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Mantle hotspot neon in basalts from the Northwest Lau Back-arc Basin

Lupton, John; Arculus, Richard; Evans, L J; Graham, D.W

Description

The neon isotope compositions of basalts from the Northwest Lau Back-arc Basin reflect three-component mixing between an ocean island basalt (OIB) mantle hotspot component, mid-ocean ridge basalt (MORB) mantle, and atmosphere. Our study confirms that a mantle hotspot signature is present in the neon isotopes of both the Rochambeau Rifts and the Northwest Lau Spreading Center (NWLSC), just as it is in the helium isotopes. Furthermore, the Ne isotope signature in the Rochambeau Rifts lava having...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/62232
Source: Geophysical Research Letters
DOI: 10.1029/2012GL051201

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