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The Lhasa Terrane in southern Tibet is an ideal region to investigate the geodynamic processes of magmatism in relation to slab breakoff. Here we report zircon SHRIMP U–Pb ages and Hf-isotopes, and whole-rock geochemical data from the late Early Cretaceous magmatic rocks around Xainza. The rocks analyzed in this study include basalts, andesites, dacites, and rhyolites from the south of Xainza in the...
Cretaceous magmatism in southern Lhasa subterrane, Tibetan plateau has been investigated for many years and a series of models have been proposed to illustrate their petrogenesis and geodynamic implications. But rare work has been done on the Cretaceous magmatism in central Lhasa subterrane. Here we report the petrology, zircon in situ U–Pb geochronology, Hf isotopes, trace element, and whole-rock...
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