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
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]
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