Sonsela Member
Geology
Formation: Chinle
Lithologies: not reported (14), "siliciclastic" (1), mudstone (6), "shale" (1), siltstone (3), sandstone (4), conglomerate (1)
Paleoenvironments: terrestrial indet. (24), fluvial indet. (1), coarse channel fill (1), "floodplain" (1)
Age range: Norian or 228.00000 to 208.50000 Ma