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Coordinates: 33°00′S 57°12′W / 33.0°S 57.2°W / -33.0; -57.2
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{{Short description|Geological formation in Uruguay}}
{{Infobox rockunit
{{Infobox rockunit
| name = Asencio Formation
| name = Asencio Formation
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| caption =
| caption =
| type = [[Geological formation]]
| type = [[Geological formation]]
| period = Maastrichtian
| period = [[Campanian]]-[[Maastrichtian]]
| age = [[Campanian]]-[[Maastrichtian]]
| age = [[Campanian]]-[[Maastrichtian]]<br>~{{fossil range|83.6|66.0}}
| prilithology = [[Sandstone]]
| prilithology = [[Sandstone]]
| otherlithology =
| otherlithology =
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| unitof =
| unitof =
| subunits = Del Palacio Member
| subunits = Del Palacio Member
| underlies =
| underlies = [[Queguay Formation|Queguay]] & [[Fray Bentos Formation]]s
| overlies =
| overlies = [[Mercedes Formation, Uruguay|Mercedes Formation]]
| thickness =
| thickness =
| extent = [[Paraná Basin]]
| extent = [[Paraná Basin]]
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| map_caption =
| map_caption =
}}
}}
The '''Asencio Formation''' is a geological [[Formation (geology)|formation]] in the [[Paraná Basin]] of southwestern Uruguay whose strata date back to the [[Late Cretaceous]] ([[Campanian]]-[[Maastrichtian]]). Dinosaur remains are among the fossils that have been recovered from the formation.<ref name="cretaceousdistribution">Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. {{ISBN|0-520-24209-2}}.</ref>
The '''Asencio Formation''' is a geological [[Formation (geology)|formation]] in the [[Paraná Basin]] of southwestern Uruguay whose strata date back to the [[Late Cretaceous]] ([[Campanian]]-[[Maastrichtian]]). Dinosaur remains are among the fossils that have been recovered from the formation.<ref name="cretaceousdistribution">Weishampel et al., 2004, pp. 600-604</ref>


== Vertebrate paleofauna ==
== Vertebrate paleofauna ==
* ''[[Neuquensaurus|Neuquensaurus australis]]''<ref name=FW1/>
* ''[[Neuquensaurus|Neuquensaurus australis]]''<ref>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=64315 Neuquensaurus australis] at [[Fossilworks]].org</ref>
* ''[[Laplatasaurus|Laplatasaurus araukanicus]]''<ref name=FW1/>
* ''[[Laplatasaurus|Laplatasaurus araukanicus]]''<ref>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=64322 Laplatasaurus araukanicus] at [[Fossilworks]].org</ref>
* ''[[Antarctosaurus|Antarctosaurus wichmannianus]]''<ref name=FW1>[http://fossilworks.org/bridge.pl?a=collectionSearch&collection_no=59147 Drable-Palmitas] at [[Fossilworks]].org</ref>
* ''[[Antarctosaurus|Antarctosaurus wichmannianus]]''<ref>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=66264 Antarctosaurus wichmannianus] at [[Fossilworks]].org</ref>


=== Fossil eggs ===
=== Fossil eggs ===
* ''[[Sphaerovum|Sphaerovum erbeni]]''<ref name="Mones 1980">Mones, A. (1980) "Nuevos elementos de la paleoherpetofauna del Uruguay (Crocodilia y Dinosauria)." ''Actas II Congreso Argentino de Paleontologia y Bioestratigrafia y I Congreso Latinoamericano, Buenos Aires'' 1:265-277 (in Spanish)</ref>
* ''[[Sphaerovum|Sphaerovum erbeni]]''<ref name="Mones 1980">[[Álvaro Mones|Mones, A.]] (1980) "Nuevos elementos de la paleoherpetofauna del Uruguay (Crocodilia y Dinosauria)." ''Actas II Congreso Argentino de Paleontologia y Bioestratigrafia y I Congreso Latinoamericano, Buenos Aires'' 1:265-277 (in Spanish)</ref>
* ''[[Tacuarembovum|Tacuarembovum oblongum]]''<ref name="Mones 1980">Mones, A. (1980) "Nuevos elementos de la paleoherpetofauna del Uruguay (Crocodilia y Dinosauria)." ''Actas II Congreso Argentino de Paleontologia y Bioestratigrafia y I Congreso Latinoamericano, Buenos Aires'' 1:265-277 (in Spanish)</ref>
* ''[[Tacuarembovum|Tacuarembovum oblongum]]''<ref name="Mones 1980"/>


== See also ==
== See also ==
{{Portal|Geology|Paleontology|Dinosaurs|Cretaceous|Uruguay|Prehistory of South America}}
* [[List of dinosaur-bearing rock formations]]
* [[List of dinosaur-bearing rock formations]]
* [[List of fossiliferous stratigraphic units in Uruguay]]
* [[List of fossiliferous stratigraphic units in Uruguay]]
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== References ==
== References ==
{{Reflist}}
{{Reflist}}

=== Bibliography ===
* {{citation |last1=Weishampel |first1=David B. |author2-link=Peter Dodson |last2=Dodson |first2=Peter |author3-link=Halszka Osmólska |last3=Osmólska |first3=Halszka |year=2004 |title=The Dinosauria, 2nd edition |url=https://books.google.com/books?id=vtZFDb_iw40C |publisher=Berkeley: University of California Press |pages=1–880 |accessdate=2019-02-21 |isbn=0-520-24209-2 |author1-link=David B. Weishampel }}


== Further reading ==
== Further reading ==
* F. v. Huene. 1929. Terrestrische Oberkreide in Uruguay [The terrestrial Upper Cretaceous in Uruguay]. Centralblatt für Mineralogie, Geologie und Paläontologie Abteilung B 1929:107-112
* F. v. Huene. 1929. Terrestrische Oberkreide in Uruguay [The terrestrial Upper Cretaceous in Uruguay]. Centralblatt für Mineralogie, Geologie und Paläontologie Abteilung B 1929:107-112

{{Stratigraphic formations of Uruguay}}
{{Authority control}}


[[Category:Geologic formations of Uruguay]]
[[Category:Geologic formations of Uruguay]]
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[[Category:Cretaceous Uruguay]]
[[Category:Cretaceous Uruguay]]
[[Category:Campanian Stage]]
[[Category:Campanian Stage]]
[[Category:Maastrichtian Stage]]
[[Category:Maastrichtian Stage of South America]]
[[Category:Sandstone formations]]
[[Category:Sandstone formations]]
[[Category:Ooliferous formations]]
[[Category:Paleontology in Uruguay]]
[[Category:Paleontology in Uruguay]]
[[Category:Paraná Basin|Formations]]
[[Category:Paraná Basin|Formations]]
[[Category:Colonia Department|Formations]]
[[Category:Geography of Colonia Department]]
[[Category:Río Negro Department|Formations]]
[[Category:Geography of Río Negro Department]]
[[Category:Soriano Department|Formations]]
[[Category:Geography of Soriano Department]]
[[Category:Tacuarembó Department|Formations]]
[[Category:Geography of Tacuarembó Department]]

Latest revision as of 06:24, 18 November 2024

Asencio Formation
Stratigraphic range: Campanian-Maastrichtian
~83.6–66.0 Ma
TypeGeological formation
Sub-unitsDel Palacio Member
UnderliesQueguay & Fray Bentos Formations
OverliesMercedes Formation
Lithology
PrimarySandstone
Location
Coordinates33°00′S 57°12′W / 33.0°S 57.2°W / -33.0; -57.2
Approximate paleocoordinates36°36′S 41°36′W / 36.6°S 41.6°W / -36.6; -41.6
RegionColonia, Río Negro, Soriano, Tacuarembó
Country Uruguay
ExtentParaná Basin
Type section
Named forCry of Asencio
Asencio Formation is located in Uruguay
Asencio Formation
Asencio Formation (Uruguay)

The Asencio Formation is a geological formation in the Paraná Basin of southwestern Uruguay whose strata date back to the Late Cretaceous (Campanian-Maastrichtian). Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Vertebrate paleofauna

[edit]

Fossil eggs

[edit]

See also

[edit]

References

[edit]
  1. ^ Weishampel et al., 2004, pp. 600-604
  2. ^ Neuquensaurus australis at Fossilworks.org
  3. ^ Laplatasaurus araukanicus at Fossilworks.org
  4. ^ Antarctosaurus wichmannianus at Fossilworks.org
  5. ^ a b Mones, A. (1980) "Nuevos elementos de la paleoherpetofauna del Uruguay (Crocodilia y Dinosauria)." Actas II Congreso Argentino de Paleontologia y Bioestratigrafia y I Congreso Latinoamericano, Buenos Aires 1:265-277 (in Spanish)

Bibliography

[edit]
  • Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21

Further reading

[edit]
  • F. v. Huene. 1929. Terrestrische Oberkreide in Uruguay [The terrestrial Upper Cretaceous in Uruguay]. Centralblatt für Mineralogie, Geologie und Paläontologie Abteilung B 1929:107-112
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