Usage:
Anvil Points Member of Green River Formation (CO*)
Subunits:
(alphabetical): Kimball Mountain Bed (CO), Long Point Bed (CO*), Piceance Creek Sandstone Tongue (CO).
Geologic age:
Tertiary*
Eocene, early*
Type section, locality, area and/or origin of name:
Type section: exposed between Rifle and De Beque Canyon, in secs. 12 and 13, T. 6 S., R. 95 W., Moffat Co., CO. Named from exposures at Anvil Points, in sec. 7, T. 6 S., R. 94 W. (Donnell, 1961).
AAPG geologic province:
Piceance basin*
Green River 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 ([ ]).