Usage:
Steamboat Pass Shale Member of Orr Formation (UT*)
Geologic age:
Late Cambrian*
Type section, locality, area and/or origin of name:
Type locality: exposures on north side of Steamboat Pass, in sec. 19, T. 23 S., R. 13 W., The Barn 15-min quadrangle, Millard Co., UT (Hintze and Palmer, 1976).
Reference section: near Lawson Cove Reservoir, in sec. 24, T. 24 S., R. 14 W., northern Wah Wah Mountains (Hintze and Palmer, 1976).
AAPG geologic province:
Great Basin 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 ([ ]).