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Several Late Yanshanian syenitic and gabbroic rocks from the coastal area of southeastern (SE) China have been studied to determine zircon U–Pb ages and Hf isotopic compositions as well as whole-rock elemental and Sr–Nd isotopic compositions to constrain their sources and tectonic settings. The systematic LA-ICP-MS zircon U–Pb dating results indicate that they can be divided into two main stages:...
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