Shaodong Fm
Type Locality and Naming
The type section is located at Liujiatang, northwest of Jieling Town, Hunan Province. The reference section is at Malanbian Village of Xinshao County, Hunan Province.
It was named by Yoh Senxun and Hou Hongfei in 1962.
Lithology and Thickness
Fine-grained clastics. The Shaodong Formation, 70-150 m thick, is characterized by the development of fine-grained clastics, mainly shale, siltstone and fine-grained sandstone, intercalated with thin-bedded or lenses limestone.
Relationships and Distribution
Lower contact
The Formation rests conformably on the Oujiachong Fm, and this lower boundary is generally assigned on the basis of the appearance of marine beds.
Upper contact
Regional extent
It is mainly distributed in the central Hunan.
GeoJSON
Fossils
The fossils are corals: Cystophrentis spp., Caninia spp., Ceriphyllum sp.,
Brachiopoda: Cyrtospirifer sp., Ptychomaletechia kinglinensis,
Conodonts: Bispathodus aculeatus pulumulus-Clydagmnathus cavusformis fauna; and
Foraminifera: Septatournayella rauserae, Qusiendothyra communis.
Age
Depositional setting
Additional Information