DI52A:
Structure, Dynamics, and Evolution of Earth's Deep Mantle II
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Session ID#: 16743
Session Description:
The lower mantle is an enigmatic and important region of the Earth, comprising a significant volume of the planet and driving much of the dynamics observed on the surface. For example, the lowermost layer of this region serves as a boundary between the iron-rich core and the silicate mantle. As such, it sets the heat flux out of the core, effectively regulating convection in the greater mantle and the generation of the geodynamo in the core. Additionally, the lower mantle serves as a graveyard for subducted slabs and as a region of plume generation, making its chemistry uncertain and heterogeneous. This session focuses on the dynamics and evolution of this region, including (but not limited to) seismic observations, high-pressure mineralogy and chemistry of relevant materials, dynamic simulations and geochemical models and observations through time.
Primary Convener: Chidester Bethany, University of Chicago, Chicago, United States
Conveners: Maxim Ballmer, University College London, ETH Zürich, London, United Kingdom, James M Wookey, University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom and Jasper G Konter, University of Hawaiʻi at Mānoa, Earth Sciences, Honolulu, HI, United States
Chairs: Maxim Ballmer, University College London, ETH Zürich, London, United Kingdom and Chidester Bethany, University of Chicago, Chicago, United States
OSPA Liaison: Chidester Bethany, University of Chicago, Chicago, United States
Cross-Listed:
Abstracts Submitted to this Session:
Sanne Cottaar, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom and Vedran Lekic, University of Maryland College Park, College Park, MD, United States
Jason P Morgan, Royal Holloway University of London, Egham, TW20, United Kingdom, Paola Vannucchi, University of Florence, Earth Sciences, Florence, Italy, Albert de Montserrat Navarro, Royal Holloway University of London, Egham, United Kingdom and James A Connolly, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
Jack Walpole1, James M Wookey2, Andy Nowacki3, Andrew Walker4, Guy Masters5, J Michael Kendall2 and Alessandro M Forte6, (1)University of Bristol, Bristol, United Kingdom, (2)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, (3)University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom, (4)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (5)University of California San Diego, IGPP, La Jolla, CA, United States, (6)University of Quebec at Montreal UQAM, Montreal, QC, Canada
Daoyuan Sun, University of Science and Technology of China, Hefei, China, Donald V Helmberger, California Institute of Technology, Pasadena, CA, United States and Jennifer M Jackson, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
Val Finlayson1, Jasper G Konter1, Kevin Konrad2, Allison A Price3, Anthony A P Koppers4 and Matthew G Jackson5, (1)University of Hawaii at Manoa, Department of Geology and Geophysics, Honolulu, HI, United States, (2)Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States, (3)University of California Santa Barbara, Department of Earth Sciences, Santa Barbara, CA, United States, (4)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, (5)University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States
Rhodri Davies, Australian National University, Research School of Earth Sciences, Canberra, Australia, Paula Koelemeijer, University College London, Department of Earth Sciences, London, United Kingdom, Bernhard S. A. Schuberth, Ludwig Maximilians University of Munich, Munich, Germany, Jeroen Ritsema, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, MI, United States and Arwen Fedora Deuss, Utrecht University, Utrecht, Netherlands
Qingyang Hu1, Duck Young Kim2, Wenge Yang3, Liuxiang Yang2,4, Yue Meng5, Li Zhang6 and Ho-kwang Mao2, (1)Geophysical Laboratory of the Carnegie Institution for Science, Washington, United States, (2)Center for High Pressure Science & Technology Advanced Research, Shanghai, China, (3)Florida International Univ., Miami, FL, United States, (4)Carnegie Inst-HPSynC, Argonne, IL, United States, (5)Carnegie Institution of Washington, HPCAT, Argonne, IL, United States, (6)Organization Not Listed, Washington, DC, United States
Jennifer M Jackson, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States, Natalia V Solomatova, California Institute of Technology, Pasadena, CA, United States, Wolfgang Sturhahn, California Institute of Technology, Seismological Laboratory, Pasadena, United States and Mathieu Roskosz, MNHN National Museum of Natural History Paris, Paris, France
Hanika Rizo, Carleton University, Department of Earth Sciences, Ottawa, ON, Canada, Richard J Walker, University of Maryland College Park, Department of Geology, College Park, MD, United States, Richard Carlson, Carnegie Inst Washington, Earth and Planets Laboratory, Washington, United States, Mary F Horan, Carnegie Institution for Science Washington, Washington, DC, United States, Sujoy Mukhopadhyay, Arizona State University, Department of Earth and Planetary Sciences, Tempe, AZ, United States, Don Francis, McGill University, Montreal, QC, Canada and Matthew G Jackson, University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States
