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 Campanian | Antarctica (James Ross Island) | (123285 140271) | |
Late/Upper Campanian | Antarctica | (47059 232286 232778) | |
Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | (39620 115660) | |
Maastrichtian | Antarctica | (150986) | |
Early/Lower Maastrichtian | Antarctica | (48458 75458 75459 140173 140272 141244 176012 208366 212634 221287 221288 232341 232780 232786) |