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We present new detrital zircon U–Pb–Hf isotope data for seven samples from late Permian to Triassic sedimentary units in Jilin Province, Northeast (NE) China, and use these data to constrain the timing of final closure of the Paleo-Asian Ocean and the late Permian to Triassic tectonic evolution of the Changchun–Yanji suture belt. The late Permian to Early Triassic sedimentary rocks contain material...
We present the first evidence of an early Paleozoic terrane in the southern Yanbian region, NE China. We used LA-ICP-MS zircon U–Pb and Hf isotope techniques to analyze one plagioclase gneiss and two garnet-bearing two-mica quartz schists from the early Paleozoic Jiangyu Group, as well as two tonalites that intruded the Jiangyu Group. The tonalites yield weighted mean 206Pb/238U zircon crystallization...
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