Tuff Sandstone Member

Geology

Formation: Drewsey

Lithologies: not reported (3)

Paleoenvironments: terrestrial indet. (4)

Age range: Hemphillian or 10.30000 to 4.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Hemphillian10.3 - 4.9USA (Oregon) (18806 18807 18875 18999)