| La Joya Formation | |
|---|---|
| Stratigraphic range: Mid-Late Jurassic [1] ~ | |
| Type | Geologic formation |
| Underlies | Indidura Formation |
| Overlies | La Boca Formation, Huizachal Formation |
| Lithology | |
| Primary | Marine sediments |
| Location | |
| Region | Sierra Madre Oriental, Tamaulipas |
| Country | Mexico |
The La Joya Formation is a Jurassic period geologic formation in north central Mexico. [1] It is located in the Sierra Madre Oriental range, in southwestern Tamaulipas state. [2] [3]
It preserves fossils dating back to the Jurassic period. [4]