| San Juan Raya Formation | |
| Type: | Formation |
| Period: | Albian |
| Age: | Aptian-Albian ~ |
| Prilithology: | Shale |
| Otherlithology: | Mudstone, sandstone |
| Region: | Puebla |
| Coordinates: | 18.4°N -97.7°W |
| Paleocoordinates: | 16.9°N -54.9°W |
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]