Usage:
Krugloi Formation (AK*)
Geologic age:
Tertiary
Eocene, middle*
or
Eocene, late*
Type section, locality, area and/or origin of name:
Named from mountain peaks from Krugloi Point west to Peak I, northeast Agattu Island, Near Islands, western Aleutian Islands, southwestern AK (Gates and others, 1971).
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).