It may originate from the Late Triassic but is at least as young as the Early Jurassic stages Pliensbachian and Toarcian .
The age of the Navajo Sandstone is somewhat controversial .
Navajo Sandstone may originate from the Late Triassic but is at least as young as the Early Jurassic stages Pliensbachian and Toarcian .
The age of the Navajo Sandstone is somewhat controversial .