Lamar Limestone Member of Bell Canyon Formation of Delaware Mountain Group (NM*,TX*)
Middle Permian (Guadalupian)*
Type locality: escarpment north of Lamar Canyon, where canyon is crossed by Western Gas pipeline, about 15 mi due east of Guadalupe Point [Peak?], Delaware basin, western TX. Named from Lamar Canyon, southeast of Guadalupe Mountains, in northwest Culberson Co., western TX (Lang, 1937).
Permian 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 ([ ]).