow-Bertelloni5 and Vernon F Cormier1, (1)Univ Connecticut, Storrs, CT, United States, (2)University of Hawaii at Manoa, Department of Geology and Geophysics, Honolulu, HI, United States, (3)Yale University, New Haven, CT, United States, (4)Arizona State University, Tempe, AZ, United States, (5)University College London, London, United Kingdom
 
Multi-scale Seismic Waveform Tomography and the Evolution of Oceanic Lithosphere
Ludwig Auer1, Lapo Boschi2,3, Thorsten W Becker4, Martin van Driel1, Simon C. Stähler5,6, Tarje Nissen-Meyer7 and Karin Sigloch7, (1)ETH Zurich, Department of Earth Sciences, Zurich, Switzerland, (2)Sorbonne Universités, UPMC Univ Paris 06, UMR 7193, ISTeP, F-75005, Paris, France, (3)CNRS, UMR 7193, ISTeP, F-75005, Paris, France, (4)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, (5)Leibniz Institute for Baltic Sea Research, Physical Oceanography, Rostock, Germany, (6)Ludwig Maximilian University of Munich, Department of Earth and Environmental Sciences, Munich, Germany, (7)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom
 
Strong Seismic Scatterers Near the Core-Mantle Boundary North of Pacific Anomaly From PKP Precursors Recorded by Antarctica Arrays
Xinlei Sun1, Xiaolong Ma1, Doulgas A Wiens2, Lianxing Wen3, Andrew Nyblade4, Sridhar Anandakrishnan5, Richard C Aster6, Audrey D Huerta7 and Terry J Wilson8, (1)GIG Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, State Key Laboratory of Isotope Geochemistry, Guangzhou, China, (2)Washington University in St Louis, Department of Earth and Planetary Sciences, St. Louis, MO, United States, (3)Stony Brook University, Stony Brook, NY, United States, (4)Penn St Univ, University Park, PA, United States, (5)Pennsylvania State University Main Campus, University Park, PA, United States, (6)Colorado State University, Geosciences Department, Fort Collins, CO, United States, (7)Central Washington University, Ellensburg, WA, United States, (8)Ohio State Univ, Department of Geological Sciences, Columbus, OH, United States
 
The Role of Post-Perovskite in Explaining Observations of Seismic Anisotropy
Sanne Cottaar1, Mingming Li2, Allen K McNamara2, Barbara A Romanowicz3,4 and Hans-Rudolf Wenk3, (1)University of Cambridge, Cambridge, United Kingdom, (2)Arizona State University, Tempe, AZ, United States, (3)University of California Berkeley, Berkeley, CA, United States, (4)Institut de Physique du Globe de Paris, Collège de France, Paris, France
 
Anisotropy in the lowermost mantle beneath the circum-Pacific: observations and modelling
Jack Walpole1, James M Wookey2, Andy Nowacki2, Andrew Walker1, J Michael Kendall2, Guy Masters3 and Alessandro M Forte4, (1)University of Bristol, Bristol, United Kingdom, (2)University of Bristol, Bristol, BS8, United Kingdom, (3)University of California San Diego, La Jolla, CA, United States, (4)University of Quebec at Montreal UQAM, Montreal, QC, Canada
 
A Uniform Shear-Wave Splitting Database for Africa and Arabia
Ahmed A Elsheikh, Stephen S Gao and Kelly Hong Liu, Missouri University of Science and Technology, Rolla, MO, United States
 
What Does the Mantle Remember of Its Convection History?
Suzanne Atkins1, Paul J Tackley2, Andrew P Valentine1 and Jeannot Trampert1, (1)Utrecht University, Utrecht, 3584, Netherlands, (2)ETH Zurich, Zurich, Switzerland
 
Joint Analysis of GOCE Gravity Gradients Data with Seismological and Geodynamic Observations to Infer Mantle Properties
Marianne Greff-Lefftz1, Laurent Metivier2, Isabelle Panet2, Gwendoline Pajot-Métivier2 and Lambert Caron1, (1)Institut de Physique du Globe de Paris, Paris, France, (2)IGN Institut National de l'Information Géographique et Forestière, Paris Cedex 13, France
 
Directional Mantle Flows Under the Oceans: A Joint Analysis of Seismic, Gravity and Bathymetry Data
Isabelle Panet, IGN Institut National de l'Information Géographique et Forestière, LAREG, Univ Paris Diderot, Paris Cedex 13, France, Barbara A Romanowicz, University of California Berkeley, Berkeley, CA, United States; Institut de Physique du Globe de Paris, Collège de France, Paris, France, Marianne Greff-Lefftz, Institut de Physique du Globe de Paris, Paris, France and Scott W French, Univ. of California, Berkeley, Berkeley, CA, United States
 
Using seismic tomography models to constrain the viscosity structure of the Earth's mantle
Keely Anne O'Farrell1, Joanna Reynolds1, Carolina R Lithgow-Bertelloni1 and Paul J Tackley2, (1)University College London, London, United Kingdom, (2)ETH Zurich, Zurich, Switzerland
 
Finite Frequency P-Wave Tomography for French Polynesian Region
Masayuki Obayashi1, Junko Yoshimitsu1, Hiroko Sugioka1, Aki Ito1, Takehi Isse2, Hajime Shiobara2 and Daisuke Suetsugu1, (1)JAMSTEC, D-EARTH, Yokosuka, Japan, (2)University of Tokyo, Bunkyo-ku, Japan