Huiquanpu Formation
| Huiquanpu Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous | |
| Type | Geological formation | 
| Underlies | Middle Miocene basalt | 
| Overlies | Archean gneiss basement | 
| Thickness | Over 200 m (660 ft) | 
| Lithology | |
| Primary | Mudstone | 
| Other | Conglomerate | 
| Location | |
| Coordinates | 40°18′N 114°12′E / 40.3°N 114.2°E | 
| Approximate paleocoordinates | 40°24′N 104°24′E / 40.4°N 104.4°E | 
| Region | Hebei & Shanxi Provinces | 
| Country | China | 
The Huiquanpu Formation (simplified Chinese: 灰泉堡组; traditional Chinese: 灰泉堡組; pinyin: Huīquánpù Zǔ) is a geological formation in Shanxi and Hebei provinces, China, whose strata date back to the Late Cretaceous period. It predominantly consists of purple-red mudstone, with subordinate grey-white sandy conglomerates.
Dinosaur remains are among the fossils that have been recovered from the formation.