Usage:
Baird Shale (CA*)
Baird Formation (CA*)
Subunits:
Hirz Mountain Limestone Member (CA).
Geologic age:
Late Mississippian to Early Pennsylvanian; possibly extends into Permian*
Type section, locality, area and/or origin of name:
Notable exposures on west side of [McCloud River] just above Baird Post Office, [Shasta Co., CA] (Fairbanks, 1894).
Named from exposures near now submerged Baird fish hatchery on McCloud River near confluence with Pit River [Lat. 40 deg. 47 min. N., Long. 122 deg. 19 min. W., Lamoine 15-min quadrangle], Shasta Co., CA (Albers and Robertson, 1961).
AAPG geologic province:
Klamath Mountains 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 ([ ]).