Snow Hill Island Formation

Geology

Group: Marambio

Members: unnamed (2), Gamma (2), Herbert Sound (3), Karlsen Cliffs (1)

Lithologies: mudstone (3), sandstone (8)

Paleoenvironments: marine indet. (3), marginal marine indet. (4), transition zone/lower shoreface (1)

Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2Antarctica (47059 232286 232778)
Late/Upper Campanian83.6 - 72.2Antarctica (James Ross Island) (123285 140271)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Antarctica (39620 115660)
Early/Lower Maastrichtian72.2 - 66.0Antarctica (234583)