| Lowell Formation | |
| Type: | Formation |
| Age: | Aptian ~ |
| Period: | Aptian |
| Region: | Arizona |
| Subunits: | Cholla, Joserita, Pacheta, Quajote & Saavedra members |
The Lowell Formation is a geologic formation in Arizona. It preserves fossils dating back to the Cretaceous period.