MR24A:
The Role of Transition Elements in the Geophysical and Geochemical Processes in the Deep Earth I

Session ID#: 2413

Tuesday, 16 December 2014: 4:00 PM-6:00 PM
Salons 4-6 (Marriott Marquis)
Chairs:  Jung-Fu Lin, University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States, Renata Wentzcovitch, University of Minnesota Twin Cities, Minneapolis, MN, United States and Catherine A McCammon, University of Bayreuth, Bayreuth, Germany
Primary Convener:  Jung-Fu Lin, University of Texas at Austin, Austin, TX, United States
Co-conveners:  Renata Wentzcovitch, University of Minnesota Twin Cities, Minneapolis, MN, United States and Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany
OSPA Liaison:  Jung-Fu Lin, University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States
Co-Sponsor(s):
  • DI - Study of the Earth's Deep Interior
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

3621 Mantle processes [MINERALOGY AND PETROLOGY]
3909 Elasticity and anelasticity [MINERAL PHYSICS]
3919 Equations of state [MINERAL PHYSICS]
3924 High-pressure behavior [MINERAL PHYSICS]
Virtual Option?: No

Abstracts Submitted to this Session:

Complex Effects of Alumina/Silica on Ferric/Ferrous Iron in Earth's Lower Mantle (7431)
Susannah Dorfman1, Vasily Potapkin2, Ilya Kupenko3, Alexander I Chumakov4, Farhang Nabiei1, Arnaud Magrez1, Leonid S Dubrovinsky5, Catherine A McCammon6 and Philippe Gillet1, (1)EPFL Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland, (2)Forschungszentrum Jülich, Julich Center for Neutron Science, Jülich, Germany, (3)Universitaet Muenster, Institute for Mineralogy, Muenster, Germany, (4)ESRF European Synchrotron Radiation Facility, Grenoble, France, (5)University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany, (6)University of Bayreuth, Bayreuth, Germany
Cation Ordering in Fe-bearing Silicate Perovskite (Bridgmanite) and its Role in Disproportionation (22036)
Aaron S S Wolf, University of Michigan, Ann Arbor, MI, United States, Razvan Caracas, Ecole Normale Supérieure Lyon, Lyon, France, Paul D Asimow, California Institute of Technology, Pasadena, United States and Jean-Philippe Harvey, California Institute of Technology, Pasadena, CA, United States
A Pyrolitic Lower Mantle with (Mg,Fe3+)(Si,Al3+)O3 Bridgmanite (28028)
Xianlong Wang1,2 and Taku Tsuchiya1,3, (1)Ehime University, Matsuyama, Japan, (2)Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan, (3)GRC, Ehime University, Matsuyama, Japan
Electronic Spin and Valence States of Iron in the Al-rich NAL and CF Phases in the Subducted Slabs (26562)
Ye Wu1, Xiang Wu1, Jung-Fu Lin2, Takashi Yoshino3, Catherine A McCammon4, Yuming Xiao5 and Vitali B Prakapenka6, (1)Peking University, School of Earth and Space Sciences, Beijing, China, (2)University of Texas at Austin, Austin, TX, United States, (3)Okayama University, Okayama, Japan, (4)University of Bayreuth, Bayreuth, Germany, (5)Geophysical Laboratory, Washington Dc, DC, United States, (6)The University of Chicago, Center for Advanced Radiation Sources, Chicago, United States
New thermodynamic treatment of the partitioning of iron with different valence and spin states between Mg-perovskite and ferropericlase (14897)
Kiyoshi Fujino, Ehime University, Matsuyama, Japan and Tetsuo Irifune, Ehime University, Geodynamics Research Center, Matsuyama, Japan
Elasticity of Single-Crystal Ferropericlase across the Spin Transition in the Lower Mantle (Invited) (3276)
Jing Yang, University of Texas at Austin, Geological Sciences, Austin, TX, United States, Xinyue Tong, Institute for Geophysics, Geological Sciences, Austin, TX, United States, Jung-Fu Lin, University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States, Takuo Okuchi, Kyoto University, Institute for Integrated Radiation and Nuclear Science, Osaka, Japan and Naotaka Tomioka, Kochi Institute for Core Sample Research, JAMSTEC, Nankoku, Japan
Spin crossover in ferropericlase and velocity heterogeneities in the lower mantle (Invited) (3245)
Zhongqing Wu, University of Science and Technology of China, Laboratory of Seismology and Physics of Earth’s Interior, School of Earth and Space Sciences, Hefei, China and Renata Wentzcovitch, University of Minnesota Twin Cities, Minneapolis, MN, United States
Deformation of (Mg,Fe)O Ferropericlase to Temperatures of 1150 K and Pressures of 96 GPa: Implications for Mantle Flow and Seismic Anisotropy (Invited) (3251)
Hauke Marquardt, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany, Lowell M Miyagi, University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States, Sergio Speziale, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, Hanns-Peter Liermann, DESY Deutsches Elektronen Synchrotron, Hamburg, Germany, Sebastien Merkel, UMET, Université de Lille, Villeneuve d'Ascq, France and Carlos Tomé, Los Alamos National Laboratory, Mat Sci & Technol Div, Los Alamos, NM, United States