Marambio Group

Geology

Formations: unnamed (6), Santa Marta (1), López de Bertodano (17), Santa Marta (5), Snow Hill Island (8), Sobral (3)

Lithologies: not reported (2), "siliciclastic" (4), mudstone (17), siltstone (8), sandstone (25)

Paleoenvironments: marine indet. (16), terrestrial indet. (6), offshore shelf (6), marginal marine indet. (4), estuary/bay (2), transition zone/lower shoreface (3)

Age range: base of the Cenomanian to the top of the Danian or 100.50000 to 61.66000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9Antarctica (153426)
Late/Upper Santonian - Middle Campanian85.7 - 72.2Antarctica (39619)
Santonian - Campanian85.7 - 72.2Antarctica (63946 63950 169354 234579)
Santonian - Paleocene85.7 - 56.0Antarctica (Seymour Island) (34280)
Campanian83.6 - 72.2Antarctica (64206 153425)
Early/Lower Campanian83.6 - 72.2Antarctica (232779)
Late/Upper Campanian83.6 - 72.2Antarctica (James Ross Island) (123285 140271)
Late/Upper Campanian83.6 - 72.2Antarctica (47059 150182 232286 232778)
Campanian - Maastrichtian83.6 - 66.0Antarctica (153427 167466)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Antarctica (39620 115660 150622 150623 150624 150626 150627)
Early/Lower Maastrichtian72.2 - 66.0Antarctica (39609 234583 279372 279373 279377 279378 279379)
Late/Upper Maastrichtian72.2 - 66.0Antarctica (279376)
Maastrichtian72.2 - 66.0Antarctica (11304 153424)
Danian66.0 - 61.66Antarctica (11305)
Early/Lower Paleocene - Danian66.0 - 61.66Antarctica (Seymour Island) (167469)
Paleocene66.0 - 56.0Antarctica (Seymour Island) (34282 34284 34285)