Belly River Group
Geology
Formations: unnamed (56), Allison (1), Dinosaur Park (353), Dinosaur Park? (1), Foremost (45), Horseshoe Canyon (1), Oldman (130), Ribstone Creek (1)
Lithologies: not reported (315), claystone (11), mudstone (44), "shale" (6), siltstone (18), sandstone (191), "carbonate" (1), amber (13)
Paleoenvironments: marine indet. (6), terrestrial indet. (369), marginal marine indet. (1), estuary/bay (19), shoreface (3), transition zone/lower shoreface (5), fluvial indet. (1), channel lag (50), coarse channel fill (7), fine channel fill (10), "channel" (74), "floodplain" (1), crevasse splay (31)
Age range: base of the Judithian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections