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Searching for the onset of seafloor spreading at rifted margins

20/10/2021

IPGP - Îlot Cuvier

11:00

Séminaires Géosciences Marines

Zoom seminar

Tim Minshull

Southampton/IPGP

At some rifted margins, oceanic crust with a typical seismic velocity structure appears to be juxtaposed directly against thinned continental crust. However, at magma-poor margins sepentinised mantle is often present beneath thinned continental crust and may also be exhumed to the seabed, sometimes over broad regions. I will present results from seismic experiments to explore such regions in a variety of locations. The seaward limit of the zone of exhumed mantle is often ill-defined, leaving plenty of scope for further exploration. NOTE: This seminar will be held on zoom but may also be delivered in person in room 310 for those onsite at IPGP - Ilot Cuvier. Topic: Marine Geoscience Seminars: Tim Minshull Time: Oct 20, 2021 11:00 AM Paris Join Zoom Meeting https://cnrs.zoom.us/j/91536527629?pwd=dzRSOVFwS3drb2lZV2JhQUkvNmx0Zz09 Meeting ID: 915 3652 7629 Passcode: AzKPh8