Tonggou copper deposit produced in volcanic- sedimentary formation in Lower Carboniferous Qijiaojing Group(C1qj) in Dabancheng,Xinjiang.Orebody produced as vein and stratoid,and controlled by fault structure.The study indicates that fluid inclusions have the characteristics of development Na Cl-H2 O type gas-liquid in this area.The temperature results show that the homogenization temperatures range from 93°C to 340.4 °C,peak of 130°C to 170 °C;The fluid salinity peak values range between 0.18%~4.96% Na Cleq...