Multidisciplinary Perspectives on Mantle Plumes: Predictions and Observations from Source to Surface I

Wednesday, 17 December 2014: 4:00 PM-6:00 PM
Chairs:  Anna M Courtier, University of Wisconsin Whitewater, Whitewater, WI, United States and Anthony A P Koppers, Oregon State University, Corvallis, OR, United States
Primary Conveners:  Anna M Courtier, James Madison University, Harrisonburg, VA, United States
Co-conveners:  Anthony A P Koppers, Oregon State University, Corvallis, OR, United States, Garrett Ito, Univ Hawaii, Honolulu, HI, United States and Nicholas C. Schmerr, University of Maryland, College Park, MD, United States
OSPA Liaisons:  Nicholas C Schmerr, University of Maryland College Park, College Park, MD, United States

Abstracts Submitted to this Session:

4:00 PM
Deep Mantle Structure As a Reference Frame for Absolute Plate Motions
Trond Helge Torsvik1, Rob Van Der Voo2, Pavel V Doubrovine3, Kevin C Burke4, Bernhard M Steinberger5 and Mat Domeier3, (1)University of Oslo, Centre for Earth Evolution and Dynamics (CEED), Oslo, Norway, (2)Univ Michigan, Ann Arbor, MI, United States, (3)University of Oslo, Oslo, Norway, (4)University of Houston, Houston, TX, United States, (5)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
4:15 PM
Hotspot Motion, Before and After the Hawaiian-Emperor Bend
John Anthony Tarduno1,2 and Richard K. Bono2, (1)University of Rochester, Department of Physics & Astronomy, Rochester, NY, United States, (2)University of Rochester, Department of Earth & Environmental Sciences, Rochester, NY, United States
4:30 PM
High Resolution 40Ar/39Ar Geochronology of the Tuvalu Seamount Chain: Implications for Hotspot Longevity and Pacific Plate Motion.
Kevin Konrad1, Valerie A Finlayson2, Anthony A P Koppers1, Jasper Konter2 and Matthew G Jackson3, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States, (2)University of Hawaii at Manoa, Department of Geology and Geophysics, Honolulu, HI, United States, (3)University of California Santa Barbara, Department of Earth Sciences, Santa Barbara, CA, United States
4:45 PM
Geographic Patterns of Volcanism at Intraplate Hotspots
Rohan Kundargi and Paul S Hall, Boston University, Boston, MA, United States
5:00 PM
Dynamics and geometry of thermal plumes in the laboratory and the mantle
Neil Cagney1, William H. Newsome2 and Carolina R Lithgow-Bertelloni1, (1)University College London, London, United Kingdom, (2)University of Michigan Ann Arbor, Department of Geological Sciences, Ann Arbor, MI, United States
5:15 PM
RHUM-RUM, a Large-Scale Effort to Seismologically Image a Mantle Plume Under the Reunion Hotspot: Experiment Presentation and Initial Results
Karin Sigloch, University of Oxford, Oxford, United Kingdom and Guilhem Barruol, CNRS, IPG Paris, Universite de La Reunion, Saint Denis Cedex 9, France
5:30 PM
Seismic Imaging of Thickened Lithosphere Caused by Plume Pulsing beneath Iceland
Catherine Rychert, University of Southampton, Southampton, SO14, United Kingdom and Nicholas Harmon, University of Southampton, Southampton, United Kingdom
5:45 PM
Contrasting Mantle Plume Structure: Imaging Hawaii, Iceland and Yellowstone
Richard M Allen, Cheng Cheng and William Bythewood Hawley, UC Berkeley Seismological Laboratory, Berkeley, CA, United States