EGU General Assembly 2007
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  Information - GMPV8 Volcanic and non-volcanic Earth degassing

Event Information
Volatile exchange between the Earth interior and the superficial envelopes constitutes an important aspect of global geochemical cycles. Volatile species ranging from major gas components (H2O, CO2, S, halogens) to trace metals are emitted in variable quantities and proportions through magmatic and volcanic activity but also during non-volcanic (e.g. metamorphic) processes. Their emissions occur under various forms (e.g. volcanic gas plumes, particulate matter, soil emanations, bubbling waters, etc.) and thus require widely different methods of investigation. This Session is aimed at making a standpoint in our knowledge of volcanic and non-volcanic Earth degassing in terms of local and global volatile budgets, volatile speciation and degassing processes, relationships with specific tectonic settings, comparison with other natural/anthropogenic sources, and environmental impacts. Contributions from specialists of these various research aspects are welcome.

Preliminary List of Solicited Speakers
1) Marty, B.- Tracing long-term fluxes of volatile elements between surface and mantle reservoirs
2) Miller, S.A.- Link between earthquakes, aftershocks and earth degassing


General Statement
The information contained hereafter has been compiled and uploaded by the Session Organizers via the "Organizer Session Form". The Session Organizers have therefore the sole responsibility that this information is true and accurate at the date of publication, and the conference organizer cannot accept any legal responsibility for any errors or omissions that may be made, and he makes no warranty, expressed or implied, with regard to the material published.

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