Hall Lake Formation
The Hall Lake Formation, formerly called the Hall Lake Member, is a geological formation in Sierra County, New Mexico preserving Lancian fauna, most notably dinosaurs. It is regarded as a member of the McRae Group, including the Elephant Butte and Staton-LaPoint locales.
| Hall Lake Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous, Campanian–Maastrichtian ~ | |
| Type | Geological formation |
| Unit of | McRae Group |
| Underlies | Jose Creek Member |
| Overlies | "Quaternary-Tertiary basalt flows and alluvium" |
| Lithology | |
| Primary | Mudstone, "shale", sandstone |
| Location | |
| Coordinates | 33.2°N 107.1°W |
| Approximate paleocoordinates | 40.5°N 81.1°W |
| Region | New Mexico |
| Country | United States |
Hall Lake Formation (the United States) Hall Lake Formation (New Mexico) | |
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