Azapa Formation (Spanish: Formación Azapa) is a geological formation in northern Chile made up of gravels of fluvial origin. It is conformably overlain by Oxaya Formation.[1] Azapa Formation is deformed by the Oxaya anticline.[2]

Azapa Formation
Stratigraphic range: Oligocene
UnderliesOxaya Formation
Lithology
PrimaryFluvial gravel
Location
RegionArica y Parinacota Region
Country Chile

References

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  1. ^ García, Marcelo; Herail, Gérard; Charrier, Reynaldo (1999). Age and structure of the Oxaya Anticline: A major feature of the Miocene compressive structures of northernmost Chile (PDF). Fourth ISAG. Goettingen, Germany. pp. 249–252.
  2. ^ Zeilinger, Gerold; Schlunegger, Fritz; Simpson, Guy (2005). "The Oxaya anticline (northern Chile): a buckle enhanced by river incision?". Terra Nova (17): 368–375.