Açu Formation
Early Cretaceous geologic formation in Ceará, Brazil / From Wikipedia, the free encyclopedia
Not to be confused with Itajaí-Açu Formation.
The Açu Formation is an Early Cretaceous (Albian) geologic formation of the Potiguar Basin in Ceará, northeastern Brazil. The formation comprises coarse-grained sandstones deposited in a fluvio-deltaic environment. The Açu Formation, belonging to the Apodi Group, has provided fossils of an indeterminate rebbachisaurid.
Quick Facts Type, Unit of ...
Açu Formation | |
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Stratigraphic range: Albian ~112–100 Ma | |
Type | Geological formation |
Unit of | Apodi Group |
Underlies | Jandaíra Formation |
Overlies | Alagamar Formation |
Lithology | |
Primary | Sandstone |
Location | |
Coordinates | 5.8°S 38.1°W / -5.8; -38.1 |
Approximate paleocoordinates | 11.9°S 10.9°W / -11.9; -10.9 |
Region | Ceará |
Country | ![]() |
Extent | Potiguar Basin |
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