Rock Point Formation
The Rock Point Formation is a geologic formation in New Mexico, Arizona, and Utah. It preserves fossils dating back to the late Triassic.
| Rock Point Formation | |
|---|---|
| Stratigraphic range: | |
Rock Point Formation capped by Entrada Formation, near Youngsville, New Mexico | |
| Type | Formation |
| Unit of | Chinle Group |
| Underlies | Wingate Sandstone |
| Overlies | Petrified Forest Formation |
| Thickness | 70 m |
| Lithology | |
| Primary | Siltstone |
| Other | Fine sandstone |
| Location | |
| Coordinates | 36.5247221°N 109.5560845°W |
| Region | Utah, Arizona, New Mexico |
| Country | United States |
| Type section | |
| Named for | Rock Point School, Apache County, Arizona |
| Named by | Harshbarger, J.W., Repenning, C.A., and Irwin, J.H., 1957 |
Rock Point Formation (the United States) Rock Point Formation (Arizona) | |
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