Areado Group

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
~150–100 Ma
TypeGroup
Sub-unitsTrês Barras, Quiricó & Abaeté Formations
UnderliesMata da Corda Group
OverliesBambuí Group
Lithology
PrimarySandstone, claystone, conglomerate
Location
Coordinates18.2°S 45.7°W / -18.2; -45.7
Approximate paleocoordinates17.1°S 12.1°W / -17.1; -12.1
RegionMinas Gerais
Country Brazil
ExtentSão Francisco Basin
Type section
Named byCardoso
Year defined1968
Areado Group (Brazil)

Various fossil theropod tracks have been reported from the aeolic sandstones of the group.[3][4]

Stratigraphy

The group contains the following formations from young to old:[5]

See also

References

  1. Carvalho & Kattah, 1998, p.56
  2. Carvalho & Kattah, 1998, p.54
  3. Carvalho & Kattah, 1998, pp.57-61
  4. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  5. Cristóvão Baptista, 2004, p.19

Bibliography

  • 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.
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