Chilcatay Formation

Geology

Members: unnamed (35)

Lithologies: not reported (3), "siliciclastic" (1), mudstone (1), siltstone (6), sandstone (27)

Paleoenvironments: marine indet. (6), coastal indet. (26), shoreface (1), offshore (2)

Age range: base of the Late/Upper Eocene to the top of the Burdigalian or 37.20000 to 15.97000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.2 - 33.9Peru (41614)
Late/Upper Oligocene28.4 - 23.03Peru (80454 80467 80468 89187 89188)
Late/Upper Oligocene - Langhian28.4 - 13.82Peru (Ica) (100330)
Aquitanian23.03 - 20.44Peru (Ica) (45484)
Aquitanian - Burdigalian23.03 - 15.97Peru (197512)
Early/Lower Miocene23.03 - 15.97Peru (76635 80412 80449 80450 80451 80452 80453 80463 80464 80465 80478 80482 80483 80504 80505 80523 80540 80548 80549 113249 113250 113251 124919)
Burdigalian20.44 - 15.97Peru (167732 188749 192828)