Tongue River Member
Geology
Formation: Fort Union
Lithologies: not reported (12), "siliciclastic" (4), claystone (3), sandstone (1), coal (1)
Paleoenvironments: terrestrial indet. (15), fluvial indet. (4), wet floodplain (3)
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Danian | USA (North Dakota) | (14962) | |
Paleocene | USA (Montana) | (53690 53845 53953 53955) | |
Paleocene | USA (Wyoming) | (31006 31219 31220) | |
Torrejonian | USA (Montana) | (14876 176690 176691 176692 176693 176694) | |
Tiffanian | USA (North Dakota) | (14932 14946 14966 15006) | |
Tiffanian | USA (Montana) | (14937 15047 15048) | |
Clarkforkian | USA (Montana) | (137834) |