Iguape Formation
| Iguape Formation | |
|---|---|
| Stratigraphic range: Paleocene-Pliocene ~ | |
| Type | Geological formation |
| Unit of | Itamambuca Group |
| Underlies | Sepetiba Formation |
| Overlies | Santos Fm., Itajaí-Açu Fm., Juréia Fm. |
| Thickness | up to 2,200 m (7,200 ft) |
| Lithology | |
| Primary | Calcarenite |
| Other | Shale, marl, siltstone, conglomerate |
| Location | |
| Coordinates | 26°6′S 43°43′W / 26.100°S 43.717°W |
| Region | Santos Basin, South Atlantic |
| Country | Brazil |
| Type section | |
| Named for | Iguape |
Location of the Santos Basin | |
The Iguape Formation (Portuguese: Formacão Iguape) is a geological formation of the Santos Basin offshore of the Brazilian states of Rio de Janeiro, São Paulo, Paraná and Santa Catarina. The calcarenite, shale, siltstone, marl and conglomerate formation dates to the Tertiary period and has a maximum thickness of 2,200 metres (7,200 ft).