The Mofanggou gold deposit, stratoid in form, occurs in Early Cambrian Zhushadong Formation which overlies the principal detachment-slip zone between Cambrianstrata and Archaeozoic gneissose granodiorite or Palaeoproterozoic adamellite.

• 磨坊沟金矿呈似层状产于新太古代花岗闪长岩或古元古代二长花岗岩与寒武系主拆离滑脱带之上的早寒武世朱砂洞组碳酸盐岩中 ,围岩蚀变包括黄铁绢英岩化、方解石化和萤石化 ,金矿的形成主要与黄铁绢英岩化有关。