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Papo Seco Formation

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Papo Seco Formation
Stratigraphic range: Early Cretaceous
TypeGeological formation
Unit ofLusitanian Basin
Lithology
PrimaryMudstone, siltstone
OtherSandstone
Location
RegionEurope
Country Portugal

The Papo Seco Formation is a geological formation in Portugal, whose strata date back to the Early Cretaceous. Dinosaur fossils are among the fossils that have been recovered from the formation.[1]

Name

The unit was previously referred to as the "Gres a Dinosauriens", due to the abundant dinosaur remains found in the past.[2]

Description

The Papo Seco Formation (Rey, 1992) marks the return to clastic-dominated sedimentation. Exposure of the formation is found above the low cliff between Rochadouro and Areia do Mastro, and on the foreshore and beach at Boca do Chapim. The Papo Seco Formation is dominated by silty mud-mud deposition. This is interbedded with medium to coarse, commonly ribbon shaped, clastic sandstones. Along the exposure, between Rochadouro and Boca do Chapim, the clastic sands are not laterally continuous. The exposure clearly shows that the ribbon sands are isolated and change laterally into muds. Three distinct sand facies have been identified within the Papo Seco Formation.[2]

Vertebrate paleofauna

Ornithischians of the Papo Seco Formation
Taxa Presence Notes Images

Genus:

  1. Iguanodon sp.[1]
  1. Geographically located in Distrito do Setubal, Portugal.[1]
  • "(= I. mantelli)"[1]

Genus:

  1. Indeterminate remains.[1]
  1. Geographically located in Distrito do Setubal, Portugal.[1]

Suborder:

  1. Indeterminate remains.[1]
  1. Geographically located in Distrito do Setubal, Portugal.[1]
  1. "(including Megalosaurus superbus, now known as Erectopus)"[1]

See also

References

  1. ^ a b c d e f g h i j k l m Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 562. ISBN 0-520-24209-2.
  2. ^ a b Aillud, 2001, p.211

Bibliography

Aillud, Gary Stefan. 2001. Palaeoecology, palaeoenvironmental analysis and their application to Sequence Stratigraphy: Lower Cretaceous, Lusitanian Basin, Portugal, 1–360. University of Plymouth. Accessed 2017-10-02.

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