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Orals TS6.1/GD5.4

TS6.1/GD5.4

The evolution and architecture of rifts, rifted passive margins, and mid oceanic ridges: from mantle dynamics to surface processes (co-organized)
Convener: Ritske S. Huismans  | Co-Conveners: Guillaume Duclaux , Delphine Rouby , Magdalena Scheck-Wenderoth , César R. Ranero 
Orals
 / Fri, 28 Apr, 08:30–12:00  / 13:30–17:00  / Room D3
Posters
 / Attendance Fri, 28 Apr, 17:30–19:00  / Hall X2

Friday, 28 Apr 2017
Room D3
Chairperson: Ritske Huismans and Guillaume Duclaux
Rift Evolution and Structural Organisation

08:30–08:45
EGU2017-3899
Analysing the deformation width of transtensional rifted margins
Ludovic Jeanniot and Susanne Buiter
08:45–09:00
EGU2017-2670
Polyphase evolution of continental rifting over active mantle upwelling: Spatial and temporal aspects of transition between wide and narrow rifts Highlight
Alexander Koptev, Evgueni Burov, Taras Gerya, Laetitia Le Pourhiet, Sylvie Leroy, Eric Calais, and Laurent Jolivet
09:00–09:15
EGU2017-18707
The Afar-Red Sea-Gulf of Aden volcanic margins system : early syn-rift segmentation and tectono-magmatic evolution
Martin Stab, Sylvie Leroy, Nicolas Bellahsen, Raphaël Pik, Dereje Ayalew, Gezahegn Yirgu, and Khaled Khanbari
09:15–09:30
EGU2017-12520
Symmetry during the syn- and post-rift evolution of extensional back-arc basins: the role of inherited orogenic structures
Attila Balazs, Evgueni Burov, Liviu Matenco, Katharina Vogt, Thomas Francois, and Sierd Cloetingh
09:30–09:45
EGU2017-11426
Deep structure offshore Eastern Australia from wide-angle seismic data: what controls crustal segmentation along the rifted oceanic basins and the Lord Howe Rise?
Flora Gallais, Gou Fujie, Shuichi Kodaira, Seiichi Miura, Brian Boston, Yasuyuki Nakamura, Ron Hackney, Saneatsu Saito, Kazuya Shiraishi, Yuka Kaiho, Yasuhiro Yamada, Scott Nichol, George Bernardel, and Cameron Mitchell and the IODP 871-CPP Proponent Team and the KR16-05 Scientists
09:45–10:00
EGU2017-7150
Fault linkage and continental breakup
Derren Cresswell, Gaël Lymer, Tim Reston, Carl Stevenson, Jonathan Bull, Dale Sawyer, and Julia Morgan and the Galicia 3D working group (4, 5)
Coffee break
Rifting and the importance of Surface Processes

10:30–10:45
EGU2017-6742
Sedimentary Flux to Passive Margins From Inversion of Drainage Patterns: Examples from Africa
Bhavik Harish Lodhia, Gareth G Roberts, and Alastair Fraser
10:45–11:00
EGU2017-8764
Relating modes of extension to the spatial and temporal distribution of major sediment unconformities at passive margins
Miguel Andrés-Martínez, Marta Pérez-Gussinyé, John Armitage, and Jason P. Morgan
11:00–11:15
EGU2017-9713
Long-term coupling and feedbacks between surface processes and tectonics during rifting
Thomas Theunissen and Ritske S. Huismans
11:15–11:30
EGU2017-7977
3D thermal modelling within the Lofoten-Vesterålen segment of the Mid-Norwegian continental margin
Yuriy P. Maystrenko, Laurent Gernigon, Sofie Gradmann, and Odleiv Olesen
11:30–11:45
EGU2017-15206
The Minorca Basin: a buffer zone between the Valencia and Liguro-Provençal Basins (NW Mediterranean Sea)
Romain Pellen, Daniel Aslanian, Marina Rabineau, Estelle Leroux, Christian Gorini, Carmine Silenziario, Christian Blanpied, and Jean-Loup Rubino
11:45–12:00
EGU2017-18308
Quantifying the thermal evolution of early passive margins formation and its consequences on the structure of passive margins
Romain Bousquet and Thierry Nalpas
Lunch break
Rifting and Magmatic Activity (I)

