Colorado Formation, Argentina
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| Colorado Formation | |
|---|---|
| Stratigraphic range: Campanian-Maastrichtian | |
| Type | Geological formation |
| Overlies | Paleozoic basement |
| Thickness | 30 m (98 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Conglomerate |
| Location | |
| Coordinates | 38°12′S 64°30′W / 38.2°S 64.5°W |
| Approximate paleocoordinates | 41°18′S 49°48′W / 41.3°S 49.8°W |
| Region | La Pampa Province |
| Country | Argentina |
| Extent | Colorado Basin |
| Type section | |
| Named for | Colorado River |
  Colorado Formation, Argentina (Argentina) | |
The Colorado Formation is a Late Cretaceous (Campanian to Maastrichtian geologic formation that is exposed within the Colorado Basin in the southeastern part of La Pampa Province, Argentina. Fossil dinosaur eggs of Sphaerovum erbeni have been reported from the nonmarine, fluvial strata of this formation.[1][2]