Group: Clear Fork

Members: unnamed (16)

Lithologies: not reported (13), "siliciclastic" (1), claystone (12), mudstone (22), "shale" (4), siltstone (4), sandstone (18), conglomerate (1), lime mudstone (1), wackestone (1), rudstone (1), "limestone" (5)

Paleoenvironments: terrestrial indet. (28), carbonate indet. (1), shallow subtidal indet. (1), marginal marine indet. (1), coastal indet. (1), prodelta (20), offshore (3), fluvial indet. (2), "channel" (1), wet floodplain (1), "floodplain" (2), crevasse splay (1), fluvial-lacustrine indet. (1), lacustrine indet. (2)