Zhangshuwan Fm
Type Locality and Naming
The type section is lies along Shangbaochong−Zhangshuwan, about 24 km northeast of Liling, Hunan. It was named by by Li Pucheng in 1986, and formally cited in Regional Geology of Hunan Province in 1988.
Lithology and Thickness
Sandstone and Claystone. Dominated by gray-white and light-gray quartz sandstone, sandy shale and black shale, locally intercalated with coal streaks. As thick as 337.7 m at the type section, and generally 100−200 m in other places, with the maximum exceeding 400 m.
Relationships and Distribution
Lower contact
Conformable contact with the underlying Shangbaochong Fm
Upper contact
Conformable contact with the overlying Zimenqiao Fm
Regional extent
Distributed along Yiyang, Ningxiang, Changsha, Liuyang and Liling in northern Central Hunan.
GeoJSON
Fossils
Rich in fossil Plants Rhodeopteridium hsianghsiangensis, Sublepidodendron mirabile, Neuropteris gigantea, Cordaites principalis, Adiantites sp., etc.
Age
Depositional setting
It is interpreted as a
Additional Information