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National Geologic Map Database

NGMDB

Geologic Unit: Wyoming

Usage:

No current usage.
(†Wyoming Formation or †Wyoming Group (CO) abandoned. Replaced with Lykins Formation, Lyons Sandstone, Ingleside Formation, and Fountain Formation. See Lykins, Lyons, Ingleside, and Fountain.)


Geologic age:

Pennsylvanian to Triassic


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

Named for widespread development in Wyoming, but application of name in literature has been restricted to eastern CO .


AAPG geologic province:

Denver basin
Eagle basin


NGMDB

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).

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