El Gallo Formation
| El Gallo Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Sub-units | El Disecado Member |
| Thickness | up to ca. 1,150 m (3,770 ft) (El Disecado Member) |
| Lithology | |
| Primary | Mudstone, sandstone |
| Other | Siltstone |
| Location | |
| Coordinates | 30°06′N 115°48′W / 30.1°N 115.8°W |
| Approximate paleocoordinates | 35°30′N 85°48′W / 35.5°N 85.8°W |
| Region | Baja California |
| Country | Mexico |
El Gallo Formation (Mexico) | |
The El Gallo Formation is a geological formation in Mexico whose strata date back to the Late Cretaceous, from the Santonian to the Maastrichtian. Dinosaur remains are among the fossils that have been recovered from the formation.