The Quiricó Formation is a geological formation of the Areado Group in Minas Gerais, Brazil whose strata date back to the Early Cretaceous (Aptian).[2][1] Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.

Quiricó Formation
Stratigraphic range: Aptian, ~125 Ma
[1]
Stratigraphic position of the Quiricó Formation in São Francisco Basin
TypeGeological formation
Unit ofAreado Group
UnderliesAbaeté Formation
OverliesTrês Barras Formation
Thickness60–100 m (200–330 ft)
Lithology
PrimarySandstone, claystone
OtherSiltstone, limestone
Location
Coordinates16°42′S 44°24′W / 16.7°S 44.4°W / -16.7; -44.4
Approximate paleocoordinates17°30′S 11°54′W / 17.5°S 11.9°W / -17.5; -11.9
Region Minas Gerais
Country Brazil
ExtentSão Francisco Basin
Type section
Named forQuiricó Lake/River
Named byBarbosa
Year defined1965
Quiricó Formation is located in Brazil
Quiricó Formation
Quiricó Formation (Brazil)

Fossil content edit

References edit

  1. ^ a b Carvalho & Santucci, 2024
  2. ^ Sgarbi, 2000
  3. ^ Souza Bittencourt et al., 2020
  4. ^ Zaher et al., 2011
  5. ^ Santos, 1955
  6. ^ Santos, 1985
  7. ^ Zaher et al., 2020
  8. ^ Carvalho, J. C.; Santucci, R. M. (2023). "A new fossil Squamata from the Quiricó Formation (Lower Cretaceous), Sanfranciscana Basin, Minas Gerais, Brazil". Cretaceous Research. 154. 105717. doi:10.1016/j.cretres.2023.105717.
  9. ^ a b c Carvalho and Santucci, 2018

Bibliography edit