Wu, Peng; Zhang, Shao-Bing; Zheng, Yong-Fei; Fu, Bin; Liang, Ting
In order to gain insights into the amalgamation process of South China into Rodinia, a combined study of whole-rock geochemistry, zircon U-Pb ages and Hf-O isotopes was carried out for igneous rocks from the Mianlue ophiolite in the northern margin of the South China Block. In-situ zircon U-Pb dating yields 206Pb/238U ages of 905 ± 8 Ma for plagiogranite, 936 ± 6 Ma for andesite and 950 ± 5 Ma for gabbro-diorite. The plagiogranite is characterized by high Na2O contents of 6.6–7.0 wt%, low TiO2...[Show more]
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