Zircon U-Pb geochronology, Hf isotopes, and geochemistry constraints on the age and tectonic affinity of the basement granitoids from the Qiongdongnan Basin, northern South China Sea
1 China National Offshore Oil Corporation (CNOOC) Research Center, Beijing 100028, China
2 Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
3 Key Laboratory of Paleomagnetism and Tectonic Reconstruction, Ministry of Natural Resources, Beijing 100081, China
4 Key Laboratory of Petroleum Geomechanics, China Geological Survey, Beijing 100081, China
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