T54A:
Three-Dimensional Observations and Models of Lithospheric Extension III

Session ID#: 4849

Friday, 19 December 2014: 4:00 PM-6:00 PM
304 (Moscone_South)
Chairs:  Timothy J Reston, University of Birmingham, Birmingham, United Kingdom and Javier Escartin, Institut de Physique du Globe, Paris, France
Primary Convener:  Dale S Sawyer, Rice University, Houston, TX, United States
Co-conveners:  Timothy A Minshull, University of Southampton, Ocean and Earth Science, Southampton, SO14, United Kingdom and Timothy J Reston, University of Birmingham, Birmingham, United Kingdom
OSPA Liaison:  Dale S Sawyer, Rice University, Houston, TX, United States
Co-Sponsor(s):
  • S - Seismology
Index Terms:

7218 Lithosphere [SEISMOLOGY]
7294 Seismic instruments and networks [SEISMOLOGY]
8105 Continental margins: divergent [TECTONOPHYSICS]
8109 Continental tectonics: extensional [TECTONOPHYSICS]
Virtual Option?: No

Abstracts Submitted to this Session:

T54A-01
Insights into the internal structure and formation of striated fault surfaces of oceanic detachments from in situ observations (13°20’N and 13°30’N, Mid-Atlantic Ridge) (Invited) (5111)
Javier Escartin1, Diane Bonnemains1, Catherine Mevel1, Mathilde Cannat1, Sven Petersen2, Nico Augustin2, Antoine Bezos3, Valérie Chavagnac4, Yujin Choi1, Marguerite Godard5, Kristian Haaga6, Cedric Hamelin7, Benoit Ildefonse5, John William Jamieson8, Barbara E John9, Thomas Leleu4, Christopher J MacLeod10, Miquel Massot-Campos11, Paraskevi Nomikou12, Jean-Arthur L Olive13, Marine Paquet1, Celine Rommevaux1, Marcel Rothenbeck2, Anja Steinführer2, Masako Tominaga14, Lars Triebe2, Muriel Andreani15, Rafael Garcia16 and Ricard Campos16, (1)Institut de Physique du Globe de Paris, Paris, France, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)University of Nantes, Nantes, France, (4)University of Toulouse, Toulouse, France, (5)University of Montpellier II, Montpellier Cedex 05, France, (6)University of Bergen, Bergen, Norway, (7)Independant scholar, Bergen, Norway, (8)Memorial University of Newfoundland, Earth Sciences, St John's, NL, Canada, (9)University of Wyoming, Geology & Geophysics, Laramie, United States, (10)Cardiff University, Cardiff, United Kingdom, (11)Universitat de les Illes Balears, Palma de Majorca, Spain, (12)Laboratory of Physical Geography, National and Kapodistrian University of Athens, Department of Geology and Geoenvironment, Athens, Greece, (13)WHOI, Woods Hole, United States, (14)Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, MA, United States, (15)University Claude Bernard Lyon 1, Villeurbanne, France, (16)University of Girona, Girona, Spain
T54A-02
Kinematic Analysis of Normal Faults from 3D Seismics within the Otway Basin, Australia: Evidence for Oblique Movement in a Passive Margin (12340)
David Colin Tanner, Jennifer Ziesch, Thies Beilecke and Charlotte M Krawczyk, Leibniz Institute for Applied Geophysics, Hannover, Germany
T54A-03
3D P-Wave Velocity Structure of the Deep Galicia Rifted Margin (15383)
Gaye Bayrakci1, Timothy A Minshull2, Richard G Davy3, Dale S Sawyer4, Dirk Klaeschen5, Cord A Papenberg5, Timothy J Reston6, Donna J Shillington7 and Cesar R Ranero8, (1)University of Southampton, O, Southampton, SO14, United Kingdom, (2)University of Southampton, Ocean and Earth Science, Southampton, SO14, United Kingdom, (3)University of Southampton, Southampton, SO14, United Kingdom, (4)Rice University, Houston, TX, United States, (5)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (6)University of Birmingham, Birmingham, United Kingdom, (7)Northern Arizona University, School of Earth and Sustainability, Flagstaff, AZ, United States, (8)ICM-CSIC, Barcelona Center for Subsurface Imaging, ICREA at CSIC, Instituto de Ciencias del Mar, Barcelona, Spain, Barcelona, Spain
T54A-04
Magmatic Versus Amagmatic Rifting in the East African Rift System from Pn and Sn Tomography (15255)
John Paul O'Donnell, Penn State University, State College, PA, United States and Andrew Nyblade, Pennsylvania State University, Department of Geosciences, University Park, United States
T54A-06
A Joint Inversion for Velocity and Anisotropy Structure Beneath a Highly Extended Continental Rift (10698)
Zachary Eilon1, Geoffrey A Abers2, James B Gaherty3 and Ge Jin1, (1)Columbia University in the City of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Cornell University, Ithaca, NY, United States, (3)Columbia University in the City of New York, Lamont-Doherty Earth Observatory, Palisades, United States
T54A-07
Rift Structure in Eastern Papua New Guinea From the Joint Inversion of Receiver Functions and Seismic Noise (29305)
Mathias Janek Obrebski, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Geoffrey A Abers, Cornell University, Ithaca, NY, United States, Ge Jin, LDEO, Columbia Univ., Palisades, NY, United States and Zachary Eilon, Lamont-Doherty Earth Observatory, Palisades, NY, United States
T54A-08
Crustal structure variations along the NW-African continental margin: a comparison of new and existing models from wide angle and reflection seismic data (15966)
Youssef Biari1, Frauke Klingelhoefer2, Mohamed Sahabi3, Daniel Aslanian1, Schnurle Philippe2, Keith E Louden4, Kai Berglar5, Maryline Moulin1, Khalid Mehdi3, David Graindorge6, Mikael Evain1, Massinissa Benabellouahed1 and Christian J Reichert5, (1)IFREMER, Plouzané, France, (2)Geo-Ocean, Univ Brest, CNRS, Ifremer, UMR6538, Plouzané, France, (3)University of Chouaïb Doukkali, Department of Geology, El Jadida, Morocco, (4)Dalhousie University, Halifax, NS, Canada, (5)BGR Federal Institute for Geosciences and Natural Resources, Hannover, Germany, (6)Geo-Ocean, Univ Brest, CNRS, Ifremer, UMR5638, Plouzané, France
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