Rio do Rasto Formation

The Rio do Rasto Formation is a Late Permian sedimentary geological formation in the South Region of Brazil. The official name is Rio do Rasto, although in some publications it appears as Rio do Rastro.

Rio do Rasto Formation
Stratigraphic range: Late Permian
TypeGeological formation
Unit ofParaná & Pelotas Basins
Sub-unitsMorro Pelado Mb., Serrinha Mb.
UnderliesPirambóia Formation (Paraná Basin)
Botucatu Formation (Pelotas Basin)
OverliesTeresina Formation
Lithology
PrimaryShale, sandstone
Location
Coordinates28°24′26″S 49°32′46″W
Approximate paleocoordinates41.3°S 22.4°W / -41.3; -22.4
RegionParaná, Santa Catarina, Rio Grande do Sul
Country Brazil
ExtentParaná Basin

Extent of Paleozoic (including the Rio do Rasto Formation) and Mesozoic units in the Paraná Basin in light blue

Geography

It is found mainly in the Brazilian states of Santa Catarina, Paraná, and Rio Grande do Sul. It was formed during the Late Permian epoch of the Permian period.[1][2]

Fossil content

The following fossils have been uncovered from the formation:[3]

gollark: I pick all my crimes via unbiased RNG.
gollark: It's america, so yes.
gollark: On a slightly related note, osmarks.net data harvesting.
gollark: But you're stuck with the bad name for ages and you have to update so much ~~remote configuration~~ paperwork.
gollark: … why is it not working over IPv6

See also

References
  1. "Associação dos Municípios do Extremo Sul Catarinense". AMESC. Archived from the original on 2016-02-22. Retrieved 2015-11-10.
  2. "SigRH". Sigrh.sp.gov.br. Retrieved 2015-11-10.
  3. Langer et al., 2008, p.1
  4. Boos et al., 2016, p.4
  5. Paranaichthys longianalis at Fossilworks.org

Bibliography
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