Escrig, S; Bezos, A; Langmuir, C.H; Michael, PJ; Arculus, Richard
New major element, trace element and Pb-Sr-Nd isotope data for glasses from the Fonualei Spreading Center (FSC) constrain the genesis of back-arc basin basalts and the origins of boninites. The FSC is an end-member for global back-arc lavas in terms of low Ti 8.0 and Na 8.0, and contains lavas with a boninitic signature. Latitudinal variations reveal a correspondence in location between back-arc and adjacent arc volcanism. The locations of spikes in subduction input and positive bathymetric...[Show more]
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