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Selective ingress of a Samoan plume component into the northern Lau backarc basin

Nebel, Oliver; Arculus, Richard J.


Intra-plate basalt isotopic trends require mixing between enriched mantle components (EM1, EM2, HIMU) and a primordial component with high (3)He/(4)He termed FOZO. However, proportions of components, geometric distributions within individual plumes, relative proportions of melting components and loci of mixing of melts and residues remain poorly understood. Here we present new Hf-Nd isotopic data of dredged sea floor basalts from the northern Lau backarc basin, ~250 km south of the subaerial...[Show more]

CollectionsANU Research Publications
Date published: 2015-03-12
Type: Journal article
Source: Nature Communications
DOI: 10.1038/ncomms7554


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