Alkali Canyon Formation

Geology

Members: unnamed (9)

Lithologies: siltstone (6), sandstone (8), tuff (3)

Paleoenvironments: terrestrial indet. (9)

Age range: Hemphillian or 9.40000 to 4.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Hemphillian9.4 - 4.7USA (Oregon) (18939 18940 19116 237928 237929 237930 237940 237941 237942)