DI43A:
Multidisciplinary Perspectives on Mantle Plumes: Predictions and Observations from Source to Surface II Posters

Thursday, 18 December 2014: 1:40 PM-6:00 PM
Chairs:  Garrett Ito, Univ Hawaii, Honolulu, HI, United States and Nicholas C Schmerr, University of Maryland College Park, College Park, MD, 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:

 
Of Mantle Plumes, Their Existence, and Their Nature: Insights from Whole Mantle SEM-Based Seismic Waveform Tomography
Scott W French1 and Barbara A Romanowicz1,2, (1)Berkeley Seismological Laboratory, UC Berkeley, Berkeley, CA, United States, (2)Institut de Physique du Globe de Paris, Paris, France
 
The Residual of the Oki-Daito Plume in the Lower Mantle with the P wave Arrival-time Delays
Huihui Cui, Yuanze Zhou, Guohui Li and Xiaoran Wang, UCAS University of Chinese Academy of Sciences, Beijing, China
 
Topography of Upper Mantle Seismic Discontinuities Beneath the North Atlantic: The Azores, Canary and Cape Verde Plumes
Morvarid Saki1, Christine Thomas1, Stuart E.J. Nippress2 and Stephan Lessing1, (1)University of Münster, Münster, Germany, (2)AWE Blacknest, Reading, RG7, United Kingdom
 
P-wave travel-time tomography reveals multiple mantle upwellings beneath the northern East-Africa Rift
James O S Hammond1, Chiara Civiero2, Saskia D B Goes1, Abdulhakim Ahmed3, Atalay Ayele4, Cecile Doubre5, Berhe Goitom6, Derek Keir7, Michael Kendall8, Sylvie D Leroy3, Ghebrebrhan Ogubazghi9, Georg Rumpker10 and Graham William Stuart11, (1)Imperial College London, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)University Pierre and Marie Curie Paris VI, Paris, France, (4)Addis Ababa University, Addis Ababa, Ethiopia, (5)University of Strasbourg, Strasbourg Cedex, France, (6)University of Bristol, Bristol, United Kingdom, (7)University of Southampton, Southampton, United Kingdom, (8)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (9)Eritrea Institute of Technology, Asmara, Eritrea, (10)Goethe University Frankfurt, Frankfurt, Germany, (11)University of Leeds, Leeds, United Kingdom
 
Determining resolvability of mantle plumes with synthetic seismic modeling
Ross Maguire1, Peter E Van Keken1, Jeroen Ritsema1, Andreas Fichtner2 and Saskia D B Goes3, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)Imperial College London, London, SW7, United Kingdom
 
The Role of Geometrically Restricted Large Low Shear Velocity Province Source Material on Hotspot Volcanism
Emma Baker and Eric L Mittelstaedt, University of Idaho, Moscow, ID, United States
 
The Effect of Plumes on the Dynamics of Supercontinents in a Self-Consistent Plate Tectonics Setting
Charitra Jain, Antoine Rozel and Paul J Tackley, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
 
Evolution of the central Atlantic hot spots cluster in the last 100 Myr: interaction between plate tectonics, a lower mantle thermochemical instability and upper mantle secondary plumes
Aurore Sibrant1,2, Anne Davaille2, Fernando Ornelas Marques3 and Anthony Hildenbrand1, (1)Lab. GEOPS / University Paris-Sud, Orsay Cedex, France, (2)CNRS / University Paris-Sud, Laboratoire FAST, ORSAY, France, (3)Universidade de Lisboa, Lisbon, Portugal
 
Preserving Deep Mantle Structure in Hotspot Lavas
Timothy D Jones1, Rhodri Davies1, Ian H Campbell1, Cian R Wilson2 and Stephan C Kramer3, (1)Australian National University, Canberra, ACT, Australia, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)Imperial College, London, United Kingdom
 
New Insights into the Morphology of the Galapagos Platform from Lower Crustal Flow Models
Felipe Orellana Rovirosa and Mark A Richards, University of California Berkeley, Berkeley, CA, United States
 
The role of heat source for spatio-temporal variations of mantle plumes
Ichiro Kumagai, Meisei University, Tokyo, Japan, Yasuko Yamagishi, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Department of mathematical science and advanced Technology (MAT), Kanagawa, Japan and Anne Davaille, CNRS / University Paris-Sud, Laboratoire FAST, ORSAY, France
 
Effect of partial melting on small scale convection atop a mantle plume
Diane Arcay1, Roberto Agrusta2, Andrea Tommasi3 and Alicia Gonzalez3, (1)CNRS, Paris Cedex 16, France, (2)University of Durham, Durham, United Kingdom, (3)University of Montpellier II, Montpellier Cedex 05, France
 
Testing links between mantle plumes and true polar wander
Athena E Eyster, Richard J O'Connell and Francis A Macdonald, Harvard University, Cambridge, MA, United States
 
SPATIAL DISTRIBUTION, DENSITY STRUCTURE, AND RELATIONSHIP OF INTRUSIVE AND EXTRUSIVE VOLCANICS OF SEAMOUNTS ALONG THE NORTHWEST HAWAIIAN RIDGE
Jonathan Patrick Tree1, Garrett Ito2, Michael O Garcia2, Christopher Kelley2, Paul Wessel2, Brian Shiro2, Brian Boston2, Harrison Togia1 and John R Smith Jr2, (1)University of Hawaii at Manoa, Honolulu, HI, United States, (2)Univ Hawaii, Honolulu, HI, United States
 
An Evaluation of the Complex Age Progression along the Cook-Austral Islands Using High-resolution 40Ar/39Ar Incremental Heating Ages
Joanna Rose and Anthony A P Koppers, Oregon State University, Corvallis, OR, United States
 
Explaining Tristan-Gough Plume Dynamics with New Age Data from Multiple Age-Progressive Seamount Sub-Tracks in the Young Walvis Ridge Guyot Province
Susan Schnur, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Anthony A P Koppers, Oregon State University, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States, Cornelia Class, Lamont -Doherty Earth Observatory, Palisades, NY, United States and William W Sager, University of Houston, Earth and Atmospheric Sciences, Houston, TX, United States
 
A top to bottom stratigraphic investigation of two transects through the Ethiopian flood basalt province
Susan R Krans1, Tyrone O Rooney2, John W Kappelman3, Dereje Ayalew4 and Gezahegn Yirgu4, (1)Michigan State University, Geological Sciences, East Lansing, MI, United States, (2)Michigan State University, East Lansing, MI, United States, (3)University of Texas at Austin, Anthropology, Austin, TX, United States, (4)Addis Ababa University, School of Earth Sciences, Addis Ababa, Ethiopia
 
Age constraints on basalt samples from a transect across the Lau Basin: supporting evidence for modification by multiple mantle sources.
Christopher Scott Conatser1, Anthony A P Koppers1, Matthew G Jackson2, Jasper G Konter3, Allison A Price2 and Kevin Konrad4, (1)Oregon State University, Corvallis, OR, United States, (2)University of California Santa Barbara, Department of Earth Sciences, Santa Barbara, CA, United States, (3)University of Texas at El Paso, El Paso, TX, United States, (4)Oregon State University, Salem, OR, United States