| Las Sierras Formation | |
|---|---|
| Stratigraphic range: Pleistocene | |
| Type | Formation |
| Lithology | |
| Primary | Volcaniclastic |
| Location | |
| Coordinates | 12°18′N86°00′W / 12.3°N 86.0°W |
| Approximate paleocoordinates | 12°18′N85°54′W / 12.3°N 85.9°W |
| Region | Managua Department |
| Country | Nicaragua |
The Las Sierras Formation is a geologic formation in Nicaragua. It preserves fossils dating back to the Pleistocene period. [1]