Jipucun Fm
Type Locality and Naming
The type section is located at Jipu Village, Duoma District, Ritu County, Tibet Autonomous Region. It was named by Liang Dingyi et al. in 1991.
Synonym:
Lithology and Thickness
The section consists of algae reefs, coral reef limestones and dolomitic limestones, with dolomitic limestones with black and white bands in the upper part. The thickness is greater than 1000 m.
Relationships and Distribution
Lower contact
The bottom boundary is unknown, or it is in contact with the fault of the underlying Qudi Fm (Oudi Gr; of Early Triassic). Regionally, the next older unit is the Rigainpunco Gr of Norian.
Upper contact
The top boundary is marked by the disappearance of the dolomitic limestone in the black and white bands. Next younger regional unit is the lower and middle Jurassic Sumxico Gr.
Regional extent
This formation is distributed in Oula, Jipu Village and Jipu Ri'a, Doma District, Ritu County, Tibet.
GeoJSON
Fossils
Bivalves: Triadomegalodon ladakhensis, Krumbekia cf. tambangensis, Diderocardium sp., Bristle: Blastochaetetes sp.
Age
Depositional setting
It is interpreted as lagoon tidal flat deposit.
Additional Information