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National Geologic Map Database

Geologic Unit: Deer Peak

Usage:

Deer Peak Volcanics (CO*)


Geologic age:

Oligocene*


Type section, locality, area and/or origin of name:

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).


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 ([ ]).