Gaogou Formation

Gaogou Formation
Stratigraphic range: Cenomanian-Coniacian
~96–88 Ma
Zhang Fengchen at the Gaogou Formation
TypeGeological formation
Sub-unitsUpper Member, Lower Member
UnderliesMajiacun Formation
OverliesBaiwan Formation
Lithology
PrimaryConglomerate
OtherMudstone
Location
Coordinates33°24′N 112°54′E / 33.4°N 112.9°E / 33.4; 112.9
Approximate paleocoordinates32°42′N 104°42′E / 32.7°N 104.7°E / 32.7; 104.7
RegionHenan Province
Country China
ExtentXixia Basin
Gaogou Formation is located in China
Gaogou Formation
Gaogou Formation
Gaogou Formation
Gaogou Formation
Gaogou Formation (China)
Gaogou Formation is located in Henan
Gaogou Formation
Gaogou Formation
Gaogou Formation
Gaogou Formation
Gaogou Formation (Henan)

The Gaogou Formation is a fossiliferous geological formation located in the Xixia Basin of China. The formation dates back to the Late Cretaceous (Cenomanian-Coniacian) and fossilized eggs of dinosaurs and turtles are commonly reported from the formation. Dinosaur taxa is also reported from the unit.