The next AGU Fall Meeting will take place on 10-14 December 2018 in Washington D.C (https://fallmeeting.agu.org/2
The abstract submission deadline is Wednesday, 1 August 2018 23:59 EDT/03:59 +1 GMT.
Session ID: 51218
Session Title: V034. Role, Effect and Fate of Halogens in the Earth System
Section/Focus Group: Volcanology, Geochemistry and Petrology
Conveners: Anita Cadoux (Université Paris Sud - Paris Saclay), Marion Louvel (University of Cambridge)
URL: https://agu.confex.com/ag
Abstract:
While halogens are minor volatile species on Earth, their significant effects on the physico- chemical properties of melts and fluids makes them key actors of magmatic, metasomatic, mineralizing, and volcanic processes. Emission of volcanogenic halogens leads to long- and short-term perturbation of atmospheric chemistry, from global depletion of stratospheric ozone to life-threatening contamination of soils and water. Overall, their relatively high concentrations combined to their distinct elemental compositions in seawater and sediments makes them useful tracers to evaluate global-scale recycling processes between the Earth deep and shallow reservoirs. This session aims at gathering studies allowing a better knowledge of the halogens behaviour from the deep mantle to the atmosphere and hydrosphere. We welcome contributions that employ natural samples, experimental petrology, geochemistry, new high-precision analytical methods, volcanic gas-monitoring or modeling to study the abundance, solubility, diffusion, partitioning and speciation of halogens in magmas, minerals, fluids or gas.
We look forward to seeing you in Washington D.C.
Kind regards,
Anita Cadoux and Marion Louvel
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