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

Time interval Ma Country or state Original ID and collection number
Middle Miocene15.97 - 11.608Venezuela (Falcon) (152543)
Middle Miocene - Late/Upper Miocene15.97 - 5.333Venezuela (Falcón) (211915)
Laventan13.8 - 11.0Venezuela (Falcon) (146407)
Tortonian11.62 - 7.246Venezuela (Falcon) (81491 136777)
Tortonian11.62 - 7.246Venezuela (Falcón) (196742)
Late/Upper Miocene11.608 - 5.333Venezuela (Falcon) (60803 61032 61040 135500 136767 136776 147465 136778 143319 143321 143516 147467 143517 143518 146290 146416 146421 146422 146423 146426 146424 146425 146427 146428 146429 146430 146431 146432 146433 146446 146447 146448 146449 146450 146451 146452 147462 147463 147464 155754 155789 155790 182999 183008 183010 198252 228732 228733)
Late/Upper Miocene11.608 - 5.333Venezuela (Falcón) (63520 99403 136769 144595 144849 174730 183009 198253 207049 219762)
Late/Upper Miocene11.608 - 5.333Venezuela (92751 96488 181308)
Late/Upper Miocene11.608 - 5.333Venezuela ( Falcón) (136218)
Huayquerian8.0 - 5.0Venezuela (Falcón) (99401 99402 99404)
Huayquerian8.0 - 5.0Venezuela (Falcon) (145365 203983 203984)