Usage:
Devils Hole Formation (CO*)
Geologic age:
Tertiary*
Oligocene*
Type section, locality, area and/or origin of name:
Not designated. Named from exposures in Devil's Hole, Huerfano Park, Huerfano Co., CO (Johnson and Wood, 1956).
Reference locality designated along road from Gardner to Ophir Creek, in T. 24 S., R. 70 W., Huerfano Co., CO (Scott and Taylor, 1975).
AAPG geologic province:
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 ([ ]).