Usage:
Gartra Member of Chinle Formation (CO*,UT*)
Gartra Grit Member of Ankareh Formation (UT*)
Geologic age:
Triassic*, Late*
Type section, locality, area and/or origin of name:
Type section: in sec. 7, T. 3 S., R. 22 E. Named from Gartra Spring, Uintah Co., UT (Thomas and Krueger, 1946).
AAPG geologic province:
Uinta basin*
Wasatch uplift*
Uinta uplift*
Green River basin*
Eagle 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 ([ ]).