Adamantina Formation
The Adamantina Formation is a geological formation in the Bauru Basin of western São Paulo state, in southeastern Brazil.
| Adamantina Formation | |
|---|---|
| Stratigraphic range: Late Coniacian-Early Maastrichtian | |
| Type | Geological formation |
| Unit of | Bauru Group |
| Underlies | Uberaba Formation |
| Overlies | Santo Anastacio, Caiuá & Araçatuba Formations |
| Lithology | |
| Primary | Sandstone, calcrete |
| Other | Mudstone, siltstone, conglomerate, coal |
| Location | |
| Coordinates | 21.6°S 50.1°W |
| Approximate paleocoordinates | 25.8°S 33.1°W |
| Region | São Paulo |
| Country | Brazil |
| Extent | Bauru Basin, Paraná Basin |
| Type section | |
| Named for | Adamantina |
Adamantina Formation (Brazil) | |
Its strata date back to the Late Cretaceous epoch of the Cretaceous Period, during the Mesozoic Era. The formation is part of the Bauru Group in the northeastern Paraná Basin.
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