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Magmatic evolution and source variations at the Nifonea Ridge (New Hebrides Island Arc)

Lima, S M; Haase, Karsten M; Beier, Christoph; Regelous, Marcel; Brandl, Philipp; Hauff, F.; Krumm, Stefan H.

Description

The Nifonea submarine volcano rises 1000 m above the seafloor of the Vate Trough back-arc basin behind the New Hebrides island arc. This large volcanic edifice has a caldera of ∼8 km diameter and is connected to two ∼20 km long volcanic rift zones in the back-arc basin. We present new chemical and isotope data for volcanic glasses and whole-rocks from both the volcano and its rift zones. Lavas from Nifonea volcano show an evolution towards more incompatible element enrichment, with the most...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/218199
Source: Journal of Petrology
DOI: 10.1093/petrology/egx023

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