Usage:
No current usage.
(†Eagle Rock Tuff (ID) replaced with Walcott Tuff. See Walcott.)
Geologic age:
Pliocene
Type section, locality, area and/or origin of name:
Type locality: north bank of Snake River at American Falls, Power Co., southern ID. [Named from Eagle Rock which is near American Falls] (Stearns, 1936; Stearns and others, 1938).
AAPG geologic province:
Snake River 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 ([ ]).