Usage:
Middle Park Member of Coalmont Formation (CO*)
[?] Middle Park Formation (CO*)
Subunits:
[?] FORMATION STATUS: /Windy Gap Volcanic Member (CO*).
Geologic age:
Late Cretaceous(?) and Paleocene*
Type section, locality, area and/or origin of name:
Occurs in Middle Park, [Grand Co.], CO (Clark, 1891).
AAPG geologic province:
North Park 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 ([ ]).