The Yangshan gold belt is situated at the apex of the arc in the eastern portion of the Wenxian structural belt, which lies in the western section of the Mianlue suture zone within the South Qinling Subbelt (Liang et al., 2014, Liang et al., 2019, Yang et al., 2016, Li et al., 2019) (see Fig. 1).The belt extends from Tangpugou in the west to …