DI51A:
Interdisciplinary Perspectives on Mantle Melting and Volcanism I Posters

Submit an Abstract to this Session



Session ID#: 23792

Session Description:
Melting within the Earth, across a range of depths, has fundamental consequences for planetary dynamics and evolution. Yet, questions regarding source composition, melt migration and distribution, in situ melt fraction, and magma storage and evolution remain unanswered. We invite contributions from studies of asthenosphere/lithosphere melting in various tectonic environments (e.g., mid-ocean ridges, subduction zones, hotspots), as well as deep planetary melting (e.g., transition zone, magma ocean). Topics covered by this session include: (1) magmatic processes in the presence of volatiles and heterogeneous rock assemblages, (2) melt migration and melt-rock interaction, (3) melting and solidification at the core-mantle boundary, (4) imaging melt within the Earth through seismic or magnetotelluric approaches, (5) plume vs. non-plume origin of intraplate volcanism, and (6) magmatic processes and the evolution of magmas in the early Earth. We solicit research that combines the strengths of geochemistry, petrology, geology, geodynamics, geophysics, and mineral physics.
Primary Convener:  Juliane Dannberg, Colorado State University, Fort Collins, CO, United States
Conveners:  Zachary Eilon, University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States, Jin Liu, Yanshan University, Qinhuangdao, China and Ananya Mallik, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany
Chairs:  Juliane Dannberg, Colorado State University, Fort Collins, CO, United States, Jin Liu, Yanshan University, Qinhuangdao, China and Ananya Mallik, Bayerisches Geoinstitut, Universitaet Bayreuth, Bayreuth, Germany
OSPA Liaison:  Juliane Dannberg, Colorado State University, Fort Collins, CO, United States
Co-Organized with:
Study of Earth's Deep Interior, Mineral and Rock Physics, Seismology, and Volcanology, Geochemistry and Petrology

Cross-Listed:
  • T - Tectonophysics
Index Terms:

3619 Magma genesis and partial melting [MINERALOGY AND PETROLOGY]
7280 Volcano seismology [SEISMOLOGY]
8145 Physics of magma and magma bodies [TECTONOPHYSICS]
8434 Magma migration and fragmentation [VOLCANOLOGY]

Abstracts Submitted to this Session:

Electrical structure of the lithosphere across the Western Paraná suture zone: the role of a Neoproterozoic-Cambrian subduction in generating the Paraná Magmatic Province (264802)
Gabriel Negrucci Dragone1, Mauricio Bologna2, Mario E Gimenez3, Orlando Alvarez3, Federico Gustavo Lince Klinger3, Sebastián Correa-Otto3 and Naomi Ussami2, (1)Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, departamento de geofísica, São Paulo, Brazil, (2)Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, São Paulo, Brazil, (3)CONICET, Instituto Geofísco-Sismólogico Volponi, Universidad Nacional de San Juan, San Juan, Argentina
Convection in horizontal decompaction channels at the base of the lithosphere (283053)
Joe Schools, University of Maryland College Park, College Park, MD, United States and Laurent Montesi, University of Maryland College Park, Department of Geology, College Park, MD, United States
Magma emplacement in 3D (246927)
Weronika Gorczyk, University of Western Australia, Crawley, WA, Australia and Katharina Vogt, Utrecht University, Utrecht, Netherlands
Evolution of whole-mantle plumes: Consequences for hotspot volcanism (251720)
Maxim Ballmer, University College London, ETH Zürich, London, United Kingdom, Thomas Duvernay, Australian National University, Research School of Earth Sciences, Canberra, Australia and John M O'Connor, Alfred Wegener Institute, Bremerhaven, Germany
Interaction between Edge-Driven Convection and Mantle Plumes (254889)
Antonio Manjón-Cabeza Córdoba, Univ. Oslo, CEED, Oslo, Norway and Maxim Ballmer, Tokyo Institute of Technology, Tokyo, Japan
Geochemistry of the Seamounts at the Southeast Chatham Rise, New Zealand (230998)
Ester Munoz Jolis1, Kaj Hoernle1, Folkmar Hauff1, Dieter Garbe-Schönberg2, Reinhard Werner1 and Karsten Gohl3, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)CAU Kiel, Institute of Geosciences, Kiel, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Geophysics, Bremerhaven, Germany
The effects of pressure, temperature and composition on olivine-liquid exchange coefficients (273968)
Andrew K Matzen, University of Oxford, Oxford, United Kingdom and Bernard J Wood, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom
Assessing δ18O heterogeneity in Icelandic olivine crystals (274198)
Maja Bar Rasmussen1,2, Saemundur A Halldorsson1, Martin J Whitehouse3, Sally A Gibson4 and David R Hilton5, (1)University of Iceland, NordVulk, Institute of Earth Sciences, Reykjavik, Iceland, (2)Nordic Volcanological Center, Reykjavik, Iceland, (3)Swedish Museum of Natural History, Department of Geosciences, Stockholm, Sweden, (4)Univeristy of Cambridge, Cambridge, United Kingdom, (5)UCSD-SIO, La Jolla, CA, United States
Timing of pyroxenite formation in supra-subduction Josephine Ophiolite, Oregon. (283129)
Taylor Hough, Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, TX, United States, Véronique Le Roux, Woods Hole Oceanographic Inst, Geology & Geophysics Department, Woods Hole, United States and Mark D Kurz, WHOI, Department of Marine Chemistry & Geochemistry, Woods Hole, United States
Pressures of Partial Crystallization along the Galapagos Spreading Center (284231)
Katherine Haines, Adam Green and Michael Barton, Ohio State University Main Campus, Columbus, OH, United States

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