Journée scientifique Halogènes 2021

Second scientific workshop on Halogens:

from mantle processes to emissions
and their impact on the atmosphere

16 novembre 2021

Opening

9h30. J.D. Blundy – Oxford University

Formation of magmatic brines beneath volcanoes and implications for ore-forming processes

9h50. Tatsuhiro Kawamoto, Department of Geosciences, Faculty of Science, Shizuoka University

Saline fluid inclusions in Pinatubo mantle xenoliths linking subducted seawater to arc magmas

10h10. Estelle Rose-Koga – LMV Clermont-Ferrand

Halogen cycle in the mantle seen through melt inclusions

10H30 – 10h50, Discussion

10h50. Patricia Clay – The University of Manchester

Halogens in layered igneous intrusions: lessons from the Stillwater Complex and the Rum layered suite

11h10. Razvan-Gabriel POPA – ETH Zürich

Style of volcanic eruption determined by magma storage conditions: using halogens to explain the impossible rocks

11h30. Bastian Joachim-Mrosko – Institute of Mineralogy and Petrography, University of Innsbruck

The role and abundance of halogens during metamorphic and metasomatic reactions

11h50 Tobias Grützner-Hanke – IMPMC Paris

High pressure high temperature experiments on Bromine partitioning between natural basalt and an aqueous fluid.

12H10 – 12H30 - Discussion

Lunchtime

14h. Young Researchers (10 min talks)

Thiebaut d’Augustin (ISTeP)

Eruptive halogen fluxes towards the atmosphere

Sarah Figowy (ISTeP)

Crystal chemistry and partitioning of halogens in hydrous silicates: ab initio modelling

Etienne le Glas (IPGP)

What HCl contents and Cl stable isotope compositions can tell about low temperature fumarolic activity? Application to la Soufrière de Guadeloupe.

Morgane Rondet (ISTO)

Halogen behaviour in hydrous rhyolitic melts : experimental study and modelling of Cl and F solubilities

Hérizo Narivelo - CNRM (Toulouse)

Chemistry of halogens in the Etna's volcanic plume: Comparisons between the MOCAGE chemistry-transport model and the TROPOMI satellite data

Alexander Nies - LPC2E Orleans

Imaging measurements of HCHO and BrO in the atmosphere.

15h discussion

15h30. Tjarda Roberts – LPC2E Orleans

Volcanic Halogen Chemistry: from hot emissions to cooled plume

15h50. Luke Surl – The University of Aberdeen

WRF-Chem volcano: A tool for modelling the halogen chemistry of tropospheric volcanic plumes

16h10. Zhihong Zhuo, Herman Fuglestvedt, Kirstin Krüger – Oslo (UiO)

Tropical versus extratropical volcanic eruptions impacts (including volcanic sulphur and halogen injections)

16h30. Simon Warnach - Max-Planck-Institut für Chemie (MPIC)

A global perspective on BrO/SO2 ratio from TROPOMI

17h00 final discussion

ZOOM SESSION

Sujet : CYCL'HAL

Heure : 16 nov. 2021 09:00 UTC

To participate

https://us02web.zoom.us/j/87695374560?pwd=SjJUOXdRT1AySURMT05TQlNXa3BkZz09

Meeting number : 876 9537 4560

password : m12e7A