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National Geologic Map Database

Geologic Unit: Admiralty Island

Usage:

Admiralty Island Volcanics (AK*)


Geologic age:

Oligocene*


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

Named from outcrops in southwestern part of Pybus-Gambier area of Admiralty Island, southeastern AK. Typically exposed west and north of Little Pybus Bay. Covers about 300 sq mi of southern Admiralty Island (Loney, 1964).


AAPG geologic province:

Alaska Southeastern 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 ([ ]).