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National Geologic Map Database

Geologic Unit: Long Point

Usage:

Long Point Bed of Garden Gulch Member of Green River Formation (CO*)
Long Point Bed of Douglas Creek Member of Green River Formation (CO*,UT*)
Long Point Bed of Anvil Points Member of Green River Formation (CO*)


Geologic age:

Tertiary*
Eocene*


Type section, locality, area and/or origin of name:

Type section: south side of Long Point, in NE/4 SW/4 sec. 18, T. 7 S., R. 97 W., Long Point quadrangle, Garfield Co., CO. Named from Long Point, Garfield Co., UT (Johnson, 1984).
Reference section: west end of Kimball Mountain, in SE/4 SE/4 sec. 7, T. 7 S., R. 98 W., Long Point quadrangle, Garfield Co., CO (Johnson, 1984).


AAPG geologic province:

Uinta basin*
Piceance 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 ([ ]).