Primary Conveners: Sebastian Rost, University of Leeds, Leeds, LS2, United Kingdom
Conveners: Christopher Harig, Princeton University, Department of Geosciences, Princeton, NJ, United States and Lowell M Miyagi, University of Utah, Salt Lake City, UT, United States
Chairs: Sebastian Rost, University of Leeds, COMET, School of Earth and Environment, Leeds, United Kingdom and Christopher Harig, Princeton University, Department of Geosciences, Princeton, NJ, United States
OSPA Liaisons: Lowell M Miyagi, University of Utah, Salt Lake City, UT, United States
14:10
Compositional mantle layering revealed by slab stagnation at ~1,000 km depth (Invited) (69397)
Maxim D. Ballmer, ETH Zurich, Institute of Geophysics, Zurich, Switzerland; Tokyo Institute of Technology, ELSI, Tokyo, Japan, Takashi Nakagawa, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Nicholas C Schmerr, University of Maryland College Park, College Park, MD, United States, Jeroen Ritsema, Univ Michigan, Ann Arbor, MI, United States and Matthew Motoki, University of Hawaii at Manoa, Honolulu, HI, United States
14:25
The heterogeneity spectrum of Earth’s upper mantle constrained by global observations of scattered P-waves (62807)
Nicholas J Mancinelli, Scripps Institution of Oceanography, La Jolla, CA, United States, Peter M Shearer, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, Dave R Stegman, University of California San Diego, La Jolla, CA, United States and Qinya Liu, University of Toronto, Physics, Toronto, ON, Canada
14:40
Seismic detection of oceanic crust in Earth’s lower mantle and its relation to large-scale mantle structure (Invited) (77491)
Daniel Andrew Frost, Arizona State University, Tempe, AZ, United States, Sebastian Rost, University of Leeds, COMET, School of Earth and Environment, Leeds, United Kingdom and Edward Garnero, Arizona State University, EarthScope National Office, School of Earth and Space Exploration, Tempe, AZ, United States
15:10
Os-isotopic Compositions of Peridotite Xenoliths from the Oceanic Mantle: Implications for the Age of Isotopic Domains in the Oceanic Mantle. (Invited) (73323)
Matthew G Jackson, University of California Santa Barbara, Department of Earth Sciences, Santa Barbara, CA, United States, Steven B Shirey, Carnegie Institution of Washington, Washington, DC, United States, Erik H Hauri, Carnegie Institution for Science Washington, Washington, DC, United States and Mark D Kurz, WHOI, Woods Hole, MA, United States
15:25
High-pressure, temperature elasticity of Fe- and Al-bearing MgSiO3: implications for the Earth’s lower mantle (72881)
Shuai Zhang1, Sanne Cottaar2, Tao Liu3, Stephen Stackhouse4 and Burkhard Militzer1, (1)University of California Berkeley, Berkeley, CA, United States, (2)University of Cambridge, Cambridge, United Kingdom, (3)University of Leeds, Leeds, United Kingdom, (4)University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom