The Río Limay Subgroup is a geological unit of the

Neuquén Group The Neuquén Group is a group of geologic formations found in Argentina. Rocks in the Neuquén Group fall within the Cenomanian to early Campanian stages of the Late Cretaceous Period. It overlies the older Lohan Cura Formation and is itself over ...

in the

Neuquén Basin Neuquén Basin ( es, Cuenca Neuquina) is a sedimentary basin covering most of Neuquén Province in Argentina. The basin originated in the Jurassic and developed through alternating continental and marine conditions well into the Tertiary. The ba ...

Neuquén Neuquén (; arn, Nehuenken) is the capital city of the Argentine province of Neuquén and of the Confluencia Department, located in the east of the province. It occupies a strip of land west of the confluence of the Limay and Neuquén rive ...

, Mendoza and

Río Negro Province Río Negro (, ''Black River'') is a province of Argentina, located in northern Patagonia. Neighboring provinces are from the south clockwise Chubut, Neuquén, Mendoza, La Pampa and Buenos Aires. To the east lies the Atlantic Ocean. Its c ...

s, northern

Patagonia Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and ...

, Argentina. The strata date back to the

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...

( Early Cenomanian to Early Turonian. The Río Limay Subgroup overlies the

Lohan Cura Formation The Lohan Cura Formation is a geologic formation with outcrops in the Argentine provinces of Río Negro, Neuquén, and Mendoza. It is the second oldest Cretaceous terrestrial formation in the Neuquén Basin. The Lohan Cura Formation unconformabl ...

, separated by an unconformity dated to 98 Ma.Leanza et al., 2004, p.63 Dinosaur remains are among the fossils that have been recovered from the formations it contains.Weishampel et al., 2004, pp. 600-604 Having previously been considered a distinct formation, the Río Limay Subgroup is now considered a member of the larger

, and itself contains several specific geological formations (from youngest to oldest): *

Lisandro Formation __NOTOC__ The Lisandro Formation, alternatively known as the Cerro Lisandro Formation, is a Late Cretaceous ( Late Cenomanian to Early Turonian) geologic formation with outcrops in the Neuquén, Río Negro and Mendoza Provinces of Argentina. It i ...

(late Cenomanian to early Turonian) *

Huincul Formation The Huincul Formation is a geologic formation of Late Cretaceous ( Early Cenomanian to Late Turonian) age of the Neuquén Basin that outcrops in the Mendoza, Río Negro and Neuquén Provinces of northern Patagonia, Argentina.

(late Cenomanian) *

Candeleros Formation The Candeleros Formation (formerly known as the Candeleros Member of the "Río Limay Formation") is a geologic formation that crops out in the Río Negro, Neuquén, and Mendoza provinces of northern Patagonia, Argentina. It is the oldest formati ...

(early Cenomanian)

Fossil content

References

Bibliography

* * {{ISBN, 0-520-24209-2 Geologic formations of Argentina Neuquén Group Upper Cretaceous Series of South America Cretaceous Argentina Cenomanian Stage Turonian Stage Sandstone formations Siltstone formations Shale formations Fossiliferous stratigraphic units of South America Paleontology in Argentina Geology of Mendoza Province Geology of Neuquén Province Geology of Río Negro Province

Limay Limay, officially the Municipality of Limay ( tl, Bayan ng Limay), is a 1st class municipality in the province of Bataan, Philippines. According to the 2020 census, it has a population of 78,272 people. Limay is accessible via the Bataan Provin ...

Fossil content

See also

References

Bibliography