Liangtoutang Formation
| Liangtoutang Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Geological formation |
| Unit of | Tiantai Group |
| Underlies | Chichengshan Formation |
| Overlies | Tangshang Formation |
| Thickness | About 300 m (980 ft) |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 28°42′N 120°12′E / 28.7°N 120.2°E |
| Approximate paleocoordinates | 36°18′N 120°00′E / 36.3°N 120.0°E |
| Region | Zhejiang |
| Country | China |
| Extent | Huzhen Basin |
The Liangtoutang Formation, also referred to as the Laijia Formation is a geological formation located in Zhejiang, China. Its strata date back to the Albian to Cenomanian stages of the Cretaceous period, between 105.9 and 96 million years ago. The lithology primarily consists of red sandstone.