Chaunaca Formation
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| Chaunaca Formation | |
|---|---|
| Stratigraphic range: Campanian | |
| Type | Geological formation |
| Unit of | Upper Puca Group |
| Overlies | Aroifilla Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 19°06′S 65°30′W / 19.1°S 65.5°W |
| Approximate paleocoordinates | 22°24′S 47°06′W / 22.4°S 47.1°W |
| Region | Chuquisaca Department |
| Country | Bolivia |
| Extent | Subandean Belt |
| Type section | |
| Named for | Chaunaca |
  Chaunaca Formation (Bolivia) | |
The Chaunaca Formation is a Campanian geologic formation of Bolivia. Fossil sauropod tracks have been reported from the formation.[1][2]