Isotopic Age of the Xiong’er Group Volcanic Rocks and Its Geological Significance in Western Henan, China
Figure 10
The206Pb/204Pb-207Pb/204Pb diagram of the Xiong’er Group and Taihua Group in the North China Craton. Data source: this paper; [1, 29]; NHRL: northern hemisphere reference line [31]; EM1 and EM2: the mantle endmember [32].