Primary Convener: Bradford J Foley, Pennsylvania State University Main Campus, University Park, PA, United States
Conveners: Ann Bauer, University of Wisconsin Madison, Madison, WI, United States, Jesse Ray Reimink, Pennsylvania State University, Department of Geosciences, University Park, PA, United States and Natasha Barrett, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
Primary Liaison: Bradford J Foley, Pennsylvania State University, State College, PA, United States
Chairs: Natasha Barrett, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada, Jesse Ray Reimink, Pennsylvania State University, Department of Geosciences, University Park, PA, United States, Ann Bauer, University of Wisconsin Madison, Madison, WI, United States and Bradford J Foley, Pennsylvania State University, State College, PA, United States
OSPA Liaison: Bradford J Foley, Pennsylvania State University, State College, PA, United States
19:05
Viscosity of peridotite melt suggests a layered mantle in the early Earth (679427)
Longjian Xie1, Akira Yoneda2,3, Tomoo Katsura1, Denis Andrault4, Yoshinori Tange5 and Yuji Higo5, (1)University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany, (2)Okayama Univ, Tottori, Japan, (3)Osaka University, Osaka, Japan, (4)Laboratoire Magmas et Volcans, Clermont-Ferrand Cedex, France, (5)Japan Synchrotron Radiation Research Institute, Hyogo, Japan
19:10
Destabilization of Long-Lived Hadean Protocrust and Onset of Pervasive Hydrous Melting at 3.8 Ga Recorded in Detrital Zircons of the Green Sandstone Bed, South Africa (736456)
Nadja Drabon, Harvard University, Cambridge, MA, United States, Benjamin L Byerly, University of California, Santa Barbara, Santa Barbara, United States, Gary R Byerly, Louisana State Univ, Baton Rouge, LA, United States, Joseph L Wooden, Oregon State University, Corvallis, OR, United States, Michael Wiedenbeck, GeoForschungZentrum Potsdam, Potsdam, Germany, John W Valley, Univ Wisconsin Madison, Madison, WI, United States, Kouki Kitajima, University of Wisconsin, Madison, WI, United States, Ann Bauer, University of Wisconsin Madison, Madison, WI, United States and Donald R. Lowe, Stanford Earth Sciences, Stanford, CA, United States
19:20
Secular oxidation of the mantle decreased the proportion of reducing gases in volcanic emissions and could trigger the atmospheric oxygenation (716966)
Shintaro Kadoya, University of Washington Seattle Campus, Earth and Space Sciences, Seattle, WA, United States, David C Catling, University of Washington, Earth and Space Sciences, Seattle, WA, United States, Robert William Nicklas, Scripps Institution of Oceanography, Geoscience Research Division, La Jolla, MD, United States, Igor S Puchtel, University of Maryland College Park, Department of Geology, College Park, MD, United States and Ariel D Anbar, Arizona State University, School of Earth and Space Exploration and School of Molecular Sciences, Tempe, AZ, United States
