Chucal Formation

Chucal Formation
Stratigraphic range: Miocene PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Overlies	Lupica Formation
Location
Region	Arica y Parinacota Region
Country	Chile

Chucal Formation (Spanish: Formación Chucal) is a volcano-sedimentary geological formation in the Andes of Arica y Parinacota Region in northernmost Chile. Sediments of the formation deposited sometime during the Miocene epoch (23 to 5 million years ago) and represent fluvial and lacustrine environments.^[1] It overlies Lupica Formation.^[1]

References

1. Charrier, Reynaldo; Chávez, Álvaro N.; Elgueta, Sara; Hérail, Gérard; Flynn, John J.; Croft, Darin A.; Wyss, André R.; Riquelme, Rodrigo; García, Marcelo (2005). "Rapid tectonic and paleogeographic evolution associated with the development of the Chucal anticline and the Chucal-Lauca Basin in the Altiplano of Arica, northern Chile". Journal of South American Earth Sciences. 19 (1): 35–54.