Cajones Formation
| Cajones Formation | |
|---|---|
| Stratigraphic range: Turonian ~ | |
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 17°36′S 63°54′W / 17.6°S 63.9°W |
| Approximate paleocoordinates | 23°24′S 41°30′W / 23.4°S 41.5°W |
| Region | Santa Cruz Department |
| Country | Bolivia |
| Extent | Cordillera Oriental |
| Type section | |
| Named for | Cajones de Ichilo River |
The Cajones Formation is a Turonian geologic formation of central Bolivia. The fluvial sandstones in Amboró National Park preserve fossils of Yacarerani boliviensis. The formation is correlated with the Adamantina Formation of the Paraná Basin in Brazil and the Bajo de la Carpa Formation of the Neuquén Basin in Patagonia, Argentina.