MR34A:
Planetary Ices and Volatiles from Surface to Deep Interior II

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Session ID#: 15983

Session Description:
The presence and distribution of volatiles (C, O, H, N, S, noble gases, and others) within the Earth’s deep interior may have a profound influence on a multitude of physical, petrological, geochemical and geodynamical processes. The precise mechanisms of volatile cycling between the Earth’s surface and eventual storage in the deep interior remains an open question, necessitating the combined efforts of geochemists, petrologists, mineral physicists, seismologists, geodynamists, and computational geoscientists. This session aims to unite all types of researchers who investigate volatiles in the Earth’s mantle and core. Relevant topics include but are not limited to: study of natural samples from the deep mantle, experimental and theoretical constraints on volatile-bearing phase stability and equations of state, investigations into the origin and cycling of terrestrial volatiles, seismological and geodynamical study of the distribution and influence of deep Earth volatiles, and constraints on the volatile element content of the Earth’s core.
Primary Convener:  Elizabeth Colette Thompson, University of Chicago, Chicago, United States
Conveners:  Pierre Beck, University Joseph Fourier Grenoble, Grenboble, France and Davide Novella, Lawrence Livermore National Laboratory, Livermore, CA, United States
Chairs:  Elizabeth Colette Thompson, University of Chicago, Chicago, United States and Martha G Pamato, University College London, London, United Kingdom
OSPA Liaison:  Martha G Pamato, University College London, London, United Kingdom

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
  • EP - Earth and Planetary Surface Processes
  • P - Planetary Sciences
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1030 Geochemical cycles [GEOCHEMISTRY]
3924 High-pressure behavior [MINERAL PHYSICS]
5422 Ices [PLANETARY SCIENCES: SOLID SURFACE PLANETS]
5470 Surface materials and properties [PLANETARY SCIENCES: SOLID SURFACE PLANETS]

Abstracts Submitted to this Session:

Water Partitioning Between Bridgmanite, Postperovskite, and Periclase in the Lowermost Mantle. (Invited) (179007)
Joshua P Townsend, Sandia National Laboratories, Albuquerque, NM, United States; Sandia National Laboratories, Albuquerque, United States, Jun Tsuchiya, Ehime University, Geodynamics Research Center, Matsuyama, Japan, Craig R. Bina, Northwestern University, Department of Earth and Planetary Sciences, Evanston, United States and Steven D Jacobsen, Northwestern University, Department of Earth and Planetary Sciences, Evanston, IL, United States
Pressure-dependent Isotopic Composition of Iron Alloys (Invited) (190994)
Mary M Reagan1, Anat Shahar2, Edwin A Schauble3, Razvan Caracas4, Arianna E Gleason5, Stephen M Elardo2, Yuming Xiao6, Jinfu Shu7 and Wendy L Mao8, (1)Stanford Earth Sciences, Geological Sciences, Stanford, CA, United States, (2)Carnegie Institution for Science Washington, Washington, DC, United States, (3)University of California Los Angeles, Los Angeles, CA, United States, (4)CNRS Lyon, Lyon, France, (5)Los Alamos National Laboratory, Los Alamos, NM, United States, (6)Argonne National Laboratory, X ray Science division, Argonne, United States, (7)Carnegie Inst Washington, Washington, DC, United States, (8)Stanford University, Earth and Planetary Sciences, Stanford, United States
A volatile-rich Earth’s core inferred from melting temperature of core materials (130873)
Guillaume Morard1, Denis Andrault2, Daniele Antonangeli3, Yoichi Nakajima4, Anne-line Auzende1, Eglantine Boulard1, Alisha N Clark5, Oliver T Lord6, Sophie Cervera1, Julien Siebert7, Gaston Garbarino8, Volodymyr Svitlyk8 and Mohamed Mezouar8, (1)IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France, (2)Laboratoire Magmas et Volcans, Clermont-Ferrand, France, (3)Sorbonne Université - MNHN - CNRS - IMPMC, Paris, France, (4)Kumamoto University, Kumamoto, Japan, (5)University of California Davis, Davis, CA, United States, (6)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, (7)Université de Paris & Institut de Physique du Globe de Paris, Paris, France, (8)ESRF European Synchrotron Radiation Facility, Grenoble, France
Insights from numerical modeling on the global-scale mantle water cycle: evolution of the surface water ocean as a constraint on the plate-mantle-core system (165378)
Takashi Nakagawa, JAMSTEC, Department of Mathematical Science and Advanced Technology, Yokohama, Japan and Marc W Spiegelman, Columbia University of New York, Palisades, NY, United States
The Influence of Particles on the Rheological Behavior of Ice (Invited) (197567)
David L Goldsby1, Chao Qi2, Taunee Anne Werts2, Laura A. Stern3, William B Durham4 and Asmin Pathare5, (1)University of Pennsylvania, Department of Earth and Environmental Sciences, Philadelphia, PA, United States, (2)University of Pennsylvania, Earth and Environmental Sciences, Philadelphia, PA, United States, (3)USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States, (4)MIT 54-720, Cambridge, MA, United States, (5)Planetary Science Institute, Tucson, United States
Properties of planetary ices in the NH3 + CO2 ± H2O ternary system using neutron diffraction and ab initio calculations (Invited) (140687)
Christopher Mckenzie Howard1, Ian G Wood1, Andrew Dominic Fortes2 and Lidunka Vocadlo3, (1)University College London, Earth Sciences, London, United Kingdom, (2)Rutherford Appleton Laboratory, ISIS Neutron Spallation Source, Didcot, United Kingdom, (3)University College London, London, United Kingdom
Ceres' Evolution Before and After Dawn: Where are We Now? (Invited) (134301)
Thomas B McCord, Bear Fight Institute, Winthrop, WA, United States and Julie C Castillo, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
Exogenic and endogenic Europa minerals (164901)
Helen Elizabeth Maynard-Casely, Australian Nuclear Science and Technology Organization, Kirrawee, NSW, Australia, Helen E. A. Brand, Australian Synchrotron, Clayton, Australia and Sasha Wilson, University of Alberta, Edmonton, AB, Canada

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