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Deeply dredged submarine HIMU glasses from the Tuvalu Islands, Polynesia: Implications for volatile budgets of recycled oceanic crust

Jackson, Matthew; Koga, K. T; Price, A; Konter, J. G; Koppers, Anthony A P; Finlayson, V.A.; Konrad, K.; Hauri, E.H.; Kylander-Clark, A.; Kelley, Katherine; Kendrick, Mark

Description

Ocean island basalts (OIB) with extremely radiogenic Pb-isotopic signatures are melts of a mantle component called HIMU (high µ, high 238U/204Pb). Until now, deeply dredged submarine HIMU glasses have not been available, which has inhibited complete geochemical (in particular, volatile element) characterization of the HIMU mantle. We report major, trace and volatile element abundances in a suite of deeply dredged glasses from the Tuvalu Islands. Three Tuvalu glasses with the most extreme HIMU...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/153124
Source: Geochemistry, Geophysics, Geosystems
DOI: 10.1002/2015GC005966
Access Rights: Open Access

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