V24A:
Accretionary and Planetary Differentiation Processes As Recorded in Early Earth and Planetary Materials I

Tuesday, 16 December 2014: 4:00 PM-6:00 PM
Chairs:  Audrey Bouvier, University of Western Ontario, Earth Sciences, London, ON, Canada and Jeffrey D. Vervoort, Washington State University, Pullman, WA, United States
Primary Conveners:  Audrey Bouvier, University of Western Ontario, Earth Sciences, London, ON, Canada
Co-conveners:  Mathieu Touboul, University of Maryland College Park, Geology, College Park, MD, United States and Jeffrey D. Vervoort, Washington State University, Pullman, WA, United States
OSPA Liaisons:  Audrey Bouvier, University of Western Ontario, Earth Sciences, London, ON, Canada

Abstracts Submitted to this Session:

4:00 PM
V24A-01
 
Nebular fractionation of silicon isotopes and implications for silicon in Earth’s core
Nicolas Dauphas1, Franck Poitrasson2 and Christoph Burkhardt1, (1)University of Chicago, Chicago, IL, United States, (2)CNRS, Laboratoire Geosciences Environnement, Toulouse, France
4:15 PM
V24A-02
 
Constraints on the timing of the Moon-forming giant impact from MORB Xe isotopes
Rita Parai, Harvard Univ, Cambridge, MA, United States and Sujoy Mukhopadhyay, University of California Davis, Davis, CA, United States
4:30 PM
V24A-03
 
Sulfur isotopic fractionation during planetary differentiation
Jabrane Labidi1, Anat Shahar2, Charles Le Losq3, Valerie J Hillgren4, Bjorn O Mysen1 and James Farquhar5, (1)Carnegie Inst Washington, Washington, DC, United States, (2)Carnegie Institution of Washington, Geophysical Laboratory, Washington, DC, United States, (3)Institut de Physique du Globe de Paris, Paris, France, (4)Carnegie Institution, Washington, DC, United States, (5)University of Maryland College Park, College Park, MD, United States
4:45 PM
V24A-04
 
New insights from old spherules: Os-W isotope and HSE evidence for Paleoarchean meteorite bombardment of the Earth
Toni Schulz1, Ambre A. Luguet2 and Christian Koeberl1, (1)University of Vienna, Vienna, Austria, (2)University Bonn, Steinmann Institute, Bonn, Germany
5:00 PM
V24A-05
 
Early Differentiation Processes Recorded By 142Nd and 182W in Eoarchean Rocks from Isua
Hanika L Rizo Garza1, Richard J Walker2, Richard W Carlson1, Mathieu Touboul3, Mary F Horan4, Igor S Puchtel5, Maud Boyet6 and Minik T. Rosing7, (1)Carnegie Inst Washington, Washington, DC, United States, (2)Univ Maryland, College Park, MD, United States, (3)University of Maryland College Park, Geology, College Park, MD, United States, (4)Carnegie Inst of Washington, Washington, DC, United States, (5)University of Maryland College Park, Department of Geology, College Park, MD, United States, (6)Laboratoire Magmas et Volcans, Clermont-Ferrand Cedex, France, (7)Natural History Museum of Denmark, Copenhagen, Denmark
5:15 PM
V24A-06
 
New insights from 182W anomalies in Eoarchean rocks from northern Labrador, Canada
Jingao Liu1, Mathieu Touboul2, Akira Ishikawa3, Richard J Walker2 and Graham D Pearson1, (1)University of Alberta, Earth & Atmospheric Sciences, Edmonton, AB, Canada, (2)University of Maryland College Park, Geology, College Park, MD, United States, (3)University of Tokyo, Bunkyo-ku, Japan
5:30 PM
V24A-07
 
Extreme Hf and light Fe isotopes in Archean komatiites - a remnant of very early mantle depletion?
Oliver Nebel1, Paolo Sossi2, Ian H Campbell1 and Martin Julian Van Kranendonk3, (1)Australian National University, Canberra, ACT, Australia, (2)Australian National University, Canberra, Australia, (3)University of New South Wales, Sydney, NSW, Australia
5:45 PM
V24A-08
 
An Impaired View of Earth's Early History
Jeffrey D. Vervoort1, Anthony I Kemp2, Ann Bauer3, Samuel A Bowring4 and Chris Fisher1, (1)Washington State University, Pullman, WA, United States, (2)University Western Australia, Crawley, WA, Australia, (3)Massachusetts Institute of Technology, Cambridge, MA, United States, (4)MIT, Cambridge, MA, United States
 
See more of: Volcanology, Geochemistry and Petrology
<< Previous Session | Next Session >>