Puerto Yeruá Formation
Stratigraphic range: Late Cretaceous
TypeGeological formation
Lithology
PrimarySandstone, claystone
OtherConglomerate
Location
Coordinates32°12′S 58°06′W / 32.2°S 58.1°W / -32.2; -58.1
Approximate paleocoordinates37°00′S 38°42′W / 37.0°S 38.7°W / -37.0; -38.7
RegionEntre Ríos Province
Country Argentina
ExtentParaná Basin
Type section
Named forPuerto Yeruá, Concordia Department
Puerto Yeruá Formation is located in Argentina
Puerto Yeruá Formation
Puerto Yeruá Formation (Argentina)

The Puerto Yeruá Formation is a Late Cretaceous geologic formation in the Paraná Basin, pertaining to Entre Ríos Province, Argentina. Dinosaur remains are among the fossils that have been recovered from the formation,[1] as well as egg fragments and fossilized wood.

Description

The formation comprises red claystones and grey sandstones, medium-thick, well silicified, partly conglomeratic, whitish and reddish color thanks to the presence of iron oxides and frequently calcareous cement. It was deposited in a lacustrine to floodplain humid environment with seasonal rainfall. Fossils of cf. Sphaerovum erbeni (Faveoloolithidae),[2] Theropoda indet.,[3] and Ankylosauria indet. are reported from the formation.[4][5] The formation has been correlated with the Guichón Formation of eastern Uruguay.[6]

Paleofauna

See also

References

  1. Weishampel et al., 2004, pp.517-607
  2. De Valais et al., 2003, p.509
  3. De Valais et al., 2003, p.508
  4. De Valais et al., 2003, p.507
  5. Ita-i-cora at Fossilworks.org
  6. Soto et al., 2009, p.13
  7. Franco et al., 2015

Bibliography

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