Many structurally-controlled Ag±Pb–Zn, Pb–Zn ±Ag, Cu and Mo lodes have also been interpreted as orogenic type (Chen, 2006), including the Tieluping and Yindonggou Ag deposits in Henan province (Chen et al., 2004, 2005b; Sui et al., 2000; Zhang et al., 2009); the Gaojia...