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Published January 17, 1984 | Published
Journal Article Open

Water in silicate melts


Water is one of the more important volatile species in magmas, both in terms of its abundance and its influence on the properties of a given magma. Many workers in the geological sciences have measured, modeled, and speculated on the interaction of water with silicate melts as a function of pressure. At the same time, glass and materials scientists have collected a considerable body of data on the effect of water on the properties of liquid and glassy silicates at 1 atmosphere (1.01325×10^5 N m^(−2)) and below. A special session on "Solubility and Transport Properties of Water in Silicate Melts" was held during the 1983 AGU Spring Meeting, May 30–June 3, in Baltimore. The session had three main objectives: (1) review the present data base and discuss the status of current models in order to identify areas where further work is needed; (2) introduce interested geologists to the large body of work being carried out in the glass and materials sciences; and (3) consider static properties, such as thermodynamic relations, structure of hydrous melts, and dynamic properties including diffusion and viscosity. This report summarizes the major topics discussed. More detailed information may be found in the published abstracts (Eos, May 3, 1983, pp. 338–343).

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© 1984 American Geophysical Union. First published: 17 January 1984.

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Published - McMillan_et_al-1984-Eos_2C_Transactions_American_Geophysical_Union.pdf


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