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Solubility of Os and Ir in sulfide melt: Implications for Re/Os fractionation during mantle melting

Ronesca, Raul; Mallmann, Guilherme; O'Neill, Hugh; Campbell, Ian; Laurenz, V

Description

Although both rhenium (Re) and osmium (Os) are highly siderophile elements (HSE), they show contrasting geochemical behaviors during partial melting of the mantle - Re is mildly incompatible whereas Os appears to be compatible. This fundamental difference, unique among commonly used isotopic chronometers, causes large variations of Re/Os in oceanic basalts. However, which mantle phases control the geochemical behavior of these elements during partial melting is controversial. Sulfide is...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/31075
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2011.09.035

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