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Areado Group

Coordinates: 18°12′S 45°42′W / 18.2°S 45.7°W / -18.2; -45.7
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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°12′S 45°42′W / 18.2°S 45.7°W / -18.2; -45.7
Approximate paleocoordinates17°06′S 12°06′W / 17.1°S 12.1°W / -17.1; -12.1
RegionMinas Gerais
Country Brazil
ExtentSão Francisco Basin
Type section
Named byCardoso
Year defined1968
Areado Group is located in Brazil
Areado Group
Areado Group (Brazil)

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]

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

Stratigraphy

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

See also

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References

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  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

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  • Cristóvão Baptista, Marcos (2004), Estratigrafia e evolução geológica da região de Lagoa Formosa (MG) (MSc. thesis) (PDF), Universidade Federal de Minas Gerais, pp. 1–116, retrieved 2018-09-08
  • Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
  • Carvalho, I. d. S.; Kattah, S. d. S. (1998), "Dinosaur footprints from Sanfranciscana Basin, Minas Gerais State, Brazil", Anais da Academia Brasileira de Ciências, 70: 53–67, retrieved 2020-06-28