MR21A:
Liquids in Planetary Interiors: Experiments, Calculations, and Modeling I Posters

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Session ID#: 13692

Session Description:
The study of liquids of geophysical interest is important to understanding the present state of the Earth and other planets, as well as their evolution through time. Partial melting of silicates could occur all across the mantle, in the upper mantle as well as at the core-mantle boundary, and liquid iron alloys are largely present in planetary cores. This session will be dedicated to the study of melting phenomena, partial melts and fluids. Topics will include, but are not limited to, melting curves, structural, thermo-physical and chemical properties of liquid silicates and iron alloys under high pressure, and their implications for planetary interiors. We would like to open this session to experimental work (either static or dynamic compression) and theoretical calculations on liquids and melts, as well as to seismological observations and geophysical modeling highlighting the fundamental role played by bulk liquid or partial melting in planetary interiors.
Primary Convener:  Guillaume Morard, IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France
Conveners:  Tony Yu, The University of Chicago, Center for Advanced Radiation Sources, Chicago, United States, Yoichi Nakajima, Kumamoto University, Kumamoto, Japan and Daniele Antonangeli, Sorbonne Université - MNHN - CNRS - IMPMC, Paris, France
Chairs:  Guillaume Morard, IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France and Yoichi Nakajima, Kumamoto University, Kumamoto, Japan
OSPA Liaison:  Daniele Antonangeli, Sorbonne Université - MNHN - CNRS - IMPMC, Paris, France

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
Index Terms:

3924 High-pressure behavior [MINERAL PHYSICS]
3939 Physical thermodynamics [MINERAL PHYSICS]

Abstracts Submitted to this Session:

Physical Properties of Liquid Fe-S Alloys at High Pressure (120211)
Daniele Antonangeli1, Guillaume Morard2, Alexis Marret2, Clemens Prescher3, Eglantine Boulard4, Mohamed Mezouar5 and Attilio Rivoldini6, (1)CNRS - Sorbonne Universités, IMPMC, Paris, France, (2)IMPMC - CNRS - Sorbonne Universités, Paris, France, (3)University of Cologne, Institute of Geology and Mineralogy, Cologne, Germany, (4)IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France, (5)ESRF European Synchrotron Radiation Facility, Grenoble, France, (6)Royal Observatory of Belgium, Brussels, Belgium
Si-depleted outer core inferred from sound velocity measurements of liquid Fe-Si alloys (171648)
Yoichi Nakajima1, Saori Imada2, Kei Hirose3, Yasuhiro Kuwayama4, Ryosuke Sinmyo5, Shigehiko Tateno6, Haruka Ozawa6, Satoshi Tsutsui2, Hiroshi Uchiyama2 and Alfred Q. R. Baron1, (1)RIKEN SPring-8 Center, Material Dynamics Laboratory, Hyogo, Japan, (2)Japan Synchrotron Radiation Research Institute, Hyogo, Japan, (3)Institute of Science Tokyo, Earth-Life Science Institute, Meguro-ku, Tokyo, Japan, (4)Ehime University, Ehime, Japan, (5)Tokyo Institute of Technology, Earth-Life Science Institute, Tokyo, Japan, (6)Okayama University, Institute for Planetary Materials, Misasa, Japan
Liquid-Liquid Transition in Fe-Ni-C alloy at High Temperature and Pressures Revealed by Structure and Viscosity from First-Principles Molecular Dynamics (184575)
Jianwei Wang, Louisiana State University, Baton Rouge, LA, United States and Bin Chen, University of Hawaii at Manoa, Honolulu, United States
Defining the Iron-Rich Fe-Ni-S Melting Curve at 20GPa: Implications for Martian Core Solidification (136631)
Forrest Galen Gilfoy, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Jie Li, University of Michigan Ann Arbor, Department of Earth and Environmental Sciences, Ann Arbor, United States
A New Thermodynamic Model for High Pressure Melts and the Impact on Magma Ocean Crystallization (161069)
Aaron S S Wolf, University of Michigan Ann Arbor, Ann Arbor, United States and Dan J Bower, ETH Zurich, Institute of Geophysics, Department of Earth Sciences, Zurich, Switzerland
Electrical Conductivity of Multi-Component Silicate Melt in the Magma Ocean (188060)
Roberto Scipioni, University College London, London, United Kingdom and Lars P Stixrude, University College London, Earth Sciences, London, United Kingdom
P Wave and S Wave Acoustic Velocities of Partial Molten Peridotite at Mantle P-T and MHz Frequencies (198480)
Donald J Weidner1, Li Li2, Matthew L Whitaker2 and Richard Triplett2, (1)Mineral Physics Institute, Stony Brook University, Stony Brook, NY, United States, (2)Stony Brook University, Mineral Physics Institute, Stony Brook, NY, United States
Thermodynamic potentials of NaCl(aq) between 0 – 0.7 GPa and 250 – 340 K. (195699)
Olivier Bollengier1, J. Michael Brown2, Steve Vance3 and Guy Giesa-Wilson1, (1)University of Washington, Earth and Space Sciences, Seattle, WA, United States, (2)University of Washington, Department of Earth and Space Sciences, Seattle, United States, (3)Jet Propulsion Laboratory, Pasadena, CA, United States
Pressure induced structural and density changes in Ca and Mg aluminosilicate glasses (MO/Al2O3≤1) recovered from 1-3 GPa: 27Al, 17O, 29Si MAS NMR and density (136164)
Saurav Bista, Stanford University, Stanford, CA, United States and Jonathan F Stebbins, Stanford University, Geological Sciences, Stanford, CA, United States

See more of: Mineral and Rock Physics