Usage:
Marjum Formation (UT*)
Marjum Limestone (UT)
Geologic age:
Middle Cambrian*
Type section, locality, area and/or origin of name:
Type locality: cliffs on south side of Marjum Pass, House Range, [Millard Co.], western UT (Walcott, 1908).
Type locality (emended): on spur which forms west side of Rainbow Valley [now Marjum Canyon], House Range, [Notch Peak 7.5-min quadrangle, Millard Co.], western UT (Deiss, 1938).
AAPG geologic province:
Great Basin province*
South Western Overthrust*
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 ([ ]).