U–Pb Dating and Hf Isotopes Analysis of Detrital Zircons of the Shanxi Formation in the Otuokeqi Area, Northwestern Ordos Basin

Figure 3

(a) shows the U–Pb concordia plots of concordant detrital zircons from the Shanxi Formation in the Otuokeqi area. (b) shows the detrital zircon U–Pb age (Ma) spectra including probability density curve and histograms.