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Tracing mantle sources and Samoan influence in the northwestern Lau back-arc basin

Lytle, Marion; Kelley, Katherine; Hauri, E.H.; Gill, James; Papia, Dominic; Arculus, Richard


Helium isotopes are commonly used as a diagnostic fingerprint of Samoan mantle in the northern Lau Basin, but the extent of input from Samoan sources can only be clearly resolved by coupling 3He/ 4He with other geochemical tracers such as trace elements and other isotope systems. We present new major element, dissolved volatile (H 2O, CO 2, S, Cl, F), trace element, and Sr-Nd-Pb-Hf isotope data for new samples from the NW Lau Basin from five distinct regions (Rochambeau Rifts (RR), Northwest...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Geochemistry, Geophysics, Geosystems. G3
DOI: 10.1029/2012GC004233
Access Rights: Open Access


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