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Bahía Inglesa Formation

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Bahía Inglesa Formation
Stratigraphic range: Miocene–Pleistocene
Bahía Inglesa Formation exposures at Chorrillos beach, far from Bahia Inglesa
TypeGeological formation
UnderliesEstratos de Caldera (Caldera Beds)
OverliesAngostura Formation
Lithology
PrimaryConglomerate, coquina, sand, sandstone, siltstone, shale
OtherClay, limestone
Location
RegionAtacama Region
Country Chile
ExtentCaldera Basin
Type section
Named forBahía Inglesa

The Bahía Inglesa Formation (alternatively misspelled "Bahia") is a littoral, sedimentary, and highly fossiliferous geological formation that outcrops across the nearby coastal zones of Caldera, Chile. The unit is part of the greater Caldera Basin and was deposited in deep-shallow water, littoral paleoenvironments. It holds an exquisite fossil record in several localities (such as Cerro Ballena), mostly composed of marine mammals, as well as invertebrate taxa.[1][2][3][4]

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Panoramic view of Salto del Gato locality with sediments of the Bahía Inglesa Formation

See also

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References

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  1. ^ Pyenson, N. D.; Gutsein, C. S.; Parham, J. F.; Le Roux, J. P.; Chavarria, C. C.; Little, H.; Metallo, A.; Rossi, V.; Valenzuela-Toro, A. M.; Velez-Juarbe, J.; Santelli, C. M.; Rogers, D. R.; Cozzuol, M. A; Suárez, M. E. (2014). "Repeated mass strandings of Miocene marine mammals from Atacama Region of Chile point to sudden death at sea". Proceedings of the Royal Society B: Biological Sciences. 281 (1781). doi:10.1098/rspb.2013.3316. PMC 3953850. PMID 24573855. Supplemental Material
  2. ^ Le Roux, J. P.; Achurra, L.; Henríquez, Á.; Carreño, C.; Rivera, H.; Suárez, M. E.; Ishman, S. E.; Pyenson, N. D.; Gutstein, C. S. (2016). "Oroclinal bending of the Juan Fernández Ridge suggested by geohistory analysis of the Bahía Inglesa Formation, north-central Chile" (PDF). Sedimentary Geology. 333: 32–49. Bibcode:2016SedG..333...32L. doi:10.1016/j.sedgeo.2015.12.003.
  3. ^ Oyanadel-Urbina, P.; De Gracia, C.; Carrillo-Briceño, J. D.; Nielsen, S. N.; Flores, H.; Casteletto, V.; Kriwet, J.; Rivadeneira, M. M.; Villafaña, J. A. (2021). "Neogene Bony Fishes from the Bahía Inglesa Formation, Northern Chile" (PDF). Ameghiniana. 58 (4): 345−368. doi:10.5710/amgh.26.05.2021.3375. S2CID 236644447.
  4. ^ Püschel, H. P.; Alarcón-Muñoz, J.; Soto-Acuña, S.; Ugalde, R.; Shelley, S. L.; Brusatte, S. L. (2023). "Anatomy and phylogeny of a new small macraucheniid (Mammalia: Litopterna) from the Bahía Inglesa Formation (late Miocene), Atacama Region, Northern Chile". Journal of Mammalian Evolution. 30 (2): 415–460. doi:10.1007/s10914-022-09646-0.
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