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Enhanced mantle-to-crust rhenium transfer in undegassed arc magmas

Sun, Weidong; Bennett, Victoria; Eggins, Stephen; Kamenetsky, Vadim S; Arculus, Richard

Description

Variations in the 187Os/188Os isotopic signature of mantle and mantle-derived rocks have been thought to provide a powerful chemical tracer of deep Earth structure. Many studies have inferred from such data that a long-lived, high-rhenium component exists in the deep mantle (187Re is the parent isotope decaying to 187Os, with a half-life of ∼42 billion years), and that this reservoir probably consists of subducted oceanic crust1-3. The interpretation of these isotopic signatures is, however,...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/87869
Source: Nature
DOI: 10.1038/nature01482

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