Yamhill Formation
Geology
Members: unnamed (1), Rickreall Limestone (1)
Lithologies: "shale" (1), "limestone" (1)
Paleoenvironments: marine indet. (1), carbonate indet. (1)
Age range: Lutetian or 48.07000 to 41.03000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian - Lutetian | USA (Oregon) | (200872) | |
| Lutetian | USA (Oregon) | (135995) |