Marichuela Formation
| Marichuela Formation | |
|---|---|
| Stratigraphic range: Late Miocene-Early Pliocene ~ | |
| Type | Geological formation |
| Underlies | Tilatá Formation |
| Overlies | Guadalupe Group |
| Thickness | up to 40 metres (130 ft) |
| Lithology | |
| Primary | Conglomerate |
| Location | |
| Coordinates | 4°21′40.3″N 74°07′50″W / 4.361194°N 74.13056°W |
| Region | Bogotá savanna, Altiplano Cundiboyacense Eastern Ranges, Andes |
| Country | Colombia |
| Type section | |
| Named for | Marichuela neighbourhood |
| Named by | Helmens & Hammen |
| Location | Usme, Bogotá |
| Year defined | 1995 |
| Coordinates | 4°21′40.3″N 74°07′50″W / 4.361194°N 74.13056°W |
| Region | Cundinamarca |
| Country | Colombia |
The Marichuela Formation (Spanish: Formación Marichuela, N1m) is a geological formation of the Bogotá savanna, Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists of coarse to very coarse conglomerates. The Marichuela Formation dates to the Neogene period; Late Miocene to Early Pliocene epochs, and has a maximum thickness of 40 metres (130 ft).