Earth:Riochican
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Short description: Geologic age
The Riochican (Spanish: Riochiquense) age is a period of geologic time (57.0–54.0 Ma) within the Paleocene and Eocene epochs of the Paleogene, used more specifically within the South American land mammal ages (SALMA). It follows the Peligran and precedes the Itaboraian age.[1]
Etymology
This age is named after the Río Chico Group of the Golfo San Jorge Basin.
Formations
Locations of Riochican formations
| Formation bold is type |
Country | Basin | Notes |
|---|---|---|---|
| Río Chico Group |  Argentina |
Golfo San Jorge Basin | |
| Bogotá Formation |  Colombia |
Altiplano Cundiboyacense | |
| Bororó Formation | Argentina |
Golfo San Jorge Basin | |
| Chota Formation |  Peru |
Bagua Basin | |
| Koluel Kaike Formation | Argentina |
Golfo San Jorge Basin | |
| Las Flores Formation | Argentina |
Austral Basin | |
| Maíz Gordo Formation | Argentina |
Salta Basin | |
| Mealla Formation | Argentina |
Salta Basin | |
| Mogollón Formation | Peru |
Talara & Tumbes Basins | |
| Muñani Formation | Peru |
Altiplano Basin | |
| Peñas Coloradas Formation | Argentina |
Golfo San Jorge Basin | |
| Río Loro Formation | Argentina |
Sierras Pampeanas | |
| Salamanca Formation | Argentina |
Golfo San Jorge Basin |
Fossils
| Group | Fossils | Formation | Notes |
|---|---|---|---|
| Mammals | Etayoa bacatensis | Bogotá | |
| Brandmayria simpsoni, Ernestokokenia chaishoer, E. ?yirunhor, Isotemnus cf. primitivus, Palangania brandmayri, Anisolambda sp., Henricosbornia sp., Josepholeidya sp., Notopithecus sp., Othnielmarshia sp., Polydolops winecage, Ricardolydekkeria sp., Trigonostylops sp., Victorlemoinea sp., ?Eohyrax sp., ?Nemolestes sp., ?Notostylops sp., ?Pleurostylodon sp., ?Polystylops sp., ?Postpithecus sp., Dasypodidae indet. | Koluel Kaike | ||
| Eoastrapostylops riolorense, Notonychops powelli, Satshatemnus bonapartei | Río Loro | ||
| Reptiles & amphibians |
Testudines indet. | Koluel Kaike | |
| Pelomedusoides sp. | Maíz Gordo | ||
| Lorosuchus nodosus, Pelomedusoides cf. argentinensis | Río Loro | ||
| Fishes | ?Cyprinodon primulus | Maíz Gordo | |
| Insects | Anthicus sepultulus, Austrolibellula noroestenia, Carabites harringtoni, Celinapterix bellissima, Cryptophagus sunchalensis, Curculionites harringtoni, C. jujuyensis, C. magdalinus, C. parastictus, C. stebingeri, C. sunchalicus, C. wielandi, Curviarculia delicata, C. lamasi, Gryllites vocalis, Jujusia maizgorda, Latibasalia elongata, L. quispeae, Lebia harrelli, Ormenis devincta, Otiorhynchites aterrimus, O. crassus, Palaeomacromia multicellulata, Palaeophya argentina, Promegalestes singularis, Tenebrionites inclinans, Thyridates novokschonovi, ?Anthonomus sunchalensis, ?Corizus deflagratus, ?Cossonus devoratus, ?Haruspex defectus, ?Molanna derosa, ?Podabrus santaritensis, ?Trichodes stebingeri | Maíz Gordo | |
| Flora | Banaraphyllum ovatum, Cissites patagonica, Cryptocaryoides mariasantisimensis, Dryophyllum australis, Fagophyllum duseni, Laurophyllum chubutensis, Laurophyllum piatnitzkyi, Myrica premira, Nothofagidites visserensis, Paranymphaea aristolochiaformis, Sterculia acuminataloba, Zizyphus chubutensis | Río Chico | |
| Palmoxylon patagonicum | Bororó | ||
| Cordioxylon prototrichotoma | Peñas Coloradas |
||
| Palmoxylon patagonicum | Salamanca |
References
- ↑ Paleo Database: Riochican
- ↑ Raigemborn et al., 2010, p.240
