Maria Farinha Formation
Geological formation in northeastern Brazil
From Wikipedia, the free encyclopedia
The Maria Farinha Formation is a geological formation of the Parnaíba Basin in Pernambuco, northeastern Brazil whose strata date back to the Danian stage of the Paleocene, or Tiupampan in the SALMA classification.
| Maria Farinha Formation | |
|---|---|
| Stratigraphic range: Danian (Tiupampan) ~ | |
| Type | Geological formation |
| Underlies | Tambaba Formation |
| Overlies | Gramame Formation |
| Thickness | 14 m (46 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Dolomite, marly & sandy limestone |
| Location | |
| Coordinates | 7.9°S 34.9°W |
| Approximate paleocoordinates | 11.8°S 20.9°W |
| Region | Pernambuco State |
| Country | Brazil |
| Extent | Parnaíba Basin |
  Maria Farinha Formation (Brazil) | |
The formation comprising limestones, dolomites, marly and sandy limestones has been deposited in a shallow marine platform environment.
The formation has provided fossils of reptiles and fish.
Description
The Maria Farinha Formation crops out in the Parnaíba Basin in the northeastern state of Pernambuco of Brazil. The formation registers the Cretaceous-Paleogene boundary at the base of the formation, where it overlies the Maastrichtian Gramame Formation. The 14 metres (46 ft) thick formation is overlain by the Eocene Tambaba Formation which is overlain by the Plio-Pleistocene Barreiras Formation.[1]
Fossil content
See also
- South American land mammal ages
- Guabirotuba Formation, Late Eocene formation of the Curitiba Basin
- Itaboraí Formation, Early Eocene formation of the Itaboraí Basin
- Lefipán Formation, Danian formation of Argentina
- Santa Lucía Formation, Tiupampan type formation of Bolivia