Charco Azul Formation
Charco Azul Formation Stratigraphic range: Pliocene | |
---|---|
Type | Formation |
Unit of | Charco Azul Group |
Underlies | Armuelles Formation |
Lithology | |
Primary | Shale |
Other | Tuff |
Location | |
Coordinates | 8°30′N 82°48′W / 8.5°N 82.8°WCoordinates: 8°30′N 82°48′W / 8.5°N 82.8°W |
Approximate paleocoordinates | 8°18′N 82°12′W / 8.3°N 82.2°W |
Region | Chiriquí Province |
Country | ![]() ![]() |
Type section | |
Named for | Charco Azul |
![]() ![]() Charco Azul Formation (Panama) |
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[]
- List of fossiliferous stratigraphic units in Costa Rica
- List of fossiliferous stratigraphic units in Panama
References[]
- ^ a b c Charco Azul Formation at Fossilworks.org
Further reading[]
- P. Jung. 1989. Revision of the Strombina-group (Gastropoda; Columbellidae), fossil and living. Schweierische Paläontologische Abhandlungen 111:1-298
Categories:
- Geologic formations of Costa Rica
- Neogene Costa Rica
- Geologic formations of Panama
- Neogene Panama
- Shale formations
- Tuff formations
- Deep marine deposits
- Chiriquí Province