Physics and Chemistry of the Deep Earth II

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
Chairs:  Bin Chen, University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, Honolulu, HI, United States and Ryosuke Sinmyo, University of Bayreuth, Bayreuth, Germany
Primary Conveners:  Tetsuya Komabayashi, University of Edinburgh, Edinburgh, EH9, United Kingdom
Co-conveners:  Zhicheng Jing, Case Western Reserve University, Cleveland, OH, United States, Razvan Caracas, CNRS, Laboratory of Geology of Lyon, Paris Cedex 16, France and Carole Nisr, Arizona State University, Tempe, AZ, United States
OSPA Liaisons:  Tetsuya Komabayashi, University of Edinburgh, Edinburgh, EH9, United Kingdom

Abstracts Submitted to this Session:

10:20 AM
Iron-rich eutectic liquid composition in Fe-Si system at core pressures: Ex-situ textural and chemical characterization of DAC samples
Kei Hirose, Tokyo Institute of Technology, Tokyo, Japan and Haruka Ozawa, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
10:35 AM
Spin crossover in solid and liquid (Mg,Fe)O from first-principles molecular dynamics
Eero Holmstrom and Lars Stixrude, University College London, London, United Kingdom
10:50 AM
Disproportionation of (Mg,Fe)SiO3 Perovskite and its Implications to the Deep Earth
Li Zhang1,2, Yue Meng3, Wenge Yang1,4, Lin Wang1,4, Wendy L Mao5, Qiaoshi Charles Zeng6, Jong Seok Jeong7, Andrew J. Wagner7, K. Andre Mkhoyan7, Wenjun Liu8, Ruqing Xu8 and Ho-kwang Mao1,2, (1)Center for High Pressure Science & Technology Advanced Research, Shanghai, China, (2)Geophysical Laboratory, Washington Dc, DC, United States, (3)Carnegie Institution of Washington, HPCAT, Argonne, IL, United States, (4)Carnegie Inst-HPSynC, Argonne, IL, United States, (5)Stanford-Geological & Env Sci, Stanford, CA, United States, (6)Stanford University, Palo Alto, CA, United States, (7)University of Minnesota Twin Cities, Department of Chemical Engineering and Materials Science, Minneapolis, MN, United States, (8)Argonne National Laboratory, Advanced Photon Source, Argonne, IL, United States
11:05 AM
Modeling the Melting of MgSiO3-perovskite and MgO-MgSiO3 under Lower Mantle Conditions
Cono Di Paola, University College London, London, United Kingdom and John Peter Brodholt, Univ College London, London, United Kingdom
11:20 AM
Lower Mantle Electrical Conductivity Based on Measurements of Al, Fe-Bearing Perovskite Under Lower Mantle Conditions
Ryosuke Sinmyo1, Giacomo Pesce1, Eran Greenberg2, Catherine A McCammon1 and Leonid S Dubrovinsky1, (1)University of Bayreuth, Bayreuth, Germany, (2)Tel Aviv University, Tel Aviv, Israel
11:35 AM
Thermal Conductivity Measurements in Metals at High Pressures and Temperatures.
Zuzana Konopkova, DESY Deutsches Elektronen Synchrotron, Hamburg, Germany, Ryan Stewart McWilliams, School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom and Alexander Goncharov, Geophysical Laboratory, Washington Dc, DC, United States
11:50 AM
Simultaneous measurement of density and sound velocity of liquid Fe-C at high pressure
Yuta Shimoyama1, Hidenori G Terasaki1, Satoru Urakawa2, Soma Kuwabara1, Yusaka Takubo1 and Yoshinori Katayama3, (1)Osaka University, Osaka, Japan, (2)Okayama University, Okayama, Japan, (3)JAEA Japan Atomic Energy Agency, Toki, Japan
12:05 PM
Experimental studies on the viscosity of (Mg,Fe)O melt up to 70 GPa
Zhixue Du, Yale University, New Haven, CT, United States and Kanani K M Lee, Yale University, Department of Geology and Geophysics, New Haven, CT, United States