Quanzijie Fm
Type Locality and Naming
The type section is located at Quanzijie of the Jimusar County, Xinjiang, and the reference section is situated at Dalongkou about 8 km to the south of the Santai Country of the Jimusar County. It was named by Tang Zukui et al., in 1957, and was cited officially by the Compiling Group for the Regional Stratigraphic Chart of Xinjiang Uygur Autonomous Region (1981).
Lithology and Thickness
Clastics. Its lower and middle parts are composed of dark-grey, yellow-grey, brown-purple conglomerates and sandstones, intercalated with siltstone, and its upper part is composed of dark-grey siltstone and fine-grained sandstone, intercalated with thin-bedded marl. Thickness is 240 m.
Relationships and Distribution
Lower contact
Disconformable contact with the underlying Hongyanchi Fm; hiatus spans Kungurian through early-Middle Permian according to Shuzhong Shen et al. (2019, Permian integrated stratigraphy and timescale of China).
Upper contact
Conformable contact with the overlying Wutonggou Fm
Regional extent
Distributed in the vicinity of Ulumqi City, extending easterly to the Jimusar area, and southeasterly to the Turfan (Turpan) Basin, and being missing in the eastern end of the Dahuangshan Anticline.
GeoJSON
Fossils
Plant fossils (phytolites) represented by Callipteris-Comia-Iniopteris assemblage; Megaspores such as Triangulatisporites junggaensis-Erlansonisporites licheniformis assemblage; Spore-pollen fossils such as Alisporites-Sculcatisporites-Protohaploxypinus assemblages; Bivalves such as Palaeanodonta cf. longissima, P. solonensis, Anthraconauta; Ostracoda fossils such as Vymella xinjiangensis, Bisulcocypris permiana; and Vertebrate fossils such as Kunpania scopullusa, etc.
Age
Depositional setting
Additional Information