Usage:
No current usage.
(†Beulah Limestone (CO*) replaced with Leadville Limestone. See Leadville.)
Geologic age:
Mississippian*
Type section, locality, area and/or origin of name:
[Named from exposures at Beulah, in sec. 5, T. 23 S., R. 68 W., Pueblo Co., eastern CO, east side of Front Range (Brainerd and others, 1930).]
Type section: limestone beds capping cliffs along Middle Creek near Beulah, Pueblo Co., CO. Named from section measured at Beulah, in NW/4 and NE/4 sec. 4, T. 23 S., R. 68 E., Pueblo Co., CO (Maher, 1950).
AAPG geologic province:
Denver basin*
Las Vegas-Raton 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 ([ ]).