Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4838
AuthorsBaker, D. R.* 
Balcone-Boissard, H.* 
TitleHalogen diffusion in magmatic systems: Our current state of knowledge
Issue Date2008
DOI10.1016/j.chemgeo.2008.10.010
URIhttp://hdl.handle.net/2122/4838
KeywordsHalogens
Diffusion
Magmatic processes
Volcanic gas
Subject Classification04. Solid Earth::04.08. Volcanology::04.08.02. Experimental volcanism 
AbstractDiffusion of halogens has the potential to influence petrogenetic processes in magma chambers and conduit degassing processes. This contribution reviews our current state of knowledge concerning halogen diffusion and the influence of halogens on the diffusion of major elements in silicate melts. The addition of halogens to silicate melts at common, natural concentration levels will have little effect on the diffusion of major elements. However, the differences between the diffusivity of water, the diffusivities of halogens, and the diffusivity of sulfur are significant enough that during melt inclusion entrapment, or during rapid bubble or crystal growth, diffusive fractionation betweenwater and the halogens, and between halogens and sulfur, are expected to occur and can influence the compositions of melt inclusions, crystals and volcanic gases.
Appears in Collections:Papers Published / Papers in press

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