Usage:
No current usage.
(†Oumalik Formation (AK*) is synonym of Torok Formation. See Torok.)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type section (subsurface): depth-interval 4,860 to 10,880 ft, Oumalik Test Well No.1, on Oumalik anticline, Lat. 69 deg. 50 min. 18 sec. N., Long. 155 deg. 59 min. 24 sec. W., northern AK (Robinson and others, 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 ([ ]).