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Cuyo Basin
Cuenca Cuyana
Location of the basin in Argentina
Coordinates	34°15′S 68°34′W / 34.250°S 68.567°W / -34.250; -68.567
Etymology	Cuyo River
Country	Argentina
State(s)	Mendoza, San Juan
Cities	Mendoza
Characteristics
On/Offshore	Onshore
Boundaries	Andes
Part of	Andean foreland basins
Area	~30,000 km (12,000 sq mi)
Hydrology
River(s)	Cuyo River
Geology
Basin type	Foreland basin
Plate	South American
Orogeny	Andean
Age	Triassic-Pliocene
Stratigraphy	Stratigraphy
Field(s)	Tupungato

Cuyo Basin (Spanish: Cuenca Cuyana) is a sedimentary basin in Mendoza Province, western Argentina. The Cuyo Basin has a NNW-SSE elongated shape and is limited to the west by the Sierra Pintada System and to the east by the Pampean pericraton. To the north the basin reaches the area around the city of Mendoza.

Description

The Cuyo Basin has an approximate area of 30,000 square kilometres (12,000 sq mi). It has two major sub-basins: Cacheuta (Spanish: Subcuenca Cacheuta) in the north and Alvear (Spanish: Subcuenca Alvear) in the south. The northern fringes of Cacheuta sub-basin reaches into San Juan Province. The basin existed already during the Triassic but its current shape is derivative of the Andean orogeny.

The basin originated as a rift basin in the context of extensional tectonics and crustal thinning that followed the Paleozoic Gondwanide orogeny.

Stratigraphy

The stratigraphy of the Cuyo Basin comprises the following formations:

See also

• Geological history of the Precordillera terrane
• Colorado Basin, basin to the southeast of Cuyo Basin
• Ischigualasto-Villa Unión Basin, Triassic rift basin to the north of Cuyo Basin
• Neuquén Basin, Mesozoic rift basin to the south of Cuyo Basin
• Paraná Basin, basin to the northeast of Cuyo Basin
• Salta Basin, Mesozoic rift basin to the north of Cuyo Basin

Notes and references

Notes

1. These tectonics are not related to the break-up of Gondwana later in the Mesozoic.

References

1. ^ "Cuenca Cuyana". Secretaría de Energía (in Spanish). Government of Argentina. Retrieved 30 November 2015.
2. Zencich et al., 2008, p.110
3. ^ Spalletti et al., 2008, p.270
4. Yrigoyen, 1993
5. Garrido et al, 2017, p.51
6. ^ Zencich et al., 2008, p.112
7. ^ Spalletti et al., 2008, p.269
8. Spalletti et al., 2005
9. ^ Finney, 2007
10. ^ Keller et al., 1998

Bibliography

General

• Spalletti, L.A.; Fanning, C.M.; Rapela, C.W. (2008), "Dating the Triassic continental rift in the southern Andes: the Potrerillos Formation, Cuyo Basin, Argentina", Geologica Acta, 6 (3): 267–283, retrieved 2020-07-14
• Zencich, Silvia; Villar, Héctor J.; Boggetti, Daniel (2008), Sistema petrolero Cacheuta-Barrancas de la Cuenca Cuyana, Provincia de Mendoza, Argentina (PDF), Sistemas Petroleros de las Cuencas Andinas, pp. 109–134, retrieved 2017-08-21
• Finney, S.C (2007), "The parautochthonous Gonwanan origin of the Cuyania (greater Precordillera) terrane of Argentina: A re-evaluation of evidence used to support an allochthonous Laurentian origin", Geologica Acta, 5: 127–158, retrieved 2020-07-14
• Spalletti, L.; Morel, E.; Artabe, A.; Zavattieri, A.; Ganuza, D. (2005), "Stratigraphy, sedimentary facies and palaeoflora of the Potrerillos Triassic succession, Mendoza, Republic of Argentina", Revista Geológica de Chile, 32: 249–272, doi:10.4067/S0716-02082005000200005, retrieved 2020-07-14
• Keller, M.; Buggisch, W.; Lehnert, O. (1998), "The stratigraphical record of the Argentine Precordillera and its plate-tectonic background. The Proto-Andean Margin of Gondwana", Geological Society, London, Special Publications, 142: 35–56, doi:10.1144/GSL.SP.1998.142.01.03, retrieved 2020-07-14
• Yrigoyen, Marcelo R (1993), "Revisión estratigráfica del Neogeno de las Huayquerías de Mendoza septentrional, Argentina", Ameghiniana, 31: 125–138, retrieved 2019-03-08

Divisadero Largo Formation

• Simpson, G.G.; Minoprio, J.L.; Patterson, B. (1962), "The mammalian fauna of the Divisadero Largo Formation, Mendoza, Argentina", Bulletin of the Museum of Comparative Zoology, 127: 239–293, retrieved 2019-02-15

Huayquerías Formation

• Forasiepi, Analía M.; MacPhee, Ross D.E.; Hernández del Pino, Santiago; Schmidt, Gabriela I.; Amson, Eli; Grohé, Camille (2016), "Exceptional skull of Huayqueriana (Mammalia, Litopterna, Macraucheniidae) from the Late Miocene of Argentina: anatomy, systematics and paleobiological implications" (PDF), Bulletin of the American Museum of Natural History, 404: 1–76, doi:10.1206/0003-0090-404.1.1, retrieved 2018-10-01
• Garrido, Alberto C.; Bonini, Ricardo; Barbeau, David L. (2017), Paleoambiente, edad y vertebrados de la Formación Huayquerías, Mioceno tardio, Provincia de Mendoza, Republica Argentina, XX Congreso Geológico Argentino, pp. 50–55, retrieved 2018-09-10

