Guettioua Formation
Geology
Members: unnamed (4)
Lithologies: claystone (1), siltstone (3), sandstone (3), marl (1)
Paleoenvironments: terrestrial indet. (1), marginal marine indet. (1), fluvial indet. (1), wet floodplain (1)
Age range: Bathonian or 168.20000 to 165.30000 Ma