Usage:
Beirdneau Sandstone (UT*)
Beirdneau Formation (ID*,UT*)
Geologic age:
Late Devonian*
Type section, locality, area and/or origin of name:
Named from continuous exposure about base of Beirdneau Peak, Logan quadrangle, [Cache Co.], northern UT (Williams, 1948).
AAPG geologic province:
Snake River basin*
Wasatch uplift*
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 ([ ]).