Mariño Formation

• Cerdeño, Esperanza; Vera, Bárbara; Combina, Ana María (2018), "A new early Miocene Mesotheriidae (Notoungulata) from the Mariño Formation (Argentina): Taxonomic and biostratigraphic implications", Journal of South American Earth Sciences, 88: 118–131, Bibcode:2018JSAES..88..118C, doi:10.1016/j.jsames.2018.06.016, hdl:11336/158508, retrieved 2019-02-11
• Cerdeño, Esperanza; Guiomar Vucetich, M. (2007), "The first rodent from the Mariño Formation (Miocene) at Divisadero Largo (Mendoza, Argentina) and its biochronological implications" (PDF), Andean Geology, 34: 199–207, doi:10.5027/andgeoV34n2-a02, retrieved 2017-10-23

Further reading

• Bally, A.W.; Snelson, S. (1980), "Realms of subsidence", Canadian Society for Petroleum Geology Memoir, 6: 9–94
• Kingston, D.R.; Dishroon, C.P.; Williams, P.A. (1983), "Global Basin Classification System" (PDF), AAPG Bulletin, 67: 2175–2193, retrieved 2017-06-23
• Klemme, H.D (1980), "Petroleum Basins - Classifications and Characteristics", Journal of Petroleum Geology, 3 (2): 187–207, Bibcode:1980JPetG...3..187K, doi:10.1111/j.1747-5457.1980.tb00982.x

v t e Major South American geological features
Tectonic plates	Antarctic Caribbean Cocos Coiba Malpelo Nazca North Andes Scotia South American
Cratons and shields	Amazonian Craton Arequipa-Antofalla Craton Atlantic Shield Central Brazilian Shield Guiana Shield Paranapanema Block Río Apa Craton Río de la Plata Craton São Francisco Craton Uruguayan Shield
Structures undergoing subduction	Antarctic plate Carnegie Ridge Chile Rise Juan Fernández Ridge Malpelo Ridge Nazca plate Nazca Ridge
Faults and shear zones	Atacama Boconó Bucaramanga-Santa Marta Cochabamba Cordillera Blanca Córdoba Dolores-Guayaquil Domeyko Eastern Frontal Gastre Huincul Liquiñe-Ofqui Magallanes-Fagnano Meta Morón Oca-Ancón Pernambuco El Pilar Romeral San Ramón Sarandí del Yí Sierra Ballena Sobral El Tigre Trans-Brazilian
Rifts and grabens	Aguapeí Amazon Rift Asunción Rift Cuyo Rift Espino Neuquén Rifts Paramirim Salta Rifts
Sedimentary basins	Altiplano Amazon Andean foreland Central Brazil Chaco Colorado Cuyo Eastern Venezuela Golfo San Jorge Magallanes Malvinas Neuquén Pantanal Paraíba Paraná Salta Solimões
Orogenies	Andean Brasiliano Cariri Velhos Chonide Famatinian Gondwanide Juruá Pampean San Rafael Sunsás Terra Australis Tilcarian
Metallogenetic provinces	Bolivian Tin Belt Chilean Iron Belt Deseado Massif El Indio Gold Belt El Mutún Iron Quadrangle Lithium Triangle Pampean Pegmatite Province
Volcanism	Volcanic provinces Andean North Central South Austral Caribbean Central Atlantic Paraná and Etendeka Hotspots Ascension Noronha hotspot Galápagos Juan Fernández San Felix Trindade

v t e Sedimentary basins of Argentina
Onshore & offshore	Northern Region Bermejo Basin Claromecó Basin Colorado Basin Cuyo Basin Iglesia-Calingasta-Uspallata Basin Ischigualasto-Villa Unión Basin Jocolí Basin Laboulaye Basin Macachín Basin Mercedes Basin Paraná Basin Chaco Basin Pipanaco Basin Salado Basin Salta Basin Santa María-Hualfín Basin Tucumán-Salinas Basin Valle de La Rioja Basin Patagonia Austral Basin Cañadón Asfalto Basin El Tranquilo Basin Golfo San Jorge Basin Neuquén Basin Ñirihuau Basin Valdés Basin
Offshore	Argentina Basin Colorado Marina Basin Malvinas Basin Rawson Basin San Julián Basin
Sources	Álvarez Pontoriero, O.; Giménez, M.; Braitemberg, C.; Martínez, M.; Ruíz, F.; Introcaso, A.; Guspí, F. (2011). Principales cuencas sedimentarias de Argentina, interpretadas mediante Gravimetría Satelital. VIII Congreso de Exploración y Desarrollo de Hidrocarburos. pp. 13–20. Retrieved 2018-08-28.       Mapa de cuencas sedimentarias (Map). YPF. p. 1. Retrieved 2018-08-28.
Category • Images

• Sedimentary basins of Argentina
• Mesozoic rifts and grabens
• Foreland basins
• Geology of Mendoza Province
• Geology of San Juan Province, Argentina