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]