Areado Group

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Areado Group
Stratigraphic range: Tithonian-Albian
~150–100  Ma
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′S45°42′W / 18.2°S 45.7°W / -18.2; -45.7
Approximate paleocoordinates 17°06′S12°06′W / 17.1°S 12.1°W / -17.1; -12.1
Region Minas Gerais
Country Brazil
Extent São Francisco Basin
Type section
Named byCardoso
Year defined1968
Relief Map of Brazil.jpg
Green pog.svg
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]

Contents

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