Usage:
Berg Creek Formation (AK*)
Geologic age:
Early Cretaceous (Hauterivian to Barremian)*
Type section, locality, area and/or origin of name:
Type section: from west of Berg Creek to 1.8 km south of Kuskulana Pass; exposures from SE/4 SW/4 sec. 34, T. 3 S., R. 9 E. southward to south part of SE/4 NW/4 sec. 3, T. 4 S., R. 9 E., McCarthy C-8 quadrangle (scale 1:63,360), Wrangell Mountains, AK (MacKevett and others, 1978).
AAPG geologic province:
Alaska Southern 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 ([ ]).