Usage:
No current usage.
(†Hardscrabble Limestone (CO) abandoned in favor of Leadville Limestone. See Leadville.)
Geologic age:
Mississippian
Type section, locality, area and/or origin of name:
Type locality: southwest of Wetmore on South Hardscrabble Creek, about 0.5 mi west of North Creek bridge, in S/2 sec. 11, T. 22 S., R. 69 W., Custer Co., CO. Named from Hardscrabble Creek (Maher, 1950).
AAPG geologic province:
Las Vegas-Raton basin
Denver 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 ([ ]).