Usage:
Bull Canyon Formation of Chinle Group (NM-notably Lamy area)
Geologic age:
Triassic, Late
Norian
Type section, locality, area and/or origin of name:
Type section: near mouth of Bull Canyon, in sec. 10, T. 9 N., R. 20 E., Guadalupe Co., NM (Lucas and Hunt, 1989).
AAPG geologic province:
Palo Duro basin
Las Vegas-Raton 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 ([ ]).