Drewsey Formation

Geology

Members: unnamed (1), Tuff Sandstone (4)

Lithologies: not reported (3)

Paleoenvironments: terrestrial indet. (4)

Age range: base of the Hemphillian to the top of the Late/Upper Miocene or 9.40000 to 5.33300 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.63 - 5.333USA (Oregon) (154947)
Hemphillian9.4 - 4.7USA (Oregon) (18806 18807 18875 18999)