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National Geologic Map Database

Geologic Unit: Virgin

Usage:

Virgin Limestone Member of Moenkopi Formation (AZ*,NV*,UT*)
Virgin Formation (AZ,NV,UT)


Geologic age:

Early Triassic*


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

Named from Virgin City [now Virgin], Washington Co., southwestern UT, where it is well exposed (Bassler and Reeside, 1921).


AAPG geologic province:

Great Basin province*
Plateau sedimentary province*


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 ([ ]).