La Meseta Formation
Group: Seymour Island
Members: unnamed (57), 1-2 (1), 6-7 (6), Acantilados (2), Acantilados I (5), Acantilados II (2), Campamento (3), Campamento I (1), Campamentos II (1), Cucullaea I (9), Cucullaea II (3), Cucullea I (13), Submeseta (8), Submeseta II (1), Telm 1 (5), Telm 2 (11), Telm 3 (22), Telm 4 (18), TELM 4-5 (1), Telm 5 (45), Telm 6 (4), Telm 6-7 (1), Telm 7 (6), Telms 3-5 (1), Unit II (2), Valle de Las Focas (1)
Lithologies: not reported (25), "siliciclastic" (26), mudstone (18), "shale" (3), siltstone (18), sandstone (158), conglomerate (10), "mixed carbonate-siliciclastic" (1), marl (1)
Paleoenvironments: marine indet. (25), terrestrial indet. (2), open shallow subtidal (1), marginal marine indet. (2), coastal indet. (91), estuary/bay (28), lagoonal (19), paralic indet. (16), delta plain (3), delta front (12), prodelta (6), deltaic indet. (7), shoreface (5), transition zone/lower shoreface (11), fluvial indet. (1)