| 词条 | Quiriquina Formation |
| 释义 |
| name = Quiriquina Formation | image = | caption = | type = Geological formation | period = Maastrichtian | age = Late Maastrichtian | prilithology = Sandstone | otherlithology = Conglomerate | namedfor = Quiriquina Island | namedby = Biró-Bagóczky | year_ts = 1982 | region = Bío Bío, Concepción & Valparaíso Regions | country = {{CHL}} | coordinates = {{coord|33.5|S|71.7|W|display=inline,title}} | paleocoordinates = {{coord|35.6|S|59.2|W|display=inline}} | unitof = Arauco Group | subunits = | underlies = Lebu Group | overlies = Granitic rocks | thickness = | extent = Arauco Basin | area = | map = | map_caption = }} 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{{div col|colwidth=30em}}
See also{{Portal|Earth sciences|Paleontology|Dinosaurs|Cretaceous|Prehistory of South America|}}
References1. ^1 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
8 : Geologic formations of Chile|Upper Cretaceous Series of South America|Cretaceous Chile|Sandstone formations|Fossiliferous stratigraphic units of South America|Paleontology in Chile|Geology of Bío Bío Region|Mapudungun |
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