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Magmatic inclusions in the search for natural silicate-salt melt immiscibility: methodology and examples


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Kamenetsky, VS, De Vivo, B, Naumov, VB, Kamenetsky, MB, Mernagh, TP, van Achterbergh, E, Ryan, CG and Davidson, P 2003 , 'Magmatic inclusions in the search for natural silicate-salt melt immiscibility: methodology and examples', in B. De Vivo and R.J. Bodnar (eds.), Melt inclusions in volcanic systems : methods, applications and problems , Developments in volcanology (5) , Elsevier, Amsterdam, pp. 65-82.

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Immiscible phase separation during the cooling and crystallisation of magmas is an inherently fugitive phenomenon and melt inclusions may provide the only remaining evidence of this process. We detail those features of such inclusions that can both prove the existence of immiscible phase separation, and constrain the compositional signature of the process. To do so requires the combination of traditional methods (petrographic examination, microthermometry, etc.) with state of the art microbeam analytical techniques (laser Raman spectroscopy and proton-induced X-ray emission). Examples of inclusions in phenocrysts from barren and mineralised rocks are provided to illustrate the approach and validate the interpretations.

Item Type: Book Section
Authors/Creators:Kamenetsky, VS and De Vivo, B and Naumov, VB and Kamenetsky, MB and Mernagh, TP and van Achterbergh, E and Ryan, CG and Davidson, P
Journal or Publication Title: Developments in Volcanology, 5. Melt inclusions in volcanic systems: methods, applications and problems
Publisher: Elsevier, Amsterdam
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