Shidongsi Fm
Type Locality and Naming
The type section is located at Yutang Village, Banka, Yongde County, Yunnan. It was named by Lan Chaohua et al. in 1983.
Lithology and Thickness
Limestone. Dominated by gray-white and light-gray thick-bedded to massive bioclastic limestone, with a layer of purple-red dolomitic limestone at bottom. 257 m thick
Relationships and Distribution
Lower contact
Conformable contact with the underlying Pingzhang Fm
Upper contact
Conformable contact with the overlying Yutangzhai Fm
Regional extent
Distributed along Yongde and Fengqing, being 257 m thick around Yutang Village of Banka and thickened to 818 m northeastward to Dachezishan of Fengqing.
GeoJSON
Fossils
Abundant Fusulinids Fusulina, Fusulinella, Profusulinella, Pseudostaffella, etc., Corals Bothrophyllum and Campophyllum, Brachiopod Subertella, etc.
Age
Depositional setting
It is interpreted as neritic deposits
Additional Information