- ↑ Bayona et al., 2012, p.103
- ↑ Scarfati et al., 2009, p.36
- ↑ Chacaltana et al., 2015, p.2
- ↑ Castro Medina, 2010, p.53
- ↑ Raigemborn et al., 2010, p.251
- ↑ Raigemborn et al., 2010, p.249
- ↑ Narváez, 2009, p.24
- ↑ Sánchez & Marquillas, 2010, p.389
- ↑ Quispe Alcalá, 2010, p.21
- ↑ Gelfo & Goin, 2011
- ↑ 13.0 13.1 Clyde et al., 2014, p.303
- ↑ Pol & Powell, 2011, S9
- ↑ Quebrada Mochuelo at Fossilworks.org
- ↑ Bajo Palangana at Fossilworks.org
- ↑ Bajo de la Palangana at Fossilworks.org
- ↑ 18.0 18.1 Cerro Redondo at Fossilworks.org
- ↑ Aguas Chiquitas at Fossilworks.org
- ↑ Quebrada del Puesto at Fossilworks.org
- ↑ El Cadillal Lake at Fossilworks.org
- ↑ 22.0 22.1 Sierra Santa Bárbara East at Fossilworks.org
- ↑ Quebrada El Gritón at Fossilworks.org
- ↑ La Cuesta Azul at Fossilworks.org
- ↑ El Fuerte at Fossilworks.org
- ↑ La Mendieta at Fossilworks.org
- ↑ El Garabatal at Fossilworks.org
- ↑ Sunchal at Fossilworks.org
- ↑ Sunchal Station 3 at Fossilworks.org
- ↑ Cerro Funes at Fossilworks.org
- ↑ Puerto Visser at Fossilworks.org
- ↑ 32.0 32.1 Palmoxylon at Fossilworks.org
- ↑ Puerto Visser at Fossilworks.org
Bibliography
- Bogotá Formation
- Bloch, Jonathan Ivan; Edwin Cadena; Alexander Hastings; Aldo F. Rincón, and Carlos Jaramillo. 2008. Vertebrate faunas from the Paleocene Bogotá Formation of northern Colombia (Abstract). Journal of Vertebrate Paleontology Society of Vertebrate Paleontology, 68th Annual Meeting. _. Accessed 2017-03-29.
- Guerrero Uscátegui, Alberto Lobo. 1992. Geología e Hidrogeología de Santafé de Bogotá y su Sabana, 1–20. Sociedad Colombiana de Ingenieros.
- Montoya Arenas, Diana María, and Germán Alfonso Reyes Torres. 2005. Geología de la Sabana de Bogotá, 1–104. INGEOMINAS.
- Bororó Formation
- Scarfati, L.; D.L. Melendi, and W. Volkheimer. 2009. A Danian subtropical lacustrine palynobiota from South America (Bororó Formation, San Jorge Basin, Patagonia - Argentina). Geologica Acta 7. 35–61. Accessed 2018-09-10.
- Chota Formation
- Castro Medina, Walter Fidel. 2010. Geología, informe temático. Proyecto Zonificación Ecológica y Económica del departamento de Amazonas, 1–76. Instituto de Investigaciones de la Amazonía Peruana (IIAP). Accessed 2018-09-04.
- Chacaltana, César; Alexandra Lucytania Benites Cañote; Waldir Valdivia, and Marco Chumpitaz. 2014. La formación Chota en la Cuenca Bagua: Evaluación e implicancias del criterio de clasificación litoestratigráfico, 1–4. Congreso Peruano de Geología. Accessed 2017-08-15.
- Las Flores Formation
- Raigemborn, María Sol; Javier M. Krause; Eduardo Bellosi, and Sergio D. Matheos. 2010. Redefinición estratigráfica del Grupo Río Chico (Paleógeno inferior), en el norte de la Cuenca del Golfo San Jorge, Chubut. Revista de la Asociación Geológica Argentina 67. 239–256. Accessed 2017-08-15.
- Koluel Kaike Formation
- Raigemborn, María Sol; Javier M. Krause; Eduardo Bellosi, and Sergio D. Matheos. 2010. Redefinición estratigráfica del Grupo Río Chico (Paleógeno inferior), en el norte de la Cuenca del Golfo San Jorge, Chubut. Revista de la Asociación Geológica Argentina 67. 239–256. Accessed 2017-08-15.
- Maíz Gordo Formation
- Narváez, Paula Liliana. 2009. Palinoestratigrafía, paleoambientes y cambios climáticos durante el Cretácico final y Paleógeno de la Cuenca del Grupo Salta, República Argentina (PhD thesis), 1–229. Universidad Nacional de Salta. Accessed 2017-10-18.
