The Areado Group is a Late Jurassic to Early Cretaceous (Tithonian to Albian; covering approximately 50 million years)[1] geologic group in southeastern Brazil. The group was defined by Cardoso in 1968.[2]
Areado Group | |
---|---|
Stratigraphic range: Tithonian-Albian ~ | |
Type | Group |
Sub-units | Três Barras, Quiricó & Abaeté Formations |
Underlies | Mata da Corda Group |
Overlies | Bambuí Group |
Lithology | |
Primary | Sandstone, claystone, conglomerate |
Location | |
Coordinates | 18°12′S 45°42′W / 18.2°S 45.7°W |
Approximate paleocoordinates | 17°06′S 12°06′W / 17.1°S 12.1°W |
Region | Minas Gerais |
Country | Brazil |
Extent | São Francisco Basin |
Type section | |
Named by | Cardoso |
Year defined | 1968 |
Various fossil theropod tracks have been reported from the aeolic sandstones of the group.[3][4]
Stratigraphy edit
The group contains the following formations from young to old:[5]
See also edit
References edit
Bibliography edit
- Cristóvão Baptista, Marcos. 2004. Estratigrafia e evolução geológica da região de Lagoa Formosa (MG) (MSc. thesis), 1–116. Universidade Federal de Minas Gerais. Accessed 2018-09-08.
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
- Carvalho, I. d. S., and S. d. S. Kattah. 1998. Dinosaur footprints from Sanfranciscana Basin, Minas Gerais State, Brazil. Anais da Academia Brasileira de Ciências 70. 53-67. Accessed 2020-06-28.