Chucal Formation

Chucal Formation
Chucal Formation
; Stratigraphic range : Miocene Pre? ? 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 : Formacion 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 [ edit ]

^ ^a ^b Charrier, Reynaldo ; Chavez, Alvaro N.; Elgueta, Sara; Herail, Gerard; Flynn, John J.; Croft, Darin A.; Wyss, Andre R.; Riquelme, Rodrigo; Garcia, 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.