| San Juan Raya Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian ~ | |
| Type | Formation |
| Lithology | |
| Primary | Shale |
| Other | Mudstone, sandstone |
| Location | |
| Coordinates | 18°24′N97°42′W / 18.4°N 97.7°W |
| Approximate paleocoordinates | 16°54′N54°54′W / 16.9°N 54.9°W |
| Region | Puebla |
| Country | Mexico |
  San Juan Raya Formation (Mexico) | |
The San Juan Raya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Aptian stages of the Early Cretaceous period. [1]