Locke Member of Tiger Formation (WA)
Tertiary
Eocene, middle
through
Miocene, middle
Type section: exposures in a road cut along the Locke Cut-off Road, SE/4 NW/4 sec. 25, T. 34 N., R. 42 E., Pend Oreille Co., WA (Gager, 1983).
Northern Cascade Range-Okanagan province
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 ([ ]).