Areado Group Explained

Areado Group
Type:Group
Period:Early Cretaceous
Age:Tithonian-Albian
~
Prilithology:Sandstone, claystone, conglomerate
Namedby:Cardoso
Year Ts:1968
Region:Minas Gerais
Coordinates:-18.2°N -45.7°W
Paleocoordinates:-17.1°N -12.1°W
Subunits:Três Barras, Quiricó & Abaeté Formations
Underlies:Mata da Corda Group
Overlies:Bambuí Group
Extent:São Francisco Basin

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

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

See also

Notes and 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