Guarujá Formation
From Wikipedia, the free encyclopedia
| Guarujá Formation | |
|---|---|
| Stratigraphic range: Early Albian ~ | |
| Type | Geological formation |
| Unit of | Camburi Group |
| Underlies | Itajaí-Açu Fm., Juréia Fm. |
| Overlies | Ariri Formation |
| Thickness | up to 2,500 m (8,200 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Marl |
| 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 | Guarujá |
 Location of the Santos Basin | |
The Guarujá Formation (Portuguese: Formacão Guarujá) is a geological formation of the Santos Basin offshore of the Brazilian states of Rio de Janeiro, São Paulo, Paraná and Santa Catarina. The predominantly calcarenite formation with marls dates to the Early Cretaceous period; Early Albian epoch and has a maximum thickness of 2,500 metres (8,200 ft). The formation is the second-most important post-salt reservoir rock of the Santos Basin.
The formation is named after the city of Guarujá, São Paulo.
