Usage:
Lawton Clay Member of Vashon Drift (WA*)
Geologic age:
Quaternary
Pleistocene*
Type section, locality, area and/or origin of name:
Type section: sea-cliff exposures on southwest side of Fort Lawton, in sec. 16, T. 25 N., R. 3 E., city of Seattle, King Co., WA (Mullineaux and others, 1965).
AAPG geologic province:
Puget Sound 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 ([ ]).