Usage:
Gem Park Complex (CO*)
Geologic age:
Middle Cambrian*
Type section, locality, area and/or origin of name:
Type area: Gem Park, about 21 mi southwest of Canon City and 11 mi northwest of Westcliffe, northern Wet Mountains, Fremont and Custer Cos., CO. Named from Gem Park (Parker and Sharp, 1970).
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 ([ ]).