Jiangjunding Formation

Jiangjunding Formation
Stratigraphic range: Campanian-Maastrichtian ~72.9–68.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Group
Unit of	Wangshi Group
Underlies	Jingangkou Formation
Overlies	Hongtuya Formation
Lithology
Primary	Conglomerate, sandstone, siltstone
Other	Marl
Location
Coordinates	36°54′N 120°42′E / 36.9°N 120.7°E / 36.9; 120.7
Approximate paleocoordinates	37°18′N 111°00′E / 37.3°N 111.0°E / 37.3; 111.0
Region	Shandong
Country	China
Jiangjunding Formation (China) Show map of China Jiangjunding Formation (Shandong) Show map of Shandong

The Jiangjunding Formation is a geological formation in Shandong, China whose strata date back to the Campanian-Maastrichtian stages of the Late Cretaceous.^[1] Dinosaur remains are among the fossils that have been recovered from the group.^[2]

The Jiangjunding formation consists purpley-grey or reddy-brown sandstones or various consistencies, siltstones and conglomerates. The Jiangjunding Formation was deposited in a fluvial to lacustrine environment. The climate was warm and humid during the majority of the timespan, although it was beginning to dry out after the Jiangjunding.^[3]