Usage:
/Pine Valley Gravel (CO*)
[Preoccupied. Name previously applied to Pine Valley Quartzite of Forrester (1937) and Pine Valley Latite of Cook (1957) in UT.]
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
In a roadcut in SW/4 NE/4 sec. 36, T. 12 S., R. 67 W. Named from Pine Valley, U.S. Air Force Academy site, El Paso Co., CO (Varnes and Scott, 1967).
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 ([ ]).