Santa Juana Formation
Geology
Members: unnamed (4), Talcamávida-Gomero (1)
Lithologies: mudstone (2), siltstone (4), sandstone (2)
Paleoenvironments: marine indet. (1), fluvial indet. (2), "floodplain" (1), lacustrine indet. (1)
Age range: Carnian or 237.00000 to 227.30000 Ma