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National Geologic Map Database

Geologic Unit: Andrew Bay

Usage:

Andrew Bay Volcanics (AK*)


Geologic age:

Tertiary*


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

Type locality not stated. Makes up ridge rising steeply from water's edge on east shore of Andrew Bay, northern Adak Island, Aleutian Islands, southwestern AK (Coats, 1947).


AAPG geologic province:

Aleutian Islands province*
Alaska Southwestern 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).