Figure 5
Distribution of zircon TDM2 (Hf) ages (blue bars) and U-Pb ages (yellow bars) from the Erguna Massif, and crustal evolution curves using different datasets. The histograms were calculated using bins of 20 Myr. Two crustal growth curves and the reworking curve of the Erguna Massif are shown in solid red, dashed pink, and dashed green, respectively. For comparison, also shown are the crustal growth curve (dashed red curve) established from detrital zircons in modern rivers of NE China (using the method of this study and data from Li31) and three crustal growth curves6,7,8 using global datasets and calculated by different methods (grey curves).
