The Junggar basin is riched in oil and gas resources. Its southern margin, which located between the Junggar basin and the northern Tianshan Mountains, is geologically complicated, which makes seismic methods inapplicable. Thus, non- seismic geophysical methods were employed to determine geometrical features of the Lucaogou Formation of Permian which was supposed to be potential shale- gas deposit. With 200 pieces of rock samples of main rocks showed in research area, some geophysical properties, such as density, magnetic susceptibility, polarizability and resistivity were measured, and some statistically conclusions were obtained. The study area is dominated by sedimentary rocks, whose magnetic is generally weak. The magnetic of Permian strata is lower than the Triassic ones. The density difference of main strata is insignificant with average values of 261 x 10 3 kg/m 3 , 256 x 10 3 kg/m 3 and 254 x 10 3 kg/m 3 of sandstones, mudstones and shales respectively. However, the resistivity difference of these rocks is large enough, and an obvious resistivity relationship of sandstone > mudstone > shale can be concluded. The gravity, magnetic and magnetotelluric sounding data were collected in the research area. After careful data processing and inversion, the Bouguer gravity and magnetic anomalies in map view and three- dimensional resistivity model were produced. The southeastern part of research area characterized by high Bouguer gravity anomaly and negative magnetic anomaly with their peak values of 95 x 10 -5 m/s 2 and -100 nT respectively. In contrast, the northwestern part showed low Bouguer gravity anomaly and positive magnetic anomaly with their values of -12×10 -5 m/s 2 and 280 nT respectively. Integrated with geological data, the a and b parts of target layer of the Lucaogou Formation show relatively high and medium to low resistivity in the three- dimensional resistivity model respectively. The strata of research area were deduced by integrated interpretation of gravity, magnetic data and resistivity model. Furthermore, eight thrust faults were deduced since faults are characterized with low resistivity, low gravity and low magnetic anomaly. Based on these new deduced thrust faults in the study area, the spatial distribution of the Lucaogou Formation was deduced, with which the positions of exploration wells were suggested.