Quiriquina Formation

Quiriquina Formation
Stratigraphic range: Late Maastrichtian
Type Geological formation
Unit of Arauco Group
Underlies Lebu Group
Overlies Granitic rocks
Lithology
Primary Sandstone
Other Conglomerate
Location
Coordinates 33°30′S 71°42′W / 33.5°S 71.7°W / -33.5; -71.7Coordinates: 33°30′S 71°42′W / 33.5°S 71.7°W / -33.5; -71.7
Approximate paleocoordinates 35°36′S 59°12′W / 35.6°S 59.2°W / -35.6; -59.2
Region Bío Bío, Concepción & Valparaíso Regions
Country  Chile
Extent Arauco Basin
Type section
Named for Quiriquina Island
Named by Biró-Bagóczky
Year defined 1982

The Quiriquina Formation is a geological formation in Chile whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The glauconitic sandstones and conglomerates of the formation were deposited in a marine environment.[2]

Vertebrate paleofauna

See also

References

  1. 1 2 Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. ISBN 0-520-24209-2.
  2. ↑ Cocholgüe village, sea coast at Fossilworks.org
  3. ↑ Quiriquina at Fossilworks.org

Further reading

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