Английская Википедия:Charco Azul Formation

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Шаблон:Infobox rockunit

Charco Azul Formation is a geologic formation of the Charco Azul Group in western Panama and southeastern Costa Rica. It preserves gastropod fossils dating back to the Pliocene period.[1]

Description

The Charco Azul Formation comprises tuffaceous shales deposited in a deep marine environment The formation unconformably underlies the Armuelles Formation. The formation is correlated to the Jama and Canoa Formations of Ecuador.[1]

Fossil content

These fossils have been reported from the formation:[1]

See also

Шаблон:Portal

References

Шаблон:Reflist

Further reading

  • P. Jung. 1989. Revision of the Strombina-group (Gastropoda; Columbellidae), fossil and living. Schweierische Paläontologische Abhandlungen 111:1-298