Figure 4
Characteristics of the lithological assemblage in the Middle Member of the Hongguleleng Formation in Western Junggar. (a) Outcrop of the Middle Member of the Hongguleleng Formation in the Wulankeshun section. (b) Tuffites with calcareous agglomerates, which are easily weathered and leave various shapes of pits in the longitudinal section of the rocks (at the white arrows). (c, d) Thin- to middle-bedded tuffites in the middle part of the MHF. (e) Longitudinal section of the tuffites, showing small grained bedding in the lower part and horizontal bedding in the upper part.
