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National Geologic Map Database

Geologic Unit: Padden

Usage:

Padden Member of Chuckanut Formation (WA)


Geologic age:

Tertiary
Eocene, middle to Eocene, late


Type section, locality, area and/or origin of name:

Type section (composite): along Bellingham Bay, on the south and north limbs of the Chuckanut syncline, in sec. 25 and W/2 sec. 13, T. 37 N., R. 2 E., Whatcom Co., WA. Named from Lake Padden (Johnson, 1984).


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 ([ ]).