Snow Hill Island Formation

Geology

Group: Marambio

Members: unnamed (3), Cape Lamb (14), Gamma (2), Herbert Sound (3)

Lithologies: not reported (2), "siliciclastic" (2), mudstone (8), "shale" (1), sandstone (12)

Paleoenvironments: marine indet. (11), marginal marine indet. (7), shoreface (1), offshore (2), deep-water indet. (1)

Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Antarctica (James Ross Island) (123285 140271)
Late/Upper Campanian83.5 - 70.6Antarctica (47059 232286 232778)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Antarctica (39620 115660)
Maastrichtian72.1 - 66.0Antarctica (150986)
Early/Lower Maastrichtian70.6 - 66.0Antarctica (48458 75458 75459 140173 140272 141244 176012 208366 212634 221287 221288 232341 232780 232786)