White Tail Ridge Formation
Geology
Group: Umpqua
Members: unnamed (1), Berrry Creek (12)
Lithologies: not reported (1), sandstone (12)
Paleoenvironments: marine indet. (1), foreshore (1), shoreface (1), transition zone/lower shoreface (9), offshore (1)
Age range: Ypresian or 56.00000 to 48.07000 Ma