Synthesis meeting

Subduction zones Water and Metamorphism: a Modelling and Imaging Study (SWaMMIS) – Synthesis Meeting

Dates: 17-19 September 2018
Sotra & Holsnøy, Norway
Venue: Panorama Hotell

Håkon Olaf Austrheim (UiO)
Saskia Goes (Imperial College London)
Felix Halpaap (UiB)
Ritske Huismans (UiB)
Henk Keers (UiB)
Thomas Meier (Uni Kiel)
Florian Millet (Lyon-UiB)
Lars Ottemöller (UiB)
Stéphane Rondenay (UiB)
Christian Schiffer (Univ. of Durham/Uppsala Univ.)
Hasbi Ash Shiddiqi (UiB)
Hongliang Wang (UiB)
Sebastian Wolf (UiB)

17 September
10:00 Departure Bergen UiB Realfagbygget (Science Building)
11:00 Arrival Panorama Hotell
11:30 Lunch
13:00-15:00 Block 1 – Intro; Seismic imaging and observations
      – 13:00 Stéphane: Introduction and overview of SWaMMIS
      – 13:40 Felix: Earthquakes track the flow of fluids from slab source to mantle wedge sink
      – 14:20 Thomas: Variable spatio-temporal clustering of microseismicity in the Hellenic Subduction Zone as possible indicator for fluid migration
15:30-17:30 Block 2 – Seismic imaging and observations
      – 15:30 Hasbi: Characterisation of intraslab earthquakes in the Indo-Myanmar subduction zone
      – 16:10 Florian: Seismic imaging of subduction zones with 3-D Kirchhoff migration of receiver functions
16:50 Discussion
19:00 Dinner

18 September
9:00-10:30 Block 4 – Geodynamic modelling
      – 09:00 Hongliang: Modeling slab dehydration and fluid migration in subduction zones
      – 09:40 Saskia: Mantle wedge temperatures and their potential relation to volcanic arc location
11:00-12:30 Block 5 – Geodynamic modelling; Norwegian margin
      – 11:00 Sebastian: Factors controlling back-arc extension or overriding plate shortening ­ a numerical modeling study of ocean-continent subduction systems
      – 11:40 Ritske: Geodynamic modelling of the Norwegian margin
12:30 Lunch
14:00-16:00 Block 6 – Norwegian margin
      – 14:00 Håkon: Ancient earthquakes in the exhumed rocks of western Norway
      – 14:40 Christian: Fossil subduction structure beneath the periphery of the North Atlantic basin
      – 15:20 Lars: Seismicity of western Norway
16:30-18:00 Block 7 – Discussion, wrap-up
19:00 Dinner

19 September
Field excursion to the high pressure / ultra-high pressure rocks of Holsnøy

09:00-11:00 Boat transport to Holsnøy
11:00-16:30 Visit to several world-class geological localities of Holsnøy
16:30-18:00 Bus transport back to Bergen

Discussion groups

  1. Felix, Ritske, Christian, Hasbi
  2. Florian, Saskia, Hongliang, Lars, Henk
  3. Stéphane, Sebastian, Thomas, Håkon