DI24A:
Volatiles and Earth'€™s Mantle Processes II

Tuesday, 16 December 2014: 4:00 PM-6:00 PM
Chairs:  Ananya Mallik, Rice University, Houston, TX, United States, Anne H Peslier, Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, Maureen D Long, Yale University, New Haven, CT, United States and Alan G Jones, Dublin Institute for Advanced Studies, Dublin, Ireland
Primary Conveners:  Ananya Mallik, Rice University, Houston, TX, United States
Co-conveners:  Anne H Peslier, NASA Johnson Space Center, ARES, Houston, TX, United States, Alan G Jones, Dublin Inst Advanced Studies, Dublin, Ireland and Maureen D Long, Yale University, New Haven, CT, United States
OSPA Liaisons:  Anne H Peslier, Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States

Abstracts Submitted to this Session:

4:00 PM
DI24A-01
 
Evidences and consequences of slow hydrogen diffusion in olivine
Jose Alberto Padron-Navarta, Géosciences Montpellier, Montpellier Cedex 05, France, Joerg Hermann, Australian National University, Research School of Earth Sciences, Canberra, Australia and Hugh S O'Neill, Australian National University, Canberra, Australia
4:15 PM
DI24A-02
 
The Electrical Structure of the Central Pacific Upper Mantle Constrained by the NoMelt Experiment
Robert L Evans1, Emily K Tursack1, John A Collins1, James Elsenbeck2, Glenn A Gaetani3, James B Gaherty4, Greg Hirth5 and Daniel Lizarralde6, (1)WHOI, Woods Hole, MA, United States, (2)Woods Hole Oceanographic Inst., Woods Hole, MA, United States, (3)WHOI, Geology & Geophysics, Woods Hole, MA, United States, (4)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (5)Brown Univeristy, Providence, RI, United States, (6)Woods Hole Ocng Inst, Woods Hole, MA, United States
4:30 PM
DI24A-03
 
Rheology of the East Africa Rift is not controlled by mantle hydrogen content
Kate Selway, Lamont -Doherty Earth Observatory, Palisades, NY, United States
4:45 PM
DI24A-04
 
Mapping Mantle Mixing and the Extent of Superplume Influence Using He-Ne-Ar-CO2-N2 Isotopes: The Case of the East Africa Rift System
David R Hilton1, Saemundur A Halldorsson2, Paolo Scarsi3, Paterno Castillo1, Tsegaye Abebe3 and Justin T Kulongoski4, (1)UCSD-SIO, La Jolla, CA, United States, (2)University of Iceland, Reykjavik, Iceland, (3)CNR National Research Council - CNR, Pisa, Italy, (4)USGS California Water Science Center San Diego, San Diego, CA, United States
5:00 PM
DI24A-05
 
Effect of Bulk Water Concentration on Mantle Wedge Hybridization by Rhyolitic Sediment Melt – Implications for Generation of K-rich Basalts to Andesites in Subduction Zones
Ananya Mallik1, Rajdeep Dasgupta1, Jared Michael Nelson1,2 and Kyusei Tsuno1, (1)Rice University, Houston, TX, United States, (2)Texas A & M University, Physics and Astronomy, College Station, TX, United States
5:15 PM
DI24A-06
 
Experimental Insights into the Stability and Composition of Hydrous Phases in the Metasomatized Mantle Lithosphere
Ben E Mandler and Timothy L Grove, Massachusetts Institute of Technology, Earth, Atmospheric & Planetary Sciences, Cambridge, MA, United States
5:30 PM
DI24A-07
 
Dehydration melting in the top of the lower mantle
Brandon Schmandt, University of New Mexico Main Campus, Albuquerque, NM, United States, Steven D Jacobsen, Northwestern University, Evanston, IL, United States, Thorsten W Becker, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, Zhenxian Liu, Carnegie Inst Washington, Washington, DC, United States and Ken George Dueker, University of Wyoming, Laramie, WY, United States
5:45 PM
DI24A-08
 
The Stability of Hydrous Silicates in Earth’s Lower Mantle: Experimental constraints from the System MgO-Al2O3-SiO2-H2O
Michael J Walter1, Andrew R Thomson2, Weiwei Wang3, Oliver T Lord1, Annette K Kleppe4, Jennifer Ross2 and Simon C Kohn2, (1)University of Bristol, Bristol, BS8, United Kingdom, (2)University of Bristol, Bristol, United Kingdom, (3)University College London, London, United Kingdom, (4)Diamond Light Source, Chilton, United Kingdom
 
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