Cintura Formation
| Cintura Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Bisbee Group |
| Sub-units | Marquechi, San Marcos and San Juan Member |
| Thickness | 1,146 meters |
| Location | |
| Region | Arizona and Sonora |
| Country | United States, Mexico |
| Type section | |
| Named by | Ransome |
| Year defined | 1904 |
The Cintura Formation is a geologic formation in the northeastern Sonora of Arizona and Mexico. It preserves fossils dating back to the Cretaceous period.