Caleta Chonos Formation
Caleta Chonos Formation (Spanish: Formación Caleta Chonos) is a geological formation of Oligocene age located around Chacao Channel in southern Chile. The formation overlies Bahía Mansa Metamorphic Complex and is overlain by the Ancud Volcanic Complex. It crops out in northwestern Chiloé Island in the isthmus of Lacuy Peninsula.
| Caleta Chonos Formation | |
|---|---|
| Stratigraphic range: Oligocene | |
| Type | Geological formation |
| Underlies | Ancud Volcanic Complex |
| Overlies | Bahía Mansa Metamorphic Complex |
| Lithology | |
| Primary | Conglomerate, sandstone |
| Other | Coal, tuff breccia |
| Location | |
| Coordinates | 41.8°S 74.0°W |
| Region | Los Lagos Region |
| Country | Chile |
| Extent | Lacuy Peninsula |
| Type section | |
| Named for | Caleta Chonos |
Caleta Chonos Formation (Chile) | |
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