Usage:
Borrego Pass Lentil of Crevasse Canyon Formation (NM*-recognized locally in Gallup-Grants area)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Type section: measured in cliff approx. 4.2 mi southwest of Borrego Pass and about 1 mi east of county road from Prewitt to Borrego Pass Trading Post, in sec. 21, T. 15 N., R. 11 W., [approx. Lat. 35 deg. 31 min. 06 sec. N., Long. 108 deg. 00 min. 15 sec. W.], Casamero Lake 7.5-min quadrangle, McKinley Co., northwestern NM (Correa, 1970).
Named from Borrego Pass, in SW/4 sec. 27, T. 16 N., R. 11 W., [Borrego Pass 7.5-min quadrangle], McKinley Co., northwestern NM (Correa, 1970).
AAPG geologic province:
San Juan 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 ([ ]).