Colorado City Formation
Geology
Group: Dockum
Members: unnamed (11)
Lithologies: not reported (2), claystone (1), mudstone (6), siltstone (1), sandstone (2), conglomerate (1)
Paleoenvironments: terrestrial indet. (5), fluvial indet. (1), crevasse splay (4), fluvial-lacustrine indet. (1)