Osmium isotope binary mixing arrays in arc volcanism

Abstract

Os isotope ratios and Os and Re concentrations were measured in 56 lavas coming from 10 different subduction zones. Samples span a large range of major element concentrations (from basalts to dacites) and Mg# (from 0.32 to 0.81). The 10 subduction zones, namely the Lesser Antilles, Java, Papua New Guinea, the Philippines, Izu^Bonin, Kamchatka, the Aleutians… (More)

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