Usage:
McKelligon Limestone of El Paso Group (NM*,TX*)
Subunits:
Pistol Range Member (NM,TX).
Geologic age:
Early Ordovician (Ibexian)*
Type section, locality, area and/or origin of name:
Named from McKelligon Canyon at southern end of Franklin Mountains, at northeast edge of El Paso. [McKelligon Canyon is in the El Paso 7.5-min quadrangle, El Paso Co., TX, from about Lat. 31 deg. 49 min. 16 sec. N., Long. 106 deg. 28 min. 05 sec. W., to Lat. 31 deg. 50 min. 37 sec. N., Long. 106 deg. 29 min. 25 sec. W.] (Flower, 1964).
AAPG geologic province:
Orogrande 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 ([ ]).