Eureka Sound Formation, Group

Geology

Formations: unnamed (2), Buchanan Lake (1), Margaret (4)

Members: unnamed (5), 4 (1), Cyclic (14)

Lithologies: not reported (20), sandstone (3)

Paleoenvironments: marine indet. (16), terrestrial indet. (5), deltaic indet. (2), fluvial indet. (2), "floodplain" (1)

Age range: base of the Maastrichtian to the top of the Uintan or 72.10000 to 39.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Campanian - Maastrichtian83.6 - 66.0Canada (Nunavut) (32603)
Maastrichtian72.1 - 66.0Canada (Nunavut) (32600 32601 32602)
Paleocene66.0 - 56.0Canada (Northwest Territories) (21373)
Wasatchian55.8 - 50.3Canada (Northwest Territories) (15583 15840)
Wasatchian55.8 - 50.3Canada (Nunavut) (68720 163833 185212 185213)
Wasatchian - Bridgerian55.8 - 46.2Canada (Northwest Territories) (15584)
Early/Lower Eocene - Middle Eocene55.8 - 37.71Canada (Northwest Territories) (193063 193064 193065 193066 193067 193068 193069 193070 193071 193072 193073 193074)
Early/Lower Eocene - Middle Eocene55.8 - 37.71Canada (Northwest Territory) (190389 190390)
Uintan46.2 - 39.7Canada (Nunavut) (139662)