| Schnebly Hill Formation | |
| Period: | Cisuralian |
| Age: | [1] |
| Prilithology: | Sandstone |
| Thickness: | 800feet to 1000feet |
| Region: | Colorado Plateau |
| Country: | United States |
| Namedfor: | Sedona Schnebly |
| Thickness Ts: | 800feet to 1000feet |
The Schnebly Hill Formation is a section of red bed deposits found at the Colorado Plateau, near Sedona, Arizona. It is a dark red sandstone, from 800feet to 1000feet thick. It lies between Coconino Sandstone and the older Hermit Formation.[2] It is near the Supai Group.[3]
The source of the name "Schnebly" is Sedona Schnebly, after whom the city of Sedona, Arizona, was named.[4]
The formation traces to the Permian Age.[5] [6]
The formation is the most prominent layer of the red rocks of the Sedona area due the presence of hematite - iron-oxide, frankly, rust - giving the sandstone a red color. The Schnebly Hill Sandstone formation comprises three sections: