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| Chucal Formation | |
|---|---|
Stratigraphic range:Miocene | |
| Type | Geological formation |
| Overlies | Lupica Formation |
| Location | |
| Region | Arica y Parinacota Region |
| Country | Chile |
Chucal Formation (Spanish:Formación Chucal) is avolcano-sedimentarygeological formation in the Andes ofArica y Parinacota Region in northernmost Chile. Sediments of the formation deposited sometime during theMiocene epoch (23 to 5 million years ago) and represent fluvial and lacustrine environments.[1] It overliesLupica Formation.[1]
