Petrified Forest Formation
Geology
Group: Chinle
Members: unnamed (2), Correo Sandstone (1), Mesa Montosa (1), Painted Desert (8)
Lithologies: not reported (3), siltstone (1), sandstone (8), conglomerate (1)
Paleoenvironments: terrestrial indet. (12)
Age range: Norian or 228.00000 to 208.50000 Ma