Glencairn Formation
| Glencairn Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Unit of | Purgatoire Group |
| Underlies | Dakota Group |
| Overlies | Lytle Formation |
| Thickness | 10–145 feet (3.0–44.2 m) |
| Lithology | |
| Primary | Shale |
| Other | Sandstone |
| Location | |
| Coordinates | 38°31′01″N 104°58′19″W / 38.517°N 104.972°W |
| Region | Colorado New Mexico |
| Country | United States |
| Type section | |
| Named for | Small tract of land north of Lytle, Colorado (sec 2, T17S, R68W) |
| Named by | G.I. Finlay |
| Year defined | 1916 |
The Glencairn Formation is a geologic formation found in Colorado and New Mexico. It preserves fossils characteristic of the Albian Age of the Cretaceous Period.