Citation: | KANG Jianli, WANG Huichu, XIAO Zhibin, SUN Yiwei, REN Yunwei, ZENG Le. Identification of Paleoproterozoic nepheline syenite in Yunzhong Mts and its implications for the orogenesis of Trans-North China Orogen[J]. Geological Bulletin of China, 2021, 40(12): 2183-2185. |
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Simplified geological map of Yunzhong Mts (a), photomicrographs of nepheline syenite (b) and zircon U-Pb concordia diagrams of nepheline syenite (c)