- Mealla Formation
- Sánchez, María Cristina, and Rosa A. Marquillas. 2010. Facies y ambientes del Grupo Salta (Cretácico-Paleógeno) en Tumbaya, Quebrada de Humahuaca, Provincia de Jujuy. Revista de la Asociación Geológica Argentina 67. 383–391. Accessed 2018-09-07.
- Mogollón Formation
- Antoine, Pierre-Olivier; Guillaume Billet; Rodolfo Salas Gismondi; Julia Tejada Lara; Patrice Baby; Stéphane Brusset, and Nicolas Espurt. 2015. A New Carodnia Simpson, 1935 (Mammalia, Xenungulata) from the Early Eocene of Northwestern Peru and a Phylogeny of Xenungulates at Species Level. Journal of Mammalian Evolution 22. 129–140. Accessed 2019-02-13.
- Quispe Alcalá, David Ricardo. 2010. Evaluación Geológica de la Formación Mogollón en el Yacimiento Leones – Cuenca Talara (MSc. thesis), 1–87. Universidad Nacional de Ingeniería. Accessed 2017-10-18.
- Muñani Formation
- Gelfo, Javier N., and Bernard Sigé. 2011. A new didolodontid mammal from the late Paleocene–earliest Eocene of Laguna Umayo, Peru. Acta Palaeontologica Polonica 56. 665–678. Accessed 2017-08-15.
- Peñas Coloradas Formation
- Clyde, William C.; Peter Wilf; Ari Iglesias; Rudy L. Slingerland; Peter K. Bijl; Timothy J. Bralower; Henk Brinkhuis; Emily Comer, and Brian T. Huber, Mauricio Ibañez Mejia, Brian R. Jicha, J. Marcelo Krause, Jonathan D. Schueth, Bradley S. Singer, María Sol Raigemborn, Mark D. Schmitz, Appy Sluijs, and María del Carmen Zamaloa. 2014. New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations. GSA Bulletin 126. 289–306. Accessed 2017-08-15.
- Raigemborn, María Sol; Javier M. Krause; Eduardo Bellosi, and Sergio D. Matheos. 2010. Redefinición estratigráfica del Grupo Río Chico (Paleógeno inferior), en el norte de la Cuenca del Golfo San Jorge, Chubut. Revista de la Asociación Geológica Argentina 67. 239–256. Accessed 2017-08-15.
- Río Loro Formation
- Pol, Diego, and Jaime E. Powell. 2011. A new sebecid mesoeucrocodylian from the Rio Loro Formation (Palaeocene) of north-western Argentina. Zoological Journal of the Linnean Society 163. S7–S36.
- Salamanca Formation
- Apesteguia, Sebastián; Raúl O. Gómez, and Guillermo W. Rougier. 2014. The youngest South American rhynchocephalian, a survivor of the K/Pg extinction. Proceedings of the Royal Society B: Biological Sciences 281. 20140811. Accessed 2019-03-03.
- Bonaparte, J.F., and J. Morales. 1997. Un primitico Notonychopidae (Litopterna) del paleoceno inferior de Punta Peligro, Chubut, Argentina. Estudios Geológicos 53. 263–274. Accessed 2018-10-01.
- Clyde, William C.; Peter Wilf; Ari Iglesias; Rudy L. Slingerland; Timothy Barnum; Peter K. Bijl; Timothy J. Bralower; Henk Brinkhuis, and Emily E. Comer, Brian T. Huber, Mauricio Ibañez Mejia, Brian R. Jicha, J. Marcelo Krause, Jonathan D. Schueth, Bradley S. Singer, María Sol Raigemborn, Mark D. Schmitz, Appy Sluijs, María del Carmen Zamaloa. 2014. New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations. GSA Bulletin 126. 289–306. Accessed 2017-08-15.
- Jud, Nathan A.; Maria A. Gandolfo; Ari Iglesias, and Peter Wilf. 2017. Flowering after disaster: Early Danian buckthorn (Rhamnaceae) flowers and leaves from Patagonia. PLOS ONE 12. e0176164. Accessed 2019-02-14.
- Ruiz, Daniela P.; Mariana Brea; M. Sol Raigemborn, and Sergio D. Matheos. 2017. Conifer woods from the Salamanca Formation (early Paleocene), Central Patagonia, Argentina: Paleoenvironmental implications. Journal of South American Earth Sciences 76. 427–445. Accessed 2019-02-14.
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