Friasian

The Friasian age is a period of geologic time (16.3–15.5 Ma) within the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification of South America. It follows the Santacrucian and precedes the Colloncuran age.

Etymology

The age is named after the Río Frías Formation in the Aysén Basin, Patagonia, Chile.

Formations

Fossils

References

Bibliography

Río Frías Formation

Castilletes Formation

Cerdas Beds

Chilcatay Formation

Cura-Mallín Group

Gran Bajo del Gualicho Formation

Parángula Formation

Pebas Formation

Río Foyel Formation

Río Yuca Formation