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National Geologic Map Database

Geologic Unit: Crescent

Usage:

Crescent Formation (WA*)


Geologic age:

Tertiary
Eocene, early(?)*
Eocene, middle*
Eocene, late(?)*


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

West end of Crescent Bay, on each shore of Strait of Juan de Fuca, Clallam Co., WA (Brown and others, 1960).


AAPG geologic province:

Olympic Mountains province*
Oregon-Washington Coast Ranges 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).