Santa Marta Formation
Geology
Group: Marambio
Members: unnamed (36), Alfa (3), Beta (1), Gamma (1), Hamilton Point (19), Herbert Sound (2), Lachman Crags (12), Lachman Crags (1), Lachman Crags (Alpha) (1), Rabot (21)
Lithologies: not reported (3), "siliciclastic" (12), mudstone (37), "shale" (1), siltstone (19), sandstone (34), tuff (17)
Paleoenvironments: marine indet. (35), terrestrial indet. (1), offshore shelf (2), marginal marine indet. (1), coastal indet. (28), transition zone/lower shoreface (2), offshore (27), basinal (siliciclastic) (1)
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