Usage:
Beaver Bay Group (AK)
Subunits:
Belkofski Formation (Cold Bay area), and Stepovak and Tolstoi Formations (Port Moller-Unga and Mount Veniaminof areas).
Geologic age:
Tertiary
Paleocene
Eocene
Oligocene
Type section, locality, area and/or origin of name:
Type locality: Port Moller-Unga Island area, Alaska Peninsula, southwestern AK. Named from exposures along west and north shores of Beaver Bay and in mountains bordering lower part of Beaver River (Burk, 1965).
AAPG geologic province:
Alaska Peninsula 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).