Viñita Formation

Viñita Formation
Stratigraphic range: Santonian-Campanian,
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TypeGeological formation
Lithology
PrimaryAndesite, basalt, tuff
OtherConglomerate
Location
RegionCoquimbo Region
CountryChile

The Viñita Formation is a primarily volcanic and volcaniclastic geological formation with some sedimentary intercalations in Coquimbo, Chile, whose strata date back to the Late Cretaceous about 84 and 78 million years ago (Santonian to Campanian).[1][2][3]

See also

References

  1. ↑ Pineda, G. F.; Emparan, C. C. (2006). "Geología del Área Vicuña-Pichasca, Región de Coquimbo, Escala 1:100000". Carta Geológica de Chile (97). Servicio Nacional de Geología y Minería: 1−40.
  2. ↑ Creixell, C. T.; Labbé, M. R.; Arévalo, C. V.; Salazar, E. P. (2013). "Geología del Área Estación Chañar-Junta de Chingolines, Regiones de Atacama y Coquimbo, Escala 1:100000". Carta Geológica de Chile (150). Servicio Nacional de Geología y Minería: 1−85.
  3. ↑ Salazar, E.; Creixell, C.; Mpodozis, C.; Súarez, M.; Rubilar, A.; Castillo, P.; Folguera, A. (2026). "Late Cretaceous stratigraphy of northern Chile between 28.5 and 30°S: Record of a greenhouse event during early Andean orogenesis". Andean Geology. 53 (3). doi:10.5027/andgeo%x.


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