Usage:
Osha Canyon Formation (NM)
Geologic age:
Early Pennsylvanian (Morrowan)
Type section, locality, area and/or origin of name:
Type section: along top of ridge on east side of Guadalupe Box, Lat. 35 deg. 44 min. 00 sec. N., Long. 106 deg. 45 min. 45 sec. W., just east of State Road 485, 1.2 mi north of village of Gilman, Sandoval Co., NM (DuChene and others, 1977).
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 ([ ]).