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The Late Paleozoic tectonic evolution of the Lhasa terrane remains poorly understood due to the paucity of the Late Paleozoic magmatic rocks exposed at the surface. Detrital zircons in the sedimentary rocks can provide a record of magmatic rocks that have been eroded. Here we report detrital zircon U-Pb ages, trace-element and Hf isotopic data of metasedimentary rocks from the Nyingchi Complex in...
An integrated study of UPb zircon dating, geochemical and SrNdHf isotopic compositions of garnet-bearing granulite and marble from the granulite-facies domain of the Nyingchi Complex (eastern Himalayan syntaxis) has provided insights into the tectonic evolution of the southern Lhasa terrane. The peak metamorphism of the garnet-bearing granulite is marked by a mineral assemblage of garnet+orthopyroxene+high-Ti...
The early history of the Lhasa terrane remains poorly constrained due to the poor exposure of the Proterozoic rocks. We report here U–Pb zircon ages, geochemical and Hf isotopic data for granite gneisses and biotite gneisses from the Bomi Complex in the eastern part of the Lhasa terrane, south Tibet. Petrological and geochemical data suggest that the protoliths of the granite gneisses and the biotite...
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