Denver Formation
Geology
Members: unnamed (373)
Lithologies: not reported (79), claystone (9), mudstone (167), "shale" (18), siltstone (1), sandstone (93), coal (1)
Paleoenvironments: terrestrial indet. (98), fluvial indet. (8), coarse channel fill (1), fine channel fill (1), "channel" (87), wet floodplain (3), "floodplain" (160), pond (17)
Age range: base of the Late/Upper Maastrichtian to the top of the Puercan or 70.60000 to 63.30000 Ma
Collections