Fig. 2

Core photos of the Jiamuhe Formation in the northwest margin of Shawan Sag, Junggar Basin. (a) CP28, 2139 m. (b) the lithology sketch of a. (c) CP19, 2141 m. (d) The lithology sketch of c.

Core photos of the Jiamuhe Formation in the northwest margin of Shawan Sag, Junggar Basin. (a) CP28, 2139 m. (b) the lithology sketch of a. (c) CP19, 2141 m. (d) The lithology sketch of c.