Lebu Group
| Lebu Group | |
|---|---|
| Stratigraphic range: Paleocene–Eocene | |
| Type | Stratigraphic group | 
| Sub-units | Millongue Formation Trihueco Formation Boca Lebu Formation Curanilahue Formation | 
| Underlies | Ranquil Formation | 
| Overlies | Quiriquina Formation | 
| Lithology | |
| Primary | Shale, sandstone, siltstone, mudstone | 
| Other | Coal | 
| Location | |
| Coordinates | 37°36′S 73°42′W / 37.6°S 73.7°W | 
| Approximate paleocoordinates | 40°06′S 64°12′W / 40.1°S 64.2°W | 
| Region | Bío Bío Region | 
| Country | Chile | 
| Extent | Arauco Basin | 
| Type section | |
| Named for | Lebu | 
Lebu Group is stratigraphic unit of Arauco Basin in south-central Chile. The group consists of a sequence of four formations, of both marine and nonmarine origin, deposited between the Early Paleocene and Middle Eocene.