Chambers Tuff Formation

Geology

Members: unnamed (13), upper (1)

Lithologies: unknown

Paleoenvironments: terrestrial indet. (14)

Age range: base of the Chadronian to the top of the Duchesnean or 37.20000 to 37.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Duchesnean39.7 - 37.0USA (Texas) (16820 16821 16827 16828 16829 16831 16832 16833 16834 16837 16851 16862 16863)
Chadronian37.2 - 33.9USA (Texas) (17030)