Usage:
Torok Formation (AK*)
Geologic age:
Early to early Late Cretaceous (Aptian to Cenomanian)*
Type section, locality, area and/or origin of name:
Type section: approx. 6,000 ft-thick section along Torok Creek and Chandler River [between approx. Lat. 68 deg. 40 min. and 68 deg. 44 min. 30 sec. N., in northwestern Chandler Lake C-4 quadrangle, scale 1:63,360, Alaska-North Slope Borough], northern AK; lower part along Torok Creek, in secs. 2, 3, 4, and 9, T. 9 S., R. 2 W., and continues up-section along Chandler River, in secs. 1 and 2, T. 9 S., R. 2 W., and in secs. 23, 25, and 36, T. 8 S., R. 2 W. (Patton, 1956; Mull and others, 2003).
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 ([ ]).