Usage:
Milliken Sandstone Member of Fox Hills Formation (CO*)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Not designated. Named from excellent exposures near Milliken Station west of LaSalle, Weld Co., CO (Henderson, 1920).
Type locality stated to be on north bank of Thompson Creek, near center sec. 6, T. 4 N., R. 66 W., Weld Co., CO (Mather and others, 1928).
AAPG geologic province:
Denver 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 ([ ]).