Usage:
Joe Creek Member of Echooka Formation of Sadlerochit Group (AK*)
Geologic age:
Permian*
Type section, locality, area and/or origin of name:
Type section: south slope of mountain north of Joe Creek, 18.5 km N. 68 deg. W. from point where Joe Creek crosses Canadian boundary, Lat. 68 deg. 59 min. 30 sec. N., Long. 141 deg. 26 min. W., Table Mountain quadrangle, northeastern AK (Detterman and others, 1975).
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 ([ ]).