Fig. 1

Structural of the northwest margin of Shawan Sag, Junggar Basin. (a) The location of the study area within the Junggar Basin. (b) The location of the study area. (c) Comprehensive columnar diagram of the western margin of Shawan sag. The figures a-c were created by the Geomap v4.0 software (https://www.geomapapp.org).