V52B:
Melt, Volatiles, and the Oxidation State of Iron in Planetary Mantles II

Friday, 19 December 2014: 10:20 AM-12:20 PM
Chairs:  Glenn A Gaetani, WHOI, Geology & Geophysics, Woods Hole, MA, United States and Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States
Primary Conveners:  David L Kohlstedt, University of Minnesota Twin Cities, Minneapolis, MN, United States
Co-conveners:  Glenn A Gaetani, WHOI, Geology & Geophysics, Woods Hole, MA, United States, Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States and Anthony C Withers, University of Minnesota, Minneapolis, MN, United States
OSPA Liaisons:  Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States

Abstracts Submitted to this Session:

10:20 AM
V52B-01
 
Controls of P-T-X-fO2 on Iron Isotopic Fractionation in Igneous Rocks
Nicolas Dauphas1, Mathieu Roskosz2, Esen E Alp3, Daniel R Neuville4, Michael Y. Hu3, Corliss Kin I Sio1, Francois Tissot1, Jiyong Zhao3, Laurent Tissandier5 and Etienne Medard6, (1)University of Chicago, Chicago, IL, United States, (2)University of Lille 1, Villeneuve d'Ascq, France, (3)Argonne National Laboratory, Argonne, IL, United States, (4)CNRS-IPGP, Paris, France, (5)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, (6)University Blaise Pascal Clermont-Ferrand II, Clermont-Ferrand, France
10:35 AM
V52B-02
 
Quantitative evaluation of the effect of H2O degassing on the oxidation state of magmas
Rebecca Ann Lange and Laura Waters, University of Michigan, Ann Arbor, MI, United States
10:50 AM
V52B-03
 
Fe3+ partitioning during basalt differentiation on Mars: insights into the oxygen fugacity of the shergottite mantle source(s).
Etienne Medard1, Audrey M Martin2, Max Collinet3, Kevin Righter4, Timothy L Grove5, Matthew Newville6 and Antonio Lanzirotti6, (1)Université Blaise Pascal, Laboratoire Magmas et Volcans, Clermont-Ferrand, France, (2)Case Western Reserve University, Cleveland, OH, United States, (3)Université de Liège, Department of Geology, Liège, Belgium, (4)NASA Johnson Space Center, Houston, TX, United States, (5)Massachusetts Institute of Technology, Earth, Atmospheric & Planetary Sciences, Cambridge, MA, United States, (6)University of Chicago, Consortium of Advanced Radiation Sources, Chicago, IL, United States
11:05 AM
V52B-04
 
Oxygen Fugacity Recorded by Xenoliths from Pacific Oceanic Islands
Kellie Wall, Washington State University, Pullman, WA, United States, Fred A Davis, Smithsonian Institution, Washington, DC, United States and Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States
11:20 AM
V52B-05
 
The Behavior of Fe3+/∑Fe During Partial Melting of Spinel Lherzolite
Glenn A Gaetani, WHOI, Geology & Geophysics, Woods Hole, MA, United States
11:35 AM
V52B-06
 
Pressure effect on Fe3+/FeT in silicate melts and applications to magma redox, particularly in magma oceans
Hongluo Zhang and Marc M Hirschmann, Univ Minnesota, Minneapolis, MN, United States
11:50 AM
V52B-07
 
Probing the oxidation state of iron in the deep mantle using high P,T Mössbauer spectroscopy
Catherine A McCammon1, Ilya Kupenko1,2, Ryosuke Sinmyo1, Valerio Cerantola1, Vasily Potapkin2,3, Alexander I Chumakov2, Anastasia Kantor1,2, Rudolf Rüffer2 and Leonid S Dubrovinsky1, (1)University of Bayreuth, Bayreuth, Germany, (2)ESRF European Synchrotron Radiation Facility, Grenoble, France, (3)Forschungszentrum Jülich, Julich Center for Neutron Science, Jülich, Germany
12:05 PM
V52B-08
 
High-Pressure, High-Temperature Equations of State for Fe, Ni, and Co Silicates, Oxides and Metals: Constructing a Deep Earth Electrochemical Series.
Abby Kavner, University of California Los Angeles, Los Angeles, CA, United States and Matthew M Armentrout, University of California Davis, Los Angeles, CA, United States
 
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