| Watahomigi Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
 Aerial view northwest toward south side of Alsap Butte, upper Nankoweap Canyon. Gray Esplanade Sandstone cliff, overlying red slope of Wescogame Formation, overlying white Manakacha Formation, overlying red ledges of Watahomigi Formation, overlying large gray cliff of Redwall Limestone | |
| Type | Geologic formation |
| Unit of | Supai Group |
| Underlies | Manakacha Formation |
| Overlies | Surprise Canyon Formation |
| Location | |
| Region |  Arizona |
| Country |  United States |
| Extent | Grand Canyon |
| Type section | |
| Named for | Watahomigi Point |
| Named by | E.H. McKee |
| Year defined | 1975 |
The Watahomigi Formation is a geologic formation in the Grand Canyon region of Arizona. It preserves fossils dating back to the Carboniferous period.[1]
- ^ "Geolex — Watahomigi publications". ngmdb.usgs.gov. Retrieved 2023-09-12.