Usage:
No current usage.
(Rocks of †Ayiyak Member of Seabee Formation of †Colville Group (AK*) reallocated to Tuluvak Formation. See Tuluvak.)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Type section: along east fork of Tuluga River, Lat. 68 deg. 50 min. N., and between Long. 151 deg. 28 min. and 151 deg. 35 min. W., northern AK (Detterman, 1956).
AAPG geologic province:
Alaska Northern 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 ([ ]).