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Preliminary program

Program CIRAH-MUSCAT

Sunday 8 September 2024

20h: Informal icebreaker in a bar in Brest

Monday 9 September 2024, amphitheater A, IUEM Plouzané

9 :00 – 09 :30 – Welcome and Coffee

Session 1 – Tectonics and structural transform faults

9 :3010 :00 Marcia MAIA (GO) / Manon BICKERT (GO)Welcome Introduction.

10:00 – 10:30 Marco LIGI (ISMAR CNR) / Marco Cuffaro (IGAG CNR) – Oceanic slow-slip long-offset transforms: focus on the Charlie Gibbs transform fault system.

10:30 – 11 :00 Jean-Arthur OLIVE (CNRS ENS) – Growth and Decay of Abyssal Hills.

11:00 – 11:30 Coffee Break – poster session

11 :30 – 12 :00 Eleonora FICINI (IGAG CNR) –  Numerical modelling of the Charlie Gibbs transform system: kinematics, temperature, melting.

12:00 – 12:30 Open discussion.

12:30 – 14:00 Lunch in the IUEM Hall

Session 2 – Petrology, geochemistry and geodynamics

14 :00 – 14 :30 Alessio SANFILIPPO (University of Pavia) – Peridotites from the Charlie Gibbs transform system.

14 :30 – 15 :00 Valentin BASCH (University of Pavia) – Basalt chemistry across the Charlie-Gibbs transform system.

15 :00 – 15 :30 Olivier Rouxel (Ifremer)Hydrothermal Fluxes and Ocean-Lithosphere-Biosphere Interactions in the Deep Sea.

15:30 – 16:00 Coffee Break – poster session

16:0016:30 Anne Briais (CNRS Geo-Ocean) – Is the Charlie-Gibbs transform fault the southern limit of the Iceland hotspot on the Mid-Atlantic Ridge?

16:3018:00 Collective discussion – wrap-up Sessions 1 & 2.

18 :15 Departure for Brest, dinner on your own expenses (Note: Celtic dance on Tara Inn every Monday!)

Tuesday 10 September 2024, amphitheater A, IUEM Plouzané

9 :00 – 09:30 – Welcome and Coffee

Session 3 – Oceanology, Climate & Biology

09 :30 – 10 :00 Clément Vic / Jonathan Gula (LOPS) – Circulation in the North Atlantic Subpolar Gyre, a focus on the Reykjanes Ridge and around the Charlie-Gibbs Fracture Zone.

10 :00 – 10:30 David Johnson (University of Edinburgh) – Charlie-Gibbs Fracture Zone Hope Spot: A migratory Michelin Star Destination.

10:30 – 11:00 Wrap-up Session 3.

11:00 – 11:30 Coffee Break  – poster session

11 :30 – 12:30 Collective discussion.

12:30 – 14:00 Lunch in the IUEM Hall

14:00 – 14:30 Javier ESCARTIN (ENS) – First results from Ulyx, the new AUV 6000.

14:30 – 15:30 Spontaneous presentations & collective discussion.

15:30 – 16:00 Coffee Break  – poster session

16:00 – 17h30 Collective discussion.

17:30 – 20:00 Visit of the Pointe St Matthieu

20:00   Dinner at the Hostellerie de la Pointe St Matthieu  

Wednesday 11 September, amphitheater A, IUEM Plouzané

9 :00 – 09:30 – Welcome and Coffee

09:30 – 11:00 Collective discussion – set up of the main research questions.

11:00 – 11:30 Coffee Break

11 :30 – 12 :30 Collective discussion – set up of the main research questions.

12:30 – 14:00 Lunch in the IUEM Hall

14:00 – 15:30 Collective discussion – set up of the main research objectives.

15:30 – 16:00 Coffee Break

16:00 – 17h30 Final collective discussion – set up of the main research objectives.

            18:00 Departure for Brest, dinner on your own expenses

Thursday 12 September 2024, short course in IUEM – room B-220

9 :00 – 09:30 – Welcome and Coffee

09 :30 – 10:00 Marcia MAIA & Manon BICKERT – presentation of the two sessions:

            Virtual Reality at Charlie-Gibbs Fracture Zone

Presentation of the instruments for deep-sea exploration

            10 :00 – 11 :00 Group I: Virtual Reality (B-220), Group II Exploration Tools (amphi A)

11:00 – 11:30 Coffee Break

11 :30 – 12 :30 Group I: Virtual Reality (B-220), Group II Exploration Tools (amphi A)

12:30 – 14:00 Lunch in the IUEM Hall

            14:00 – 16:30  Group I Exploration Tools (amphi A), Group II: Virtual Reality (B-220)

15:30 – 16:00 Coffee Break

14:00 – 16:30 Group I Exploration Tools (amphi A), Group II: Virtual Reality (B-220)

16:30 – 17:00 Wrap-up, end of the training session

POSTER session (during coffee breaks)

Anne Briais (CNRS Geo-Ocean) – TBA

Guilherme de Melo (GEOMAR) – Rupture length of the 2015 Mw 7.1 Charlie-Gibbs earthquake from hydroacoustic records.

Guilherme de Melo (GEOMAR) – Local seismicity surrounding the Atobá Ridge in the slow-slipping St. Paul transform system, equatorial Atlantic.

Jean-Baptiste Koehl (McGill University & Univ. Oslo) – The Orogenic Bridge Theory: impact of rift-orthogonal orogens on major transform faults.

Marcia Maia (CNRS Geo-Ocean) – Temporal variation in spreading processes at the Eastern Romanche-Mid-Atlantic Ridge intersection.

Sampriti Mukherjee (IPGP) – Deformation and fluid-rock interaction in VEMA gabbro.