T51H:
Integrating Multiple Geo-observables to Robustly Constrain Crust and Uppermost Mantle Structure and Dynamics at Global and Continental Scales II

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Session ID#: 16606

Session Description:
Global lithosphere-uppermost mantle models based on different geo-observables often lead to differing images of the Earth. Established methods of seismic tomography, gravity, topography, EM and geodynamic modelling constrain physical properties, dependent upon temperature and composition within the Earth; theoretical and experimental petrology, geochemistry and mineral physics provide a basis to study in-situ properties of rocks from atomic to centimetric scales. The availability of high-resolution global geophysical datasets (terrestrial and satellite) combined with new computational petrology methods and laboratory studies offers an excellent opportunity to consistently image lithospheric structure and dynamic evolution. Modelling and interpreting multiple datasets enables multifaceted imaging of the thermochemical structure and dynamic state of the Earth; however, linking crust and upper mantle structure with geodynamic models at a global scale remains challenging.

We invite contributions focusing on crust and uppermost mantle properties and dynamic state from all solid Earth science disciplines at a global and continental scales.

Primary Convener:  Javier Fullea, Complutense University of Madrid, Physics of the Earth and Astrophysics, Madrid, Spain
Conveners:  Andrew J Schaeffer, University of Ottawa, Department of Earth and Environmental Sciences, Ottawa, ON, Canada, Sergei Lebedev, Dublin Institute for Advanced Studies, Dublin, Ireland and Joerg Ebbing, University of Kiel, Geosciences, Kiel, Germany
Chairs:  Javier Fullea, Complutense University of Madrid, Physics of the Earth and Astrophysics, Madrid, Spain and Andrew J Schaeffer, University of Ottawa, Department of Earth and Environmental Sciences, Ottawa, ON, Canada
OSPA Liaison:  Javier Fullea, Complutense University of Madrid, Physics of the Earth and Astrophysics, Madrid, Spain
Co-Organized with:
Tectonophysics, and Seismology

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
  • MR - Mineral and Rock Physics
  • S - Seismology
  • V - Volcanology, Geochemistry and Petrology

Proposed Co-Organized Session with:
  • S - Seismology
Index Terms:

8120 Dynamics of lithosphere and mantle: general [TECTONOPHYSICS]
8124 Earth's interior: composition and state [TECTONOPHYSICS]
8159 Rheology: crust and lithosphere [TECTONOPHYSICS]
8164 Stresses: crust and lithosphere [TECTONOPHYSICS]

Abstracts Submitted to this Session:

What can seismology tell us about water in the mantle transition zone? (Invited) (127120)
Laura J Cobden1, Vincent Thio2, Jeannot Trampert1 and Dan Frost3, (1)Utrecht University, Utrecht, Netherlands, (2)Utrecht University, Utrecht, 3584, Netherlands, (3)University of California Berkeley, Seismological Laboratory, Berkeley, CA, United States
A reference model for crust and uppermost mantle beneath Antarctica (146185)
Weisen Shen, Washington University, Department of Earth and Planetary Sciences, St Louis, MO, United States, Douglas Wiens, Washington University in St Louis, Department of Earth, Environmental, and Planetary Sciences, St. Louis, United States, Peter Gerstoft, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, Peter D Bromirski, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, Ralph A Stephen, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Richard C Aster, Colorado State University, Geosciences Department, Fort Collins, United States, Andrew Nyblade, Pennsylvania State University Main Campus, University Park, PA, United States, Jeremy Paul Winberry, Central Washington University, Ellensburg, WA, United States, Audrey D Huerta, Central Washington University, Dept. of Geological Sciences, Ellensburg, United States, Sridhar Anandakrishnan, Pennsylvania State University, Department of Geosciences and Earth and Environmental Systems Institute, University Park, United States, Samantha Elizabeth Hansen, The University of Alabama, Geological Sciences, Tuscaloosa, United States, Terry J Wilson, Ohio State University Main Campus, Columbus, OH, United States and David Heeszel, Nuclear Regulatory Commission, Washington, DC, United States
Alteration of the Lithosphere beneath Northeast China Inferred from Seismic Structure (177662)
Mengyu Wu1, Cédric P Legendre2, Yuan Tian3, Tong Zhou3, Jieyuan Ning3, Jiangang Han4, Li Zhao5 and Sergei Lebedev6, (1)University of Colorado Boulder, Department of Physics, Boulder, United States, (2)Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan, (3)ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, (4)University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, (5)Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan, (6)Dublin Institute for Advanced Studies, Dublin, Ireland
Thermo-chemical structure of the North China Craton from multi-observable probabilistic inversion: extent and causes of cratonic lithosphere modification (169844)
Juan Carlos Afonso, Macquarie University, ARC Centre of Excellence for Core to Crust Fluid Systems and GEMOC, Sydney, Australia, Zhen Guo, Macquarie University, Sydney, NSW, Australia, Mehdi Qashqai, Macquarie University, Sydney, Australia, Yingjie Yang, Macquarie University, ARC Centre of Excellence for Core to Crust Fluid Systems and GEMOC, Sydney, NSW, Australia and John Chen, Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China
The role of the lithosphere for isostasy and dynamic topography (147034)
Joerg Ebbing1, Wolfgang Szwillus2 and Alexander Zink1, (1)University of Kiel, Geosciences, Kiel, Germany, (2)University of Kiel, Kiel, Germany
Joint inversion of GOCE gravity gradients and surface waves. (157298)
Islam Fadel, University of Twente, Earth System Analysis, Enschede, 7500, Netherlands, Mark van der Meijde, University of Twente, Earth Systems Analysis, Enschede, Netherlands, Hanneke Paulssen, Utrecht University, Dept. of Earth Sciences, Utrecht, Netherlands and Max Moorkamp, Ludwig Maximilians University of Munich, Earth and Environmental Sciences, Munich, Germany
Barents Sea Crustal and Upper Mantle Structure from Deep Seismic and Potential Field Data (171164)
Iselin Aarseth, University of Bergen, Bergen, Norway, Rolf Mjelde, Department of Earth Science, University of Bergen, Bergen, Norway, Asbjorn J Breivik, University of Oslo, Center for Earth Evolution and Dynamics (CEED), Oslo, Norway, Alexander Minakov, University of Oslo, Centre for Earth Evolution and Dynamics (CEED), Oslo, Norway, Ritske S Huismans, University of Bergen, Department of Earth Science, Bergen, Norway and Jan Inge Faleide, University of Oslo, Oslo, Norway
Combining seismology and petrology to study the variation in crustal discontinuity strength along the Lesser Antilles Arc (178437)
David Schlaphorst1, Elena Melekhova2, J Michael Kendall3, Jon D Blundy2, Brian Baptie4 and Joan L Latchman5, (1)Instituto Dom Luiz (IDL), Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal, Portugal, (2)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (3)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, (4)British Geological Survey, Edinburgh, United Kingdom, (5)Organization Not Listed, Washington, DC, United States

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