Usage:
Eagle Creek Formation of Mankomen Group (AK*)
Geologic age:
Permian, Early*
Type section, locality, area and/or origin of name:
West side of Eagle Creek valley, in secs. 22, 23, 27, and 34, T. 15 N., R. 5 E., Mount Hayes A-1 quadrangle (1:63,360), south-central AK (Richter and Dutro, 1975).
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 ([ ]).