Jiaguan Formation
The Jiaguan Formation is a Lower Cretaceous geologic formation in China. Its lithology is described as consisting of "alternating thick purple red sandstone layers and thin purple red mudstone and siltstone layers, and bottom layers of thick conglomerate" Fossil ornithopod tracks have been reported from the formation.
Jiaguan Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Underlies | Quaternary sediments |
Overlies | Penglaizhen Formation |
Thickness | Around 390 m at the Lotus Fortress locality |
Lithology | |
Primary | Sandstone, siltstone, mudstone, conglomerate |
Location | |
Region | Sichuan |
Country | China |
The known fossil localities include the Lotus Fortress, the type locality of Caririchnium lotus and Wupus agilis ichnotaxa.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.