Cooper Canyon Formation
Geology
Group: Dockum
Members: unnamed (12), 12-13 (2)
Lithologies: not reported (2), "siliciclastic" (1), claystone (2), mudstone (2), siltstone (4), sandstone (9), conglomerate (1)
Paleoenvironments: terrestrial indet. (8), fluvial indet. (3), "channel" (1), "floodplain" (1), lacustrine - small (1)
Age range: Norian or 228.00000 to 208.50000 Ma