Rock Point Formation | |
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Stratigraphic range: | |
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°31′29″N 109°33′22″W / 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 |
The Rock Point Formation is a geologic formation in New Mexico, Arizona, and Utah. It preserves fossils dating back to the late Triassic.