Usage:
China Butte Member of Fort Union Formation (CO*,WY*)
Geologic age:
Paleocene, early
Type section, locality, area and/or origin of name:
Type section: in area referred to locally as the "Cedars," located astride Dad arch near WY State Highway 789. Base of section 1,200 ft from west line and 1,000 ft from south line of sec. 3, T. 16 N., R. 92 W., Doty Mountain 7.5-min quadrangle, Carbon Co., southern WY; top lies on sec. line between secs. 4 and 9, and 1,950 ft from southeast corner of sec. 4, T. 16 N., R. 92 W., Duck Lake 7.5-min quadrangle, Carbon Co., southern WY. Named from China Butte in northeastern part of the Doty Mountain 7.5-min quadrangle (Honey and Hettinger, 2004).
AAPG geologic province:
Green 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 ([ ]).