F and Cl diffusion in phonolitic melts: Influence of the Na/K ratio

Fluorine and chlorine diffusion were measured in two natural phonolitic melts, from Vesuvius (Italy) and from Laacher See (Germany), at 0.5 and 1.0 GPa, between 1250 and 1450 °C at anhydrous conditions and with about 2 and 5 wt.% of dissolved water. The two different starting materials allow us to i...

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Bibliographic Details
Published inChemical geology Vol. 263; no. 1; pp. 89 - 98
Main Authors Balcone-Boissard, H., Baker, D.R., Villemant, B., Boudon, G.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.06.2009
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