Information - GMPV03 Water in solids of the Earth’s crust and mantle: from the storage capacities to its influence on physical properties (co-sponsored by EAG)
Event Information
The presence of water in solids of the Earth’s crust and mantle, has enormous effects on the dynamics of processes in the Earth. As well as in hydrous minerals such as amphibole, serpentine and talc, hydrogen may be stored in nominally anhydrous minerals (NAMs). The incorporated hydrogen in these minerals may change their stability fields and physical properties such as electrical conductivity, chemical diffusion, rheological behavior (hydrolytical weakening), transformation kinetics and phase transitions but also elasticity. The release of water through dehydration processes may enhance the generation of melt, trigger earthquakes. The formation of dense hydrous phases (DHMS) may be an effective way to recycle water deep into the Earth’s mantle. The aim of this special session is to bring scientists from different disciplines together to discuss some of the following topics: solubility of hydrogen in minerals as a function of P, T and paragenesis; influence of hydrogen on properties of NAMs; hydrogen mobility in minerals; high-pressure stability and behavior of hydrous minerals.
Preliminary List of Solicited Speakers
Takeshi YOSHINO (Okayama University, Japan) : "Electrical conductivity of transition zone minerals: wadsleyite and ringwoodite"
Toru INOUE (Ehime University, Japan): "Phase relations in hydrous mantle and partitioning of water in mantle minerals."
Mark van der MEIDJE (International Institute for Geo-Information Science and Earth Observation) : "Seismology and water; drowning in theory or thriving on facts?"
Co-Sponsorship
EuroMinSci and Comission of Physics of Minerals, International Mineralogical Association (CPM-IMA)
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