Usage:
Freezeout Shale Member of Goose Egg Formation (WY*)
Freezeout Member of Lykins Formation (CO*)
Geologic age:
Early Triassic (Scythian)*
Type section, locality, area and/or origin of name:
Type section: (restricted Freezeout) in NE/4 sec. 2, T. 24 N., R. 80 W., Carbon Co., WY (Maughan, 1964).
AAPG geologic province:
Denver basin
Green River basin*
Powder 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 ([ ]).