Urumaco Formation
Geology
Members: unnamed (11), Inferior (1), Lower (3), Medio (8), Middle (11), Superior (12), Upper (28)
Lithologies: not reported (9), "siliciclastic" (6), claystone (8), mudstone (13), "shale" (27), siltstone (5), sandstone (39), "limestone" (1)
Paleoenvironments: marine indet. (8), terrestrial indet. (20), coastal indet. (4), estuary/bay (2), lagoonal (1), delta plain (9), delta front (1), prodelta (1), deltaic indet. (2), "channel" (1), "floodplain" (13), fluvial-deltaic indet. (12)
Age range: Tortonian or 11.62000 to 7.24600 Ma
Collections