According to geochemical anomalies in combination with characteristics of geophysics,geology,mineral resources and products revealed during the eco-geological investigation along the Yangtze River Economic Belt of Chongqing,the authors hold that their exists a nearly NS-trending concealed fault belt in Wanzhou and an EW-trending concealed fault belt in Fuling.

This paper has described in brief hydrogeological and geothermal conditions of Longmen State Grain Depot in Luoyang City, analyzed and interpreted integrated geophysical data obtained from the exploration locating of hot water and cool water wells over the same concealed fault in this area and, on such a basis, determined sites and depths of the drill wells.

Application of hydrogeochemistry in search for concealed gold deposits;