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The effect of melt composition on trace element partitioning: an experimental investigation of the activity coefficients of FeO, NiO, CoO, MoO 2 and MoO 3 in silicate melts

O'Neill, Hugh; Eggins, Stephen


The thermodynamic theory describing the partitioning of trace elements between crystals and silicate melt implies that partition coefficients should depend on the major-element composition of the melt from two different causes, namely (1) the activity coefficient of the trace-element oxide component in the melt, and (2) the activities of all the major-element components needed to balance the trace-element substitution in the crystal (the "stoichiometric control"). Partition coefficients are...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Chemical Geology
DOI: 10.1016/S0009-2541(01)00414-4


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