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National Geologic Map Database

Geologic Unit: Bull Canyon

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).