Deer Peak Volcanics (CO*)
Oligocene*
Type section: near head of Froze Creek drainage, in secs. 22 and 27, T. 23 S., R. 70 W., Custer Co., south-central CO. Named from rocks on flanks of Deer Peak, southern Wet Mountains, Custer Co., south-central CO (Scott and Taylor, 1975).
Reference section: in sec. 4, T. 23 S., R. 70 W., Custer Co., south-central CO (Scott and Taylor, 1975).
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 ([ ]).