Socotá Formation
| Socotá Formation | |
|---|---|
| Stratigraphic range: Late Aptian ~ | |
| Type | Geological formation |
| Unit of | Villeta Group |
| Underlies | El Peñón Fm., Hiló Fm., Capotes Fm. |
| Overlies | Trincheras Formation |
| Thickness | more than 255 m (837 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 4°31′19″N 74°33′06″W / 4.52194°N 74.55167°W |
| Region | Altiplano Cundiboyacense Eastern Ranges, Andes |
| Country | Colombia |
| Type section | |
| Named for | Socotá, Apulo |
| Named by | Cáceres & Etayo |
| Location | Apulo |
| Year defined | 1969 |
| Coordinates | 4°31′19″N 74°33′06″W / 4.52194°N 74.55167°W |
| Region | Cundinamarca |
| Country | Colombia |
Paleogeography of Northern South America 120 Ma, by Ron Blakey | |
The Socotá Formation (Spanish: Formación Socotá, Kis) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consisting of a lower unit of calcareous sandstones and an upper sequence of shales dates to the Early Cretaceous period; Late Aptian epoch and in Quipile has a measured thickness of 255 metres (837 ft) with large regional variations. The formation hosts ammonite fossils.