V23D:
Chemical and Dynamical Constraints on the Formation and Evolution of the Terrestrial Planets I


Session ID#: 7443

Session Description:
This session aims to bring together researchers studying the rates and processes that governed planetary accretion and differentiation. Such processes and timescales are still hotly debated. For example, how did chemical reservoirs evolve within the protoplanetary disk? What was the chemical composition of the material that accreted onto different bodies in the inner solar system? What was the nature and timing of volatile element depletion and addition to planets? What were the timescales planetary differentiation on Earth and other planets and planetesimals?

Topics of interest include efforts to determine the ages of early Solar System objects, the timing and sequence of volatile element depletion and addition to planets, as well as the chemical fingerprints left behind by crust, mantle, and core formation. We invite researchers that investigate these topics with both chemical and isotopic analysis of Earth and extraterrestrial materials as well as dynamical simulations of planetary formation processes.

Primary Convener:  Sune Nielsen, Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, United States
Conveners:  Paul S Savage, Washington University, St. Louis, MO, United States, Maud Boyet, Laboratoire Magmas et Volcans, Clermont-Ferrand Cedex, France and Audrey Bouvier, University of Western Ontario, Earth Sciences, London, ON, Canada
Chairs:  Sune Nielsen, Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, United States and Maud Boyet, CNRS, Clermont-Ferrand, France
OSPA Liaison:  Sune Nielsen, Woods Hole Oceanographic Institute, Geology & Geophysics, Woods Hole, United States

Cross-Listed:
  • P - Planetary Sciences
Co-Sponsor(s):
  • EGU-GMPV: European Geosciences Union – Geochemistry, Mineralogy, Petrology, and Volcanology - European Geosciences Union – Geochemistry, Mineralogy, Petrology, and Volcanology
  • GS: Geochemical Society - Geochemical Society
  • MSA: Mineralogical Society of America - Mineralogical Society of America
Index Terms:

1027 Composition of the planets [GEOCHEMISTRY]
1060 Planetary geochemistry [GEOCHEMISTRY]
1160 Planetary and lunar geochronology [GEOCHRONOLOGY]
3672 Planetary mineralogy and petrology [MINERALOGY AND PETROLOGY]

Abstracts Submitted to this Session:

Substantial Variations of Refractory Siderophile Element Ratios in Components of Unequilibrated Chondrites - Implications for Terrestrial Planet Compositions (79509)
Harry Becker, Freie Universität Berlin, Geological Sciences, Berlin, Germany and Yogita Kadlag, Freie Univ Berlin, Berlin, Germany
Non-CI refractory lithophile abundances in bulk planetary materials (64669)
Nicolas Dauphas, University of Chicago, Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, Chicago, IL, United States
Timing and Timescales in the Grand Tack Model of Planet Formation (Invited) (62686)
Kevin John Walsh, Southwest Research Institute Boulder, Boulder, United States and Harold F Levison, Southwest Research Institute, Boulder, United States
Jupiter’s Migration and the Hydration of the Early Inner Solar System (60350)
Adam Sarafian1, Sune Nielsen2, Horst Marschall1, Glenn A Gaetani1, Emily K Sarafian1, Erik Hauri3 and Kevin Righter4, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, United States, (3)Carnegie Institution for Science, Washington, DC, United States, (4)NASA Johnson Space Center, Astromaterials Acquisition and Curation Office, Houston, TX, United States
Stable Isotope Evidence for Planetary Differentiation (Invited) (73914)
Anat Shahar, Carnegie Institution for Science, Earth and Planets Laboratory, Washington, United States, Wendy L Mao, Stanford University, Department of Geological Sciences, Stanford, CA, United States, Edwin A Schauble, University of California Los Angeles, Los Angeles, CA, United States, Razvan Caracas, CNRS Lyon, Lyon, France, Mary M Reagan, Stanford Earth Sciences, Geological Sciences, Stanford, CA, United States and Arianna E Gleason, Los Alamos National Laboratory, Los Alamos, NM, United States
Magnesium isotope compositions of Solar System materials determined by double spiking (78963)
Remco Hin1, Yi-Jen Lai2, Chris Coath3 and Tim Elliott1, (1)University of Bristol, Bristol, BS8, United Kingdom, (2)ETH Zurich, Zurich, Switzerland, (3)University of Bristol, Bristol, United Kingdom
Condensing the Moon from a MAD Earth (Invited) (60211)
Simon James Lock1, Sarah T Stewart2, Michail I Petaev3, Zoë M Leinhardt4, Mia Mace4, Stein B Jacobsen5 and Matija Cuk6, (1)Harvard University, Cambridge, MA, United States, (2)University of California, Earth and Planetary Sciences, Davis, United States, (3)Harvard University, Earth and Planetary Sciences, Cambridge, United States, (4)University of Bristol, Bristol, United Kingdom, (5)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (6)SETI Institute Mountain View, Mountain View, CA, United States
Tungsten isotope evidence for post-giant impact equilibration of the Earth and Moon (Invited) (63205)
Thomas Kruijer1, Thorsten Kleine2 and Mario Fischer-Gödde1, (1)University of Münster, Münster, Germany, (2)University of Münster, Institut für Planetologie, Münster, Germany

See more of: Volcanology, Geochemistry and Petrology