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National Geologic Map Database

Geologic Unit: Yakutat

Usage:

Yakutat Group (AK*)


Geologic age:

Late(?) Jurassic and Cretaceous*


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

Exposed about Yakutat Bay and westward along foot of St. Elias Mountain to Icy Bay. Also forms major part of coastal mountains between Disenchantment Bay and Dry Bay (Russell, 1891).


AAPG geologic province:

Alaska Southern region*


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 ([ ]).