Viche Formation
Stratigraphic range: Langhian ( Friasian- Colloncuran) ~16–13.7  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Underlies	Angostura Formation
Lithology
Primary	Siltstone
Other	Claystone
Location
Coordinates	1°06′N 79°12′W / 1.1°N 79.2°W / 1.1; -79.2
Approximate paleocoordinates	0°18′N 76°06′W / 0.3°N 76.1°W / 0.3; -76.1
Region	Esmeraldas Province
Country	Ecuador
Extent	Borbón Basin
Type section
Named for	Viche, traditional fish dish
Viche Formation (Ecuador)

The Viche Formation is a Langhian ( Friasian to Colloncuran in the SALMA classification) geologic formation of the Borbón Basin in northwestern Ecuador. The formation underlies the Angostura Formation. Fossils of Ziphiidae indet. have been found in the formation. ^[1]

See also

• List of fossiliferous stratigraphic units in Ecuador

References

Further reading

• G. Bianucci, W. Landini, G. Valleri, L. Ragaini, and A. Varola. 2005. First cetacean fossil records from Ecuador, collected from the Miocene of Esmeraldas Province. Rivista Italiana di Paleontologia e Stratigrafia 111(2):345-350