Manikyamba, C.; Said, N.; Santosh, M.; Saha, A.; Ganguly, S.; Subramanyam, K.S.V.
(Journal of Asian Earth Sciences. 157; 2017; 187-197.)
Phanerozoic boninites record enrichments of U over Th, giving Th/U 0.5-1.6, relative to intraoceanic island arc tholeiites (IAT) where Th/U averages 2.6. Uranium enrichment is attributed to incorporation of shallow, oxidized ...