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The Mongol–Okhotsk suture belt played an important role in the tectonic evolution of northeast Asia during the Mesozoic. However, few studies have examined the influence of this tectonic belt on the geological evolution of northeast China. In this paper, we present zircon U–Pb geochronology, major and trace element geochemistry, and zircon Hf–O isotopic data for Early Jurassic volcanic rocks in the...
We here elucidate the tectonic evolution of the Xing'an and Songnen–Zhangguangcai Range massifs during the early Carboniferous–early Permian, based on zircon U–Pb dating and whole-rock geochemical analyses of volcanic rocks of the Songnen–Zhangguangcai Range Massif in the Sunwu area, Heilongjiang Province, NE China. Euhedral–subeuhedral zircons from three rhyolites and one dacite from the study area...
In this paper, we present new zircon U–Pb dating, Hf isotope, major and trace elements, and Sr–Nd isotope data for Early–Middle Triassic intrusive rocks in the Erguna Massif of NE China, in the eastern segment of the Central Asian Orogenic Belt (CAOB). Our aim is to elucidate the tectonic evolution of the Mongol–Okhotsk Ocean and its influence on NE China. Zircons from five representative intrusions...
Zircon U–Pb dating and whole-rock geochemical analysis have been undertaken on Late Paleozoic–Early Mesozoic intrusive rocks of central Jilin Province, NE China, with the aim of constraining the tectonic evolution of the eastern segment of the northern margin of the North China Block (NCB) during the Late Paleozoic–Early Mesozoic. Zircon U–Pb dating indicates that Late Paleozoic–Early Mesozoic magmatic...
LA-ICP-MS zircon U–Pb dating and geochemical data have been obtained from five representative mafic–ultramafic intrusions in the Lesser Xing'an–Zhangguangcai Range, NE China, with the aim of improving our understanding of the Mesozoic tectonic evolution in the region, and in particular, determining the time of initiation of the circum-Pacific tectonic system. The selected zircons exhibit striped absorption...
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