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Spatial variations in whole-rock Sr–Nd–Pb isotopic compositions were investigated for Early Cretaceous mafic igneous rocks from western Shandong in the southeastern edge of the North China Block (NCB). The results are used to constrain the spatial extent of the influence of the deeply subducted South China Block (SCB) on the collided NCB. Five localities of mafic rocks were analyzed in this study,...
We performed zircon U–Pb dating and analyses of major and trace elements, and Sr–Nd–Pb isotopes for granitoids in the Bengbu area, central China, with the aim of constraining the magma sources and tectonic evolution of the eastern North China Craton (NCC). The analyzed zircons show typical fine-scale oscillatory zoning, indicating a magmatic origin. Zircon U–Pb dating reveals granitoids of two ages:...
Detailed geochemical (major and trace elements, Sr-Nd isotope) and new zircon U-Pb dating data for eclogite and garnet-clinopyroxenite xenoliths within the Mesozoic adakitic rocks from the Xuzhou-Suzhou area in central China provide insight into origin of their protolith and the Mesozoic tectonic evolution of the eastern North China Craton (NCC). The eclogite xenoliths have a basaltic bulk composition...
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