Kootenai Formation
Geology
Members: unnamed (24)
Lithologies: not reported (1), "siliciclastic" (1), "shale" (20), siltstone (1), sandstone (16), coal (1)
Paleoenvironments: terrestrial indet. (3), mire/swamp (1), lacustrine indet. (20)
Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Cretaceous | USA (Montana) | (32518) | |
Aptian | USA (Montana) | (35546 35547 152619) | |
Aptian - Albian | USA (Montana) | (85072 142754) | |
Late/Upper Aptian | USA (Montana) | (21153 21126 21130 21133 21136 21138 21139 21140 21151 21152 21154 21155 21158 21159 21160 21161 21162 21164) |