Laredo Formation
Geologic formation in Mexico and the United States
From Wikipedia, the free encyclopedia
The Laredo Formation is a geologic formation and Lagerstätte[1] in Texas, United States, and Nuevo León and Tamaulipas, Mexico. It preserves fossils dating back to the Lutetian stage of the Eocene period.[2] Among many other fossils, the formation has provided invertebrates, vertebrates, leaves, pollen and spores and fossil wood of the brackish water palm Nypa sp.[1]
| Laredo Formation | |
|---|---|
| Stratigraphic range: Lutetian (Uintan) ~ | |
| |
| Type | Formation |
| Unit of | Claiborne Group |
| Lithology | |
| Primary | Sandstone |
| Other | Shale, limestone |
| Location | |
| Coordinates | 26.4°N 99.2°W |
| Approximate paleocoordinates | 28.4°N 89.6°W |
| Region | Texas Nuevo León, Tamaulipas |
| Country | United States, Mexico |
  Laredo Formation (Mexico) | |
