Eagle Creek Formation (OR*,WA*)
Tertiary
Miocene*
Not stated. Exposed on OR side, along Columbia River Gorge from Warrendale to Viento, with corresponding distribution on north side of river (Chaney, 1918).
Cascades province
Columbia basin
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).