13:30–13:45
EGU2017-8806
Finding Massive Sulfides at Mid-Ocean Ridges (solicited) Highlight
Udo Barckhausen, Ingo Dressel, Axel Ehrhardt, Ingo Heyde, Ulrich Schwarz-Schampera, Bernd Schreckenberger, and Katrin Schwalenberg
13:45–14:00
EGU2017-5330
Formation and evolution of the Lithosphere Asthenosphere Boundary and oceanic crustal Layer 2A across the Atlantic Ocean from 0 to 75 Ma using ultra-deep seismic reflection imaging technique (solicited) Highlight
Satish Singh, Fares Mehouachi, Pranav Audhkhasi, and Milena Marjanovic
14:00–14:15
EGU2017-12949
Ocean-Continent Transition Structure of the Pelotas Magma-Rich Continental Margin, South Atlantic
Caroline Harkin, Nick Kusznir, Alan Roberts, Gianreto Manatschal, and Ken McDermott
14:15–14:30
EGU2017-941
Comparison of magmatic and amagmatic rift zone kinematics using full moment tensor inversions of regional earthquakes
Sarah Jaye Oliva, Cynthia Ebinger, Donna Shillington, Julie Albaric, Anne Deschamps, Derek Keir, and Connor Drooff
14:30–14:45
EGU2017-11665
Depth-dependent rifting and lithospheric counterflow control on magmatism at passive margins
Gang Lu and Ritske Huismans
14:45–15:00
EGU2017-8243
A global census of continental rift activity since 250 Ma reveals a missing element of the deep carbon cycle
Sascha Brune, Simon Williams, and Dietmar Müller
Coffee break
Rifting and Magmatic Activity (II)

15:30–15:45
EGU2017-8183 | presentation | presentation
Comparative riftology: insights from crustal structure into the evolution of continental rifts and passive continental margins
Jonas Kley, Carol Stein, Seth Stein, Randy Keller, Michael Wysession, and Andrew Frederiksen
15:45–16:00
EGU2017-7337
Breaking the paradigm at magma-poor and magma-rich rifted margins
Julie Tugend, Gianreto Manatschal, Morgane Gillard, Michael Nirrengarten, Marie-Eva Epin, Daniel Sauter, Julia Autin, Caroline Harkin, and Nick Kusznir
Non Volcanic Passive Margins

16:00–16:15
EGU2017-8898
Wide-angle seismic constraints on hyper-extended crust at the Deep Galicia Margin
Tim Minshull, Richard Davy, Gaye Bayrakci, Joanna Morgan, Tim Reston, Dale Sawyer, Jon Bull, Dirk Klaeschen, and Cord Papenberg
16:15–16:30
EGU2017-16779
Slip on serpentine detachments at magma-poor margins
Timothy Reston, Gael Lymer, Derren Cresswell, Carl Stevenson, Jonathan Bull, Dale Sawyer, Julia Morgan, and Galicia 3D working group
16:30–16:45
EGU2017-6229
Architecture of ductile-type, hyper-extended passive margins: Geological constraints from the inverted Cretaceous basin of the North-Pyrenean Zone (‘Chaînons Béarnais’, Western Pyrenees)
Benjamin Corre, Yves Lagabrielle, Pierre Labaume, Abdeltif Lahfid, Philippe Boulvais, Geraldine Bergamini, Serge Fourcade, and Camille Clerc
16:45–17:00
EGU2017-7554
3D architecture, importance of inheritance and structural evolution of an extensional detachment system related to crustal thinning and exhumation: example of the Err detachment (SE Switzerland)
Marie-Eva Epin and Gianreto Manatschal