Usage:
Glendo Shale Member of Goose Egg Formation (CO*,SD*,WY*)
Geologic age:
Middle Permian (early Guadalupian; Roadian)*
Type section, locality, area and/or origin of name:
Type locality: in Spring Creek Valley, 1 mi south and 2 mi west of Glendo, Platte Co., eastern WY (Condra and others, 1940).
AAPG geologic province:
Denver basin*
Green River basin*
Wind River basin
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 ([ ]).