Usage:
Saturday Mountain Formation (ID*)
Subunits:
Lost River Member*.
Geologic age:
Middle Ordovician to Early Silurian*
Type section, locality, area and/or origin of name:
Saturday Mountain Ridge, west of lower Squaw Creek, in T. 11 N., R. 17 E., Bayhorse quadrangle, Custer Co., ID. Named from Saturday Mountain Ridge (Ross, 1934).
AAPG geologic province:
Idaho 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).