Tumbes Formation
Geology
Members: unnamed (3)
Lithologies: "siliciclastic" (2), "shale" (1), sandstone (1)
Paleoenvironments: marine indet. (3)
Age range: Late/Upper Miocene or 11.63000 to 5.33300 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Miocene | Peru | (66180 96489 